Residential delivery area · California
ZIP Code 95403: Santa Rosa, CA
ZIP code 95403 uses the postal name Santa Rosa, California and lies entirely in Sonoma County (Census 2020 ZIP-county file). About 46,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Santa Rosa's 6 residential ZIP codes. Median household income is $98,191 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Santa Rosa (33%) and Larkfield-Wikiup (21%), and 2% in smaller places; 44% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Santa Rosa · 6 residential ZIPs
- County
- Sonoma County
- Census places
- Santa Rosa (33%); Larkfield-Wikiup (21%) census-designated place
- Neighborhood
- Monroe GeoNames
- Metro area
- Santa Rosa-Petaluma, CA
- House districts
- CA-2 (87%), CA-4 (13%) 119th Congress, by share of land
- State
- California
- Time zone
- Pacific
- Land area
- 21.5 sq mi · 2,127 people per sq mi
Where is ZIP code 95403?
95403 centers on 38.504°, -122.754° and covers 21.5 square miles of land plus 0.0 of water. It borders 5 ZIP codes: 95439, 95492, 95404, 95401, 95448.
The map draws ZIP code areas only. For the streets inside 95403, 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); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 95403 compare with the rest of Santa Rosa?
| Measure | 95403 | In Santa Rosa | In Sonoma County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 45,806 | 1st of 6 | 2nd of 40 | 290th of 1,802 |
| Median household income | $98k | 4th of 6 | 18th of 22 | 600th of 1,189 |
| Median home value | $693k | 4th of 6 | 19th of 26 | 687th of 1,317 |
Its median household income is higher than in 80% of U.S. residential ZIP codes, and it is denser than 85% 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 95403?
The 2020 Census counted 44,705 people in 95403; the ACS, which samples households over 2020-2024, estimates 45,806. Between the 2010 and 2020 censuses its population fell 1.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 45,806
- 2020 Census count
- 44,705−1.0% since 2010 (45,164)
- Households
- 16,823
- Median age
- 40.2
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 95403?
Of the 45,806 people the ACS estimates in 95403, 21.7% are under 18 and 17.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (47.4%), then Hispanic or Latino (37.8%).
- Under 1821.7%
- 18 to 6460.7%
- 65 and older17.6%
- White, not Hispanic47.4%
- Hispanic or Latino37.8%
- Other or two or more6.8%
- Asian, not Hispanic5.8%
- Black, not Hispanic2.2%
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 95403 earn?
Median household income is $98,191 (ACS 2020-2024), the 18th highest of the 22 ranked ZIP codes in Sonoma County. It is not measurably different from 2015-2019 ($93,195 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $98,191
- Income per person
- $46,621
- Below the poverty line
- 9.8%
- Unemployed (of the labor force)
- 4.9%
- Adults 25+ with a bachelor's degree
- 29.3%
- Adjusted gross income per tax return, 2022
- $99,26421,830 returns; wages 64% 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 95403?
FHFA's house price index for 95403, built from repeat sales and appraisals of the same homes, rose 65% from 2015 to 2025 and rose 26% from 2020 to 2025, and moved −1.4% in 2025.
- Median home value (owners' estimate)
- $693,000
- Median gross rent
- $2,275
- Homes owned by their occupants
- 54.8%
- Housing units
- 17,832
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 95403?
1,539 business establishments had a location in this ZIP code in 2023, 69 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction243
- Health care and social assistance226
- Professional, scientific, and technical services178
- Retail trade128
- Other services (except public administration)112
- Accommodation and food services103
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 95403?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 95439 | Fulton | 486 | – | 1.5 mi |
| 95492 | Windsor | 27,429 | $134k | 3.6 mi |
| 95404 | Santa Rosa | 37,011 | $105k | 3.8 mi |
| 95401 | Santa Rosa | 36,861 | $94k | 4.3 mi |
| 95448 | Healdsburg | 16,077 | $105k | 11.0 mi |
| 95405 | Santa Rosa | 22,744 | $118k | 6.5 mi (near) |
| 95407 | Santa Rosa | 42,036 | $83k | 7.5 mi (near) |
| 95444 | Graton | 625 | $105k | 7.9 mi (near) |
| 95436 | Forestville | 5,821 | $110k | 8.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.