Estimated zip code population in 2022: 8,870 Zip code population in 2010: 8,470 Zip code population in 2000: 7,916
Houses and condos: 3,988 Renter-occupied apartments: 1,524
% of renters here:
40%
State:
44%
March 2022 cost of living index in zip code 94931: 114.8 (more than average, U.S. average is 100)
Land area: 6.4 sq. mi. Water area: 0.0 sq. mi.
Population density: 1,396 people per square mile
(low).
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Real estate property taxes paid for housing units in 2022:
This zip code:
0.6% ($4,970)
California:
0.7% ($4,831)
Median real estate property taxes paid for housing units with mortgages in 2022: $5,074 (0.7%) Median real estate property taxes paid for housing units with no mortgage in 2022: $4,927 (0.6%)
Estimated median house/condo value in 2022: $782,245
94931:
$782,245
California:
$715,900
According to our research of California and other state lists, there were 6 registered sex offenders living in 94931 zip code as of May 28, 2024. The ratio of all residents to sex offenders in zip code 94931 is 1,426 to 1. The ratio of registered sex offenders to all residents in this zip code is lower than the state average.
Median resident age:
This zip code:
40.7 years
California median age:
37.9 years
Average household size:
This zip code:
2.3 people
California:
2.8 people
Averages for the 2020 tax year for zip code 94931, filed in 2021:
Average Adjusted Gross Income (AGI) in 2020: $81,660 (Individual Income Tax Returns)
Here:
$81,660
State:
$95,910
Salary/wage: $68,735 (reported on 79.5% of returns)
Here:
$68,735
State:
$77,331
(% of AGI for various income ranges: 1189.9% for AGIs below $25k, 4186.1% for AGIs $25k-50k, 7358.9% for AGIs $50k-75k, 10852.9% for AGIs $75k-100k, 21100.5% for AGIs $100k-200k, 74463.3% for AGIs over 200k)
Taxable interest for individuals: $1,248 (reported on 41.8% of returns)
This zip code:
$1,248
California:
$2,294
(% of AGI for various income ranges: 30.3% for AGIs below $25k, 37.7% for AGIs $25k-50k, 56.4% for AGIs $50k-75k, 93.9% for AGIs $75k-100k, 160.0% for AGIs $100k-200k, 900.0% for AGIs over 200k)
Ordinary dividends: $4,195 (reported on 22.3% of returns)
Here:
$4,195
State:
$10,949
(% of AGI for various income ranges: 51.8% for AGIs below $25k, 74.8% for AGIs $25k-50k, 116.0% for AGIs $50k-75k, 146.8% for AGIs $75k-100k, 355.1% for AGIs $100k-200k, 1231.1% for AGIs over 200k)
Net capital gain/loss in AGI: +$17,510 (reported on 21.7% of returns)
Here:
+$17,510
State:
+$49,306
(% of AGI for various income ranges: 21.6% for AGIs below $25k, 42.6% for AGIs $25k-50k, 121.5% for AGIs $50k-75k, 259.7% for AGIs $75k-100k, 705.3% for AGIs $100k-200k, 15477.8% for AGIs over 200k)
Profit/loss from business: +$17,659 (reported on 18.3% of returns)
Here:
+$17,659
State:
+$15,671
(% of AGI for various income ranges: 208.5% for AGIs below $25k, 329.0% for AGIs $25k-50k, 282.4% for AGIs $50k-75k, 503.5% for AGIs $75k-100k, 1220.7% for AGIs $100k-200k, 4173.3% for AGIs over 200k)
Taxable individual retirement arrangement distribution: $19,169 (reported on 8.4% of returns)
94931:
$19,169
California:
$23,505
