Residential delivery area · California
ZIP Code 94574: Saint Helena, CA
ZIP code 94574 uses the postal name Saint Helena, California and lies mostly in Napa County (99% of its land) with the rest in Sonoma County (Census 2020 ZIP-county file). About 7,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $139,474 (Census Bureau, ACS 2020-2024). By Census place, its land lies in St. Helena (4%) and Deer Park (4%); 92% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Saint Helena · its only residential ZIP
- County
- Napa County (99%); Sonoma County (1%)
- Census places
- St. Helena (4%); Deer Park (4%) census-designated place
- Neighborhood
- Vineyard Valley Mobile Home Park GeoNames
- Metro area
- Napa, CA
- House districts
- CA-4 (99%), CA-2 (1%) 119th Congress, by share of land
- State
- California
- Time zone
- Pacific
- Land area
- 124.3 sq mi · 60 people per sq mi
Where is ZIP code 94574?
94574 centers on 38.542°, -122.420° and covers 124.3 square miles of land plus 2.0 of water. It borders 9 ZIP codes: 94576, 94508, 94573, 94567, 95452, 95409, 94515, 95404, 94558.
The map draws ZIP code areas only. For the streets inside 94574, 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 94574 compare with the rest of Napa County?
| Measure | 94574 | In Napa County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 7,457 | 6th of 13 | 1,063rd of 1,802 |
| Median household income | $140k | 1st of 8 | 214th of 1,189 |
| Median home value | $1.64M | 1st of 9 | 114th of 1,317 |
Its median household income is higher than in 95% of U.S. residential ZIP codes, and it is denser than 45% 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 94574?
The 2020 Census counted 8,317 people in 94574; the ACS, which samples households over 2020-2024, estimates 7,457. Between the 2010 and 2020 censuses its population fell 4.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 7,457
- 2020 Census count
- 8,317−4.9% since 2010 (8,742)
- Households
- 3,220
- Median age
- 50.0
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 94574?
Of the 7,457 people the ACS estimates in 94574, 17.7% are under 18 and 31.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (66.1%), then Hispanic or Latino (28.6%).
- Under 1817.7%
- 18 to 6450.5%
- 65 and older31.8%
- White, not Hispanic66.1%
- Hispanic or Latino28.6%
- Other or two or more3.3%
- Asian, not Hispanic1.4%
- Black, not Hispanic0.6%
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 94574 earn?
Median household income is $139,474 (ACS 2020-2024), the highest of the 8 ranked ZIP codes in Napa County. It rose from $114,830 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $139,474±$18,121
- Income per person
- $109,819
- Below the poverty line
- 4.9%
- Unemployed (of the labor force)
- 4.3%
- Adults 25+ with a bachelor's degree
- 55.2%
- Adjusted gross income per tax return, 2022
- $330,9053,640 returns; wages 26% 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 94574?
FHFA's house price index for 94574, built from repeat sales and appraisals of the same homes, rose 43% from 2015 to 2025 and rose 17% from 2020 to 2025, and moved +34.3% in 2025.
- Median home value (owners' estimate)
- $1,637,800
- Median gross rent
- $2,155
- Homes owned by their occupants
- 66.0%
- Housing units
- 4,135
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 94574?
556 business establishments had a location in this ZIP code in 2023, 16 fewer than in 2018; the most are in manufacturing (ZIP Code Business Patterns).
- Manufacturing144
- Retail trade74
- Professional, scientific, and technical services71
- Health care and social assistance49
- Accommodation and food services45
- Construction31
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 94574?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 94576 | Deer Park | 103 | $171k | 3.1 mi |
| 94508 | Angwin | 3,495 | $117k | 3.3 mi |
| 94573 | Rutherford | 84 | $250k+ | 5.8 mi |
| 94567 | Pope Valley | 668 | $81k | 8.6 mi |
| 95452 | Kenwood | 1,762 | $119k | 10.0 mi |
| 95409 | Santa Rosa | 25,616 | $108k | 10.2 mi |
| 94515 | Calistoga | 6,946 | $95k | 12.4 mi |
| 95404 | Santa Rosa | 37,011 | $105k | 14.7 mi |
| 94558 | Napa | 63,657 | $113k | 16.4 mi |
| 94562 | Oakville | 0 | – | 7.7 mi (near) |
| 94599 | Yountville | 3,348 | $80k | 10.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.