Residential delivery area · New York
ZIP Code 10603: White Plains, NY
ZIP code 10603 uses the postal name White Plains, New York and lies entirely in Westchester County (Census 2020 ZIP-county file). About 19,000 people live there (Census Bureau, ACS 2020-2024), the 2nd most populous of White Plains's 5 residential ZIP codes. Median household income is $121,026 (Census Bureau, ACS 2020-2024). By Census place, 22% of its land lies in White Plains, and 4% in smaller places; 74% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- White Plains · 5 residential ZIPs
- County
- Westchester County
- Census places
- White Plains
- Metro area
- New York-Newark-Jersey City, NY-NJ
- House districts
- NY-16 (82%), NY-17 (18%) 119th Congress, by share of land
- State
- New York
- Time zone
- Eastern
- Land area
- 3.4 sq mi · 5,613 people per sq mi
Where is ZIP code 10603?
10603 centers on 41.054°, -73.780° and covers 3.4 square miles of land plus 0.0 of water. It borders 6 ZIP codes: 10601, 10607, 10523, 10604, 10595, 10606.
The map draws ZIP code areas only. For the streets inside 10603, 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 10603 compare with the rest of White Plains?
| Measure | 10603 | In White Plains | In Westchester County | In NY |
|---|---|---|---|---|
| People (ACS 2020-2024) | 18,910 | 2nd of 5 | 21st of 77 | 348th of 1,826 |
| Median household income | $121k | 3rd of 5 | 42nd of 61 | 230th of 1,081 |
| Median home value | $503k | 4th of 5 | 55th of 65 | 349th of 1,172 |
Its median household income is higher than in 91% 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 10603?
The 2020 Census counted 18,