(% of AGI for various income ranges: 43.2% for AGIs below $25k, 111.7% for AGIs $25k-50k, 212.7% for AGIs $50k-75k, 301.3% for AGIs $75k-100k, 610.9% for AGIs $100k-200k, 2406.7% for AGIs over 200k)
Self-employed (Keogh) retirement plans: $18,400 (reported on 1.0% of returns)
94931:
$18,400
California:
$30,163
(% of AGI for various income ranges: 214.0% for AGIs $100k-200k)
Total itemized deductions: $30,204 (reported on 17.1% of returns)
Here:
$30,204
State:
$39,517
(% of AGI for various income ranges: 154.3% for AGIs below $25k, 307.3% for AGIs $25k-50k, 552.2% for AGIs $50k-75k, 929.4% for AGIs $75k-100k, 2097.4% for AGIs $100k-200k, 8134.4% for AGIs over 200k)
Charity contributions: $4,322 (reported on 11.6% of returns)
Here:
$4,322
State:
$12,598
(% of AGI for various income ranges: 4.0% for AGIs below $25k, 11.9% for AGIs $25k-50k, 26.5% for AGIs $50k-75k, 70.0% for AGIs $75k-100k, 147.7% for AGIs $100k-200k, 1544.4% for AGIs over 200k)
Taxes paid: $8,528 (reported on 17.1% of returns)
94931:
$8,528
State:
$8,807
(% of AGI for various income ranges: 33.1% for AGIs below $25k, 73.1% for AGIs $25k-50k, 158.7% for AGIs $50k-75k, 318.7% for AGIs $75k-100k, 701.4% for AGIs $100k-200k, 1760.0% for AGIs over 200k)
Earned income credit: $1,858 (reported on 7.6% of returns)
Here:
$1,858
State:
$2,074
(% of AGI for various income ranges: 62.2% for AGIs below $25k, 36.8% for AGIs $25k-50k)
Percentage of individuals using paid preparers for their 2020 taxes: 91.4%
Here:
91%
State:
92%
(% for various income ranges: 88.0% for AGIs below $25k, 91.6% for AGIs $25k-50k, 90.8% for AGIs $50k-75k, 94.2% for AGIs $75k-100k, 93.3% for AGIs $100k-200k, 93.9% for AGIs over 200k)
Averages for the 2012 tax year for zip code 94931, filed in 2013:
Average Adjusted Gross Income (AGI) in 2012: $56,566 (Individual Income Tax Returns)
Here:
$56,566
State:
$72,726
Salary/wage: $51,121 (reported on 81.9% of returns)
Here:
$51,121
State:
$59,079
(% of AGI for various income ranges: 68.2% for AGIs below $25k, 77.8% for AGIs $25k-50k, 77.6% for AGIs $50k-75k, 75.2% for AGIs $75k-100k, 75.4% for AGIs $100k-200k, 63.6% for AGIs over 200k)
Taxable interest for individuals: $1,086 (reported on 40.0% of returns)
This zip code:
$1,086
California:
$2,146
(% of AGI for various income ranges: 1.6% for AGIs below $25k, 0.7% for AGIs $25k-50k, 0.6% for AGIs $50k-75k, 0.7% for AGIs $75k-100k, 0.9% for AGIs $100k-200k, 0.3% for AGIs over 200k)
Ordinary dividends: $3,448 (reported on 21.3% of returns)
Here:
$3,448
State:
$9,308
(% of AGI for various income ranges: 2.6% for AGIs below $25k, 1.2% for AGIs $25k-50k, 1.1% for AGIs $50k-75k, 1.0% for AGIs $75k-100k, 1.1% for AGIs $100k-200k, 1.6% for AGIs over 200k)
Net capital gain/loss in AGI: +$2,814 (reported on 17.4% of returns)
Here:
+$2,814
State:
+$30,460
(% of AGI for various income ranges: 0.3% for AGIs $50k-75k, 1.4% for AGIs $100k-200k, 3.3% for AGIs over 200k)
Profit/loss from business: +$15,094 (reported on 20.1% of returns)
Here:
+$15,094
State:
+$17,064
(% of AGI for various income ranges: 10.5% for AGIs below $25k, 5.5% for AGIs $25k-50k, 4.2% for AGIs $50k-75k, 5.3% for AGIs $75k-100k, 5.0% for AGIs $100k-200k, 4.9% for AGIs over 200k)
Taxable individual retirement arrangement distribution: $12,640 (reported on 9.5% of returns)
