Residential delivery area · California
ZIP Code 94577: San Leandro, CA
ZIP code 94577 is in San Leandro, California, entirely in Alameda County (Census 2020 ZIP-county file). About 46,000 people live there (Census Bureau, ACS 2020-2024), the most populous of San Leandro's 3 residential ZIP codes. Median household income is $108,772 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- San Leandro · 3 residential ZIPs
- County
- Alameda County
- Census places
- San Leandro
- Metro area
- San Francisco-Oakland-Fremont, CA
- House districts
- CA-12 (92%), CA-14 (8%) 119th Congress, by share of land
- State
- California
- Time zone
- Pacific
- Land area
- 8.1 sq mi · 5,708 people per sq mi
Where is ZIP code 94577?
94577 centers on 37.717°, -122.169° and covers 8.1 square miles of land plus 0.7 of water. It borders 6 ZIP codes: 94603, 94579, 94578, 94605, 94621, 94546.
The map draws ZIP code areas only. For the streets inside 94577, 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 94577 compare with the rest of San Leandro?
| Measure | 94577 | In San Leandro | In Alameda County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 46,317 | 1st of 3 | 12th of 53 | 280th of 1,802 |
| Median household income | $109k | 1st of 3 | 33rd of 48 | 465th of 1,189 |
| Median home value | $856k | 1st of 3 | 34th of 49 | 486th of 1,317 |
Its median household income is higher than in 86% 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 94577?
The 2020 Census counted 48,868 people in 94577; the ACS, which samples households over 2020-2024, estimates 46,317. Between the 2010 and 2020 censuses its population grew 7.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 46,317
- 2020 Census count
- 48,868+7.3% since 2010 (45,560)
- Households
- 16,555
- Median age
- 41.3
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 94577?
Of the 46,317 people the ACS estimates in 94577, 18.1% are under 18 and 18.8% are 65 or older. The largest group by race and Hispanic origin is Asian (not Hispanic) (31.0%), then Hispanic or Latino (29.8%).
- Under 1818.1%
- 18 to 6463.1%
- 65 and older18.8%
- Asian, not Hispanic31.0%
- Hispanic or Latino29.8%
- White, not Hispanic21.6%
- Black, not Hispanic11.5%
- Other or two or more6.1%
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 94577 earn?
Median household income is $108,772 (ACS 2020-2024), the 33rd highest of the 48 ranked ZIP codes in Alameda County. It rose from $96,250 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $108,772
- Income per person
- $53,118
- Below the poverty line
- 8.0%
- Unemployed (of the labor force)
- 4.7%
- Adults 25+ with a bachelor's degree
- 38.5%
- Adjusted gross income per tax return, 2022
- $89,81023,710 returns; wages 77% 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 94577?
FHFA's house price index for 94577, built from repeat sales and appraisals of the same homes, rose 71% from 2015 to 2025 and rose 23% from 2020 to 2025, and moved −1.8% in 2025.
- Median home value (owners' estimate)
- $856,100
- Median gross rent
- $2,242
- Homes owned by their occupants
- 55.5%
- Housing units
- 17,494
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 94577?
1,821 business establishments had a location in this ZIP code in 2023, 4 fewer than in 2018; the most are in wholesale trade (ZIP Code Business Patterns).
- Wholesale trade217
- Health care and social assistance205
- Construction186
- Retail trade178
- Other services (except public administration)169
- Accommodation and food services160
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 94577?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 94603 | Oakland | 35,742 | $77k | 1.6 mi |
| 94579 | San Leandro | 20,017 | $99k | 2.2 mi |
| 94578 | San Leandro | 41,769 | $94k | 2.5 mi |
| 94605 | Oakland | 44,103 | $106k | 3.3 mi |
| 94621 | Oakland | 33,840 | $52k | 3.3 mi |
| 94546 | Castro Valley | 44,855 | $128k | 4.1 mi |
| 94580 | San Lorenzo | 29,420 | $111k | 3.3 mi (near) |
| 94502 | Alameda | 13,430 | $181k | 4.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.