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ZIP code

94931

Cotati, CA

STANDARD

94931 covers Cotati in Sonoma County, with 9,320 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

9,320

Median household income

$103,105

Median home value

$788,200

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 94931. Methodology

ZIP code map of 94931

Census ZCTA boundary for ZIP 94931 in Cotati, California
Census ZCTA boundary for ZIP 94931 in Cotati, California. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 94931

Type

STANDARD

City

Cotati

County

Sonoma County

Timezone

America/Los_Angeles

Area codes

707

Land area

7.7 sq mi

Water area

0.01 sq mi

Households

4,244

Median gross rent

$1,780

More enterprise fields

Timezone
America/Los_Angeles
Area Codes
707
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 94931. Not ACS. Methodology

People in 94931

Race

  • White6,256
  • Black or African American121
  • American Indian or Alaska Native107
  • Asian370
  • Native Hawaiian and Pacific Islander24
  • Other race864
  • Two or more races1,377

Hispanic or Latino (any race): 2,003

Age

  • Under 10939
  • 10 to 19993
  • 20 to 291,208
  • 30 to 391,374
  • 40 to 491,094
  • 50 to 591,280
  • 60 to 691,290
  • 70 to 79693
  • 80 and older248

Income and housing in 94931

Poverty rate

7.6%

Median earnings

$59,605

Median household income

$103,105

Median home value

$788,200

Median gross rent

$1,780

Education

  • High school graduate96.8%
  • Bachelor's degree39.0%
  • Graduate degree11.1%

Places covering 94931

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

16.5% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 94931

IRS populationACS population
10,0665,033020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
20057,992
20067,922
20078,344
20087,951
20097,900
20108,007
20118,6017,836
20128,5787,930
20138,6468,250
20148,5708,320
20158,4428,500
20168,4368,380
20178,4628,540
20188,6018,350
20198,9268,190
20209,0978,230
20218,9668,160
20228,9458,170
20239,320

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 94931

12 nearest ZIP centroids (any distance)

  1. 94928Rohnert Park1.9 miPop 46,463 · Income $96,622
  2. 94951Penngrove3.9 miPop 3,628 · Income $116,093
  3. 94999Petaluma4.2 miPop — · Income —
  4. 95407Santa Rosa5.1 miPop 42,135 · Income $82,807
  5. 94952Petaluma6.7 miPop 33,339 · Income $115,097
  6. 95405Santa Rosa8.2 miPop 22,811 · Income $117,931
  7. 95472Sebastopol9.4 miPop 28,588 · Income $109,775
  8. 95401Santa Rosa9.5 miPop 36,842 · Income $93,513
  9. 94954Petaluma10.7 miPop 38,000 · Income $107,564
  10. 95431Eldridge11.0 miPop 47 · Income —
  11. 95444Graton11.1 miPop 748 · Income $210,650
  12. 95442Glen Ellen11.5 miPop 2,986 · Income $131,696

ZIP centroids within 2 miles

ZIP centroids within 2 miles of 94931, measured by Census internal point.
ZIPCityStateDistance (miles)ACS populationMedian income
94928Rohnert ParkCA1.9 mi46,463$96,622

ZIPs within 2 miles of this place

Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.

94931 Cotati, CA

Looking up ZIP codes within 2 miles of 94931 Cotati, CA, measured by centroid distance.

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ZIP code 94931 FAQ

What city is ZIP code 94931 in?
94931 is in Cotati, CA.
What county is 94931 in?
94931 is in Sonoma County.
What is the median household income in 94931?
The median household income in 94931 is $103,105.
Which ZIP codes are near 94931?
Use the radius tool on this page to list ZIP codes within a chosen distance of 94931.