94931:
$12,640
California:
$19,557
(% of AGI for various income ranges: 3.2% for AGIs below $25k, 1.8% for AGIs $25k-50k, 2.2% for AGIs $50k-75k, 1.8% for AGIs $75k-100k, 2.9% for AGIs $100k-200k)
Self-employment retirement plans: $12,140 (reported on 1.1% of returns)
94931:
$12,140
California:
$24,530
Total itemized deductions: $24,084 (25% of AGI, reported on 37.8% of returns)
Here:
$24,084
State:
$34,004
Here:
24.9% of AGI
State:
22.7% of AGI
(% of AGI for various income ranges: 13.0% for AGIs below $25k, 10.2% for AGIs $25k-50k, 14.8% for AGIs $50k-75k, 18.0% for AGIs $75k-100k, 19.0% for AGIs $100k-200k, 17.1% for AGIs over 200k)
Charity contributions: $2,062 (reported on 30.1% of returns)
Here:
$2,062
State:
$4,659
(% of AGI for various income ranges: 0.6% for AGIs below $25k, 0.7% for AGIs $25k-50k, 1.0% for AGIs $50k-75k, 1.2% for AGIs $75k-100k, 1.5% for AGIs $100k-200k, 1.0% for AGIs over 200k)
Taxes paid: $8,816 (reported on 37.6% of returns)
94931:
$8,816
State:
$14,448
(% of AGI for various income ranges: 2.7% for AGIs below $25k, 2.3% for AGIs $25k-50k, 4.5% for AGIs $50k-75k, 6.6% for AGIs $75k-100k, 7.6% for AGIs $100k-200k, 8.7% for AGIs over 200k)
Earned income credit: $1,652 (reported on 12.2% of returns)
Here:
$1,652
State:
$2,286
(% of AGI for various income ranges: 3.4% for AGIs below $25k, 0.6% for AGIs $25k-50k)
Percentage of individuals using paid preparers for their 2012 taxes: 51.8%
Here:
52%
State:
64%
(% for various income ranges: 43.9% for AGIs below $25k, 48.5% for AGIs $25k-50k, 54.1% for AGIs $50k-75k, 59.5% for AGIs $75k-100k, 65.0% for AGIs $100k-200k, 80.0% for AGIs over 200k)
Averages for the 2004 tax year for zip code 94931, filed in 2005:
Average Adjusted Gross Income (AGI) in 2004: $50,066 (Individual Income Tax Returns)
Here:
$50,066
State:
$58,600
Salary/wage: $45,954 (reported on 83.5% of returns)
Here:
$45,954
State:
$49,455
(% of AGI for various income ranges: 134.7% for AGIs below $10k, 74.1% for AGIs $10k-25k, 82.0% for AGIs $25k-50k, 81.4% for AGIs $50k-75k, 82.8% for AGIs $75k-100k, 67.3% for AGIs over 100k)
Taxable interest for individuals: $1,378 (reported on 50.9% of returns)
This zip code:
$1,378
California:
$2,365
(% of AGI for various income ranges: 7.9% for AGIs below $10k, 2.3% for AGIs $10k-25k, 1.4% for AGIs $25k-50k, 1.6% for AGIs $50k-75k, 1.1% for AGIs $75k-100k, 1.1% for AGIs over 100k)
Taxable dividends: $1,961 (reported on 26.8% of returns)
Here:
$1,961
State:
$4,746
(% of AGI for various income ranges: 7.2% for AGIs below $10k, 1.9% for AGIs $10k-25k, 1.3% for AGIs $25k-50k, 0.9% for AGIs $50k-75k, 0.6% for AGIs $75k-100k, 0.9% for AGIs over 100k)
Net capital gain/loss: +$11,135 (reported on 21.1% of returns)
Here:
+$11,135
State:
+$23,418
(% of AGI for various income ranges: -5.2% for AGIs below $10k, 0.3% for AGIs $10k-25k, 0.4% for AGIs $25k-50k, 0.8% for AGIs $50k-75k, 0.8% for AGIs $75k-100k, 12.0% for AGIs over 100k)
Profit/loss from business: +$18,112 (reported on 19.7% of returns)
Here:
+$18,112
State:
+$16,826
(% of AGI for various income ranges: 9.4% for AGIs below $10k, 10.6% for AGIs $10k-25k, 6.8% for AGIs $25k-50k, 6.9% for AGIs $50k-75k, 7.2% for AGIs $75k-100k, 6.6% for AGIs over 100k)
