Home > CA > Sonoma County > Cotati > Zip 94931

Zip Code 94931 — Cotati, CA

ZIP Code 94931 is associated with Cotati, CA, in Sonoma County. The listed population estimate is 9,487; estimated density is 473.5 people per square mile. Among records with population estimates, it ranks #14 of 36 in Sonoma County and #1015 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.322290, -122.714970)

Data MetricLocal Statistic
Postal / Zip Code94931
Primary CityCotati
State / ProvinceCA
CountySonoma
Total Population9,487
Population Density473.5 people/sq mi
TimezoneAmerica/Los_Angeles

How 94931 Compares

MetricZIP 94931Sonoma County recordsCA records
Population estimate9,487458,793 (sum)39,286,245 (sum)
Population Density473.5 /sq mi----
County population rank#14 of 36----
State population rank#1015 of 1,762----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in CA

ZIP CodeCityDistancePopulation estimate
ZIP 94928Rohnert Park2.0 mi46,829
ZIP 94951Penngrove3.8 mi3,294
ZIP 95407Santa Rosa5.3 mi42,036
ZIP 94952Petaluma6.9 mi33,785
ZIP 95405Santa Rosa8.5 mi22,744

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →