Residential delivery area · California
ZIP Code 94549: Lafayette, CA
ZIP code 94549 is in Lafayette, California, entirely in Contra Costa County (Census 2020 ZIP-county file). About 28,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $234,516 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Lafayette (75%) and Reliez Valley (12%); 13% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Lafayette · its only residential ZIP
- County
- Contra Costa County
- Census places
- Lafayette (75%); Reliez Valley (12%) census-designated place
- Neighborhood
- Silverwood GeoNames
- Metro area
- San Francisco-Oakland-Fremont, CA
- House district
- CA-10 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 19.8 sq mi · 1,432 people per sq mi
Where is ZIP code 94549?
94549 centers on 37.901°, -122.119° and covers 19.8 square miles of land plus 0.2 of water. It borders 6 ZIP codes: 94597, 94595, 94523, 94556, 94563, 94553.
The map draws ZIP code areas only. For the streets inside 94549, 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 94549 compare with the rest of Contra Costa County?
| Measure | 94549 | In Contra Costa County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 28,420 | 20th of 48 | 640th of 1,802 |
| Median household income | $235k | 5th of 41 | 19th of 1,189 |
| Median home value | $2M+ | 1= of 43 | 1= of 1,317 |
1= means a shared first place: 94549's median home value ties with 2 other ZIP codes at the Census cap in Contra Costa County; median home value ties with 61 other ZIP codes at the Census cap in California.
Its median household income is higher than in more than 99% of U.S. residential ZIP codes, and it is denser than 82% 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 94549?
The 2020 Census counted 28,637 people in 94549; the ACS, which samples households over 2020-2024, estimates 28,420. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 28,420
- 2020 Census count
- 28,637
- Households
- 10,682
- Median age
- 46.3
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 94549?
Of the 28,420 people the ACS estimates in 94549, 25.1% are under 18 and 22.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (70.7%), then Asian (not Hispanic) (11.9%).
- Under 1825.1%
- 18 to 6452.4%
- 65 and older22.5%
- White, not Hispanic70.7%
- Asian, not Hispanic11.9%
- Other or two or more8.9%
- Hispanic or Latino7.6%
- Black, not Hispanic0.9%
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 94549 earn?
Median household income is $234,516 (ACS 2020-2024), the 5th highest of the 41 ranked ZIP codes in Contra Costa County.
- Median household income
- $234,516±$25,465
- Income per person
- $122,213
- Below the poverty line
- 3.0%
- Unemployed (of the labor force)
- 4.6%
- Adults 25+ with a bachelor's degree
- 79.2%
- Adjusted gross income per tax return, 2022
- $380,38313,470 returns; wages 55% 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 94549?
FHFA's house price index for 94549, built from repeat sales and appraisals of the same homes, rose 15% from 2015 to 2025 and rose 10% from 2020 to 2025, and moved −5.3% in 2025.
- Median home value (owners' estimate)
- $2,000,000 or more
- Median gross rent
- $2,968
- Homes owned by their occupants
- 78.9%
- Housing units
- 11,057
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 94549?
1,069 business establishments had a location in this ZIP code in 2023, 21 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services249
- Health care and social assistance163
- Real estate and rental and leasing90
- Other services (except public administration)87
- Finance and insurance84
- Retail trade73
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 94549?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 94597 | Walnut Creek | 23,129 | $132k | 2.8 mi |
| 94595 | Walnut Creek | 16,988 | $101k | 3.4 mi |
| 94523 | Pleasant Hill | 34,592 | $143k | 4.4 mi |
| 94556 | Moraga | 15,998 | $216k | 4.8 mi |
| 94563 | Orinda | 19,378 | $250k+ | 5.1 mi |
| 94553 | Martinez | 48,643 | $124k | 5.7 mi |
| 94575 | Moraga | 975 | – | 4.2 mi (near) |
| 94596 | Walnut Creek | 23,417 | $136k | 4.6 mi (near) |
| 94516 | Canyon | 214 | $113k | 5.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.