IRA payment deduction: $3,054 (reported on 3.5% of returns)
94931:
$3,054
California:
$3,192
(% of AGI for various income ranges: 0.4% for AGIs $10k-25k, 0.2% for AGIs $25k-50k, 0.2% for AGIs $50k-75k, 0.2% for AGIs $75k-100k, 0.1% for AGIs over 100k)
Self-employed pension: $11,909 (reported on 1.8% of returns)
Here:
$11,909
California:
$17,688
(% of AGI for various income ranges: 0.3% for AGIs $25k-50k, 0.4% for AGIs $50k-75k, 0.5% for AGIs $75k-100k, 0.6% for AGIs over 100k)
Total itemized deductions: $22,331 (27% of AGI, reported on 43.4% of returns)
Here:
$22,331
State:
$28,113
Here:
27.4% of AGI
State:
25.3% of AGI
(% of AGI for various income ranges: 39.6% for AGIs below $10k, 14.1% for AGIs $10k-25k, 16.1% for AGIs $25k-50k, 22.1% for AGIs $50k-75k, 21.5% for AGIs $75k-100k, 19.0% for AGIs over 100k)
Charity contributions deductions: $1,662 (2% of AGI, reported on 37.8% of returns)
Here:
$1,662
State:
$3,923
Here:
2.0% of AGI
State:
3.3% of AGI
(% of AGI for various income ranges: 1.5% for AGIs below $10k, 0.6% for AGIs $10k-25k, 0.8% for AGIs $25k-50k, 1.5% for AGIs $50k-75k, 1.5% for AGIs $75k-100k, 1.4% for AGIs over 100k)
Total tax: $6,969 (reported on 82.7% of returns)
94931:
$6,969
State:
$10,761
(% of AGI for various income ranges: 7.0% for AGIs below $10k, 5.6% for AGIs $10k-25k, 8.4% for AGIs $25k-50k, 9.7% for AGIs $50k-75k, 10.9% for AGIs $75k-100k, 15.7% for AGIs over 100k)
Earned income credit: $1,240 (reported on 9.9% of returns)
Here:
$1,240
State:
$1,763
Percentage of individuals using paid preparers for their 2004 taxes: 58.0%
Here:
58%
State:
66%
(% for various income ranges: 47.7% for AGIs below $10k, 55.7% for AGIs $10k-25k, 54.8% for AGIs $25k-50k, 63.7% for AGIs $50k-75k, 64.9% for AGIs $75k-100k, 70.1% for AGIs over 100k)
Likely homosexual households (counted as self-reported same-sex unmarried-partner households)
Lesbian couples: 0.2% of all households
Gay men: 0.3% of all households
Household received Food Stamps/SNAP in the past 12 months: 400 Household did not receive Food Stamps/SNAP in the past 12 months: 3,430
Women who had a birth in the past 12 months: 162 (140 now married, 22 unmarried) Women who did not have a birth in the past 12 months: 1,855 (741 now married, 1,114 unmarried)
Housing units in zip code 94931 with a mortgage: 1,707 (161 second mortgage, 10 home equity loan, 146 both second mortgage and home equity loan) Houses without a mortgage: 37
Median monthly owner costs for units with a mortgage: $2,587 Median monthly owner costs for units without a mortgage: $1,025
Residents with income below the poverty level in 2022:
This zip code:
7.1%
Whole state:
12.2%
Residents with income below 50% of the poverty level in 2022:
This zip code:
3.9%
Whole state:
6.2%
Median number of rooms in houses and condos:
Here:
5.6
State:
6.0
Median number of rooms in apartments:
Here:
3.4
State:
3.9
Notable locations in this zip code not listed on our city pages
Notable locations in zip code 94931: Cotati (A), Veterans Memorial Building (B), Cotati City Hall (C), Rancho Adobe Fire Protection District Station 1 (D). Display/hide their locations on the map
1,118 married couples with children.
277 single-parent households (110 men, 167 women).
84.0% of residents of 94931 zip code speak English at home.
11.9% of residents speak Spanish at home (51% very well, 19% well, 19% not well, 11% not at all).
2.7% of residents speak other Indo-European language at home (65% very well, 23% well, 12% not well).
0.7% of residents speak Asian or Pacific Island language at home (42% very well, 31% well, 27% not well).
Foreign born population: 843 (9.5%) (57.6% of them are naturalized citizens)
This zip code:
9.5%
Whole state:
26.7%
44%Honduras
6%Chile
5%Barbados
5%Guyana
5%France
2%Hong Kong
2%Thailand
13%German
12%Irish
7%Italian
6%English
4%American
4%European
3%Eastern European
Year of entry for the foreign-born population
332010 or later
2962000 to 2009
1351990 to 1999
416Before 1990
Facilities with environmental interests located in this zip code:
MINATTA TRANSPORTATION CO (8184 GRAVENSTEIN HWY in COTATI, CA)
STATE MASTER (California - Hazardous Waste Tracking) - HAZARDOU WASTE PROGRAM Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification TRANSPORTER (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification Organizations: DINO AND LAWRENCE MINATTA (CONTACT/OWNER)
Alternative names: MINATTA TRANS CO
JT AND T ENTERPRISES INC (8023 GRAVENSTEIN HWY in COTATI, CA)
STATE MASTER (California - Hazardous Waste Tracking) - HAZARDOU WASTE PROGRAM TRANSPORTER (Resource Conservation and Recovery Act (tracking hazardous waste)) Business NAICS classification: SOLID WASTE COLLECTION.; HAZARDOUS WASTE COLLECTION. Organizations: JAMES E THOMPSON (CONTACT/OPERATOR)
, JAMES E AND TONI D THOMPSON (CONTACT/OWNER)
NORTH BAY TRUCKWORKS (141 HELMAN LANE in COTATI, CA)
STATE MASTER (California - Hazardous Waste Tracking) - HAZARDOU WASTE PROGRAM CRITERIA AND HAZARDOUS AIR POLLUTANT INVENTORY (Inventory of air pollution sources) Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification Business SIC classification: TOP, BODY, AND UPHOLSTERY REPAIR SHOPS AND PAINT SHOPS Organizations: JOAQUIN BALISTRERI (CONTACT/OWNER)
A & L FAIRFAX FRENCH CLEANERS (7950 REDWOOD DR, #6 in COTATI, CA)
CRITERIA AND HAZARDOUS AIR POLLUTANT INVENTORY (Inventory of air pollution sources) Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification Business SIC classification: DRYCLEANING PLANTS, EXCEPT RUG CLEANING Organizations: LINDA KU (CONTACT/OWNER)
ENTERPRISE AUTO (421 PORTAL ST STE 6 in COTATI, CA)
Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification Organizations: KENNETH B SAMMIS (CONTACT/OWNER)
NU FASHION CLEANERS TIP TOP (33 HENRY STREET in COTATI, CA)
CRITERIA AND HAZARDOUS AIR POLLUTANT INVENTORY (Inventory of air pollution sources) Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) Business SIC classification: DRYCLEANING PLANTS, EXCEPT RUG CLEANING Alternative names: TIP TOP CLEANERS
GRUPPO D AQUILA (7611 REDWOOD DR in COTATI, CA)
Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification Organizations: TONY AQUILA (CONTACT/OWNER)
Alternative names: GRUPPO D' AGUILLA
J & M PRECISION SHEET METAL (430 AARON STREET in COTATI, CA)
CRITERIA AND HAZARDOUS AIR POLLUTANT INVENTORY (Inventory of air pollution sources) Business SIC classification: SHEET METALWORK
NOR-CAL TRUCKBODYS (141 HELMAN LANE in COTATI, CA)
ENFORCEMENT/COMPLIANCE ACTIVITY (Integrated Compliance Information System) CRITERIA AND HAZARDOUS AIR POLLUTANT INVENTORY (Inventory of air pollution sources) Business SIC classification: TOP, BODY, AND UPHOLSTERY REPAIR SHOPS AND PAINT SHOPS Alternative names: NOR CAL TRUCK BODY
GABE'S CUSTOM AUTO BODY (6811 REDWOOD DR in COTATI, CA)
CRITERIA AND HAZARDOUS AIR POLLUTANT INVENTORY (Inventory of air pollution sources) Business SIC classification: TOP, BODY, AND UPHOLSTERY REPAIR SHOPS AND PAINT SHOPS
GRAFIX (681 PORTAL STREET in COTATI, CA)
CRITERIA AND HAZARDOUS AIR POLLUTANT INVENTORY (Inventory of air pollution sources) Business SIC classification: AUTOMOTIVE TRIMMINGS, APPAREL FINDINGS, AND RELATED PRODUCTS
CARLS BODY SHOP (8755 PINE LANE in COTATI, CA)
CRITERIA AND HAZARDOUS AIR POLLUTANT INVENTORY (Inventory of air pollution sources) Business SIC classification: TOP, BODY, AND UPHOLSTERY REPAIR SHOPS AND PAINT SHOPS
Housing units lacking complete plumbing facilities: 1.1% Housing units lacking complete kitchen facilities: 1.0%
65.8%Utility gas
25.4%Electricity
5.1%Wood
1.7%Bottled, tank, or LP gas
1.3%Solar energy
0.7%No fuel used
Population in 1990: 6,849. Population change in the 1990s: +1,067 (+15.6%).
Place of birth for U.S.-born residents:
This state: 6,061
Northeast: 527
Midwest: 310
South: 717
West: 321
56% of the 94931 zip code residents lived in the same house 5 years ago. Out of people who lived in different houses, 67% lived in this county. Out of people who lived in different counties, 50% lived in California.
89% of the 94931 zip code residents lived in the same house 1 year ago. Out of people who lived in different houses, 46% moved from this county. Out of people who lived in different houses, 33% moved from different county within same state. Out of people who lived in different houses, 19% moved from different state. Out of people who lived in different houses, 2% moved from abroad.
Private vs. public school enrollment:
Students in private schools in grades 1 to 8 (elementary and middle school):
Here:
0.0%
California:
10.5%
Students in private schools in grades 9 to 12 (high school): 10
Here:
3.3%
California:
8.5%
Students in private undergraduate colleges: 19
Here:
4.3%
California:
15.9%
Occupation by median earnings in the past 12 months ($)
131,107Installation, maintenance, and repair occupations
128,151Law enforcement workers including supervisors
105,754Community and social service occupations
98,638Education, training, and library occupations
85,769Business and financial operations occupations
80,963Computer and mathematical occupations
Top industries in this zip code by the number of employees in 2005:
2005 - 2018 National Fire Incident Reporting System (NFIRS) incidents
Based on the data from the years 2005 - 2018 the average number of fires per year is 40. The highest number of fires - 61 took place in 2007, and the least - 9 in 2005. The data has a growing trend.
When looking into fire subcategories, the most reports belonged to: Outside Fires (45.2%), and Structure Fires (31.3%).
Fire incident types reported to NFIRS in Zip Code 94931