Residential delivery area · California

ZIP Code 94928: Rohnert Park, CA

ZIP code 94928 is in Rohnert Park, California, entirely in Sonoma County (Census 2020 ZIP-county file). About 47,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $99,280 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Rohnert Park (90%) and Sonoma State University (5%); 4% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
9national area: California, Alaska, Hawaii, Oregon, Washington and 7 more
949sectional center: North Bay, CA (SCF 949)
28delivery area within it
Town
Rohnert Park · its only residential ZIP
Census places
Rohnert Park (90%); Sonoma State University (5%) census-designated place
Metro area
Santa Rosa-Petaluma, CA
House district
CA-4 119th Congress
Time zone
Pacific
Land area
7.7 sq mi · 6,046 people per sq mi
PO Box ZIPs
94926, 94927 also use the name Rohnert Park

Where is ZIP code 94928?

94928 centers on 38.346°, -122.694° and covers 7.7 square miles of land. It borders 4 ZIP codes: 94931, 94951, 95407, 95404.

94931 · Cotati94951 · Penngrove95404 · Santa Rosa95407 · Santa Rosa94928 · Rohnert Park (this ZIP)9492895407949519493194931 · Cotati94951 · Penngrove95404 · Santa Rosa95407 · Santa Rosa94928 · Rohnert Park (this ZIP)9492895407949519493194931 · Cotati94951 · Penngrove95404 · Santa Rosa95407 · Santa Rosa94928 · Rohnert Park (this ZIP)94928954079495194931
Shaded by median household income, in national fifths (ACS 2020-2024); 94928 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 94928, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 94928 compare with the rest of Sonoma County?

Rank of 94928 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure94928In Sonoma CountyIn CA
People (ACS 2020-2024)46,8291st of 40268th of 1,802
Median household income$99k17th of 22592nd of 1,189
Median home value$666k21st of 26717th of 1,317

Its median household income is higher than in 80% of U.S. residential ZIP codes, and it is denser than 95% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 94928?

The 2020 Census counted 47,062 people in 94928; the ACS, which samples households over 2020-2024, estimates 46,829. Between the 2010 and 2020 censuses its population grew 9.0% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
46,829
2020 Census count
47,062+9.0% since 2010 (43,170)
Households
17,200
Median age
33.8

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 94928?

Of the 46,829 people the ACS estimates in 94928, 19.3% are under 18 and 13.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (50.9%), then Hispanic or Latino (32.6%).

  • Under 1819.3%
  • 18 to 6466.8%
  • 65 and older13.9%
Age of the people of 94928 (ACS 2020-2024, B01001)
  • White, not Hispanic50.9%
  • Hispanic or Latino32.6%
  • Other or two or more7.3%
  • Asian, not Hispanic6.8%
  • Black, not Hispanic2.5%
Race and Hispanic origin in 94928 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 94928 earn?

Median household income is $99,280 (ACS 2020-2024), the 17th highest of the 22 ranked ZIP codes in Sonoma County. It rose from $88,127 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.

Median household income
$99,280
Income per person
$46,113
Below the poverty line
10.5%
Unemployed (of the labor force)
5.7%
Adults 25+ with a bachelor's degree
30.6%
Adjusted gross income per tax return, 2022
$81,75222,560 returns; wages 76% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 94928?

FHFA's house price index for 94928, built from repeat sales and appraisals of the same homes, rose 64% from 2015 to 2025 and rose 26% from 2020 to 2025, and moved +1.7% in 2025.

Median home value (owners' estimate)
$666,000
Median gross rent
$2,279
Homes owned by their occupants
49.9%
Housing units
17,826
0 400 800 1200 1600 197619902000201020202025 0 400 800 1200 1600 197619902000201020202025 0 400 800 1200 1600 197619902000201020202025
Index = 100 in 1976, the first year FHFA reports for 94928; 2025: 1515.9. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

What businesses are in 94928?

907 business establishments had a location in this ZIP code in 2023, 20 more than in 2018; the most are in construction (ZIP Code Business Patterns).

  • Construction151
  • Accommodation and food services121
  • Health care and social assistance102
  • Retail trade96
  • Professional, scientific, and technical services77
  • Other services (except public administration)73

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 94928?

ZIP codes that share a boundary with 94928, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
94931Cotati9,487$102k1.9 mi
94951Penngrove3,294$106k3.1 mi
95407Santa Rosa42,036$83k4.4 mi
95404Santa Rosa37,011$105k12.4 mi
95405Santa Rosa22,744$118k6.5 mi (near)
94952Petaluma33,785$117k8.5 mi (near)
95401Santa Rosa36,861$94k9.0 mi (near)
95431Eldridge43–9.6 mi (near)
95472Sebastopol28,747$109k9.8 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.

Which other ZIP codes use the name Rohnert Park?

2 more ZIP codes carry the postal name Rohnert Park, CA without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for them.

ZIP codes named Rohnert Park without a residential area (GeoNames postal codes)
ZIPCounty
94926Sonoma County
94927Sonoma County

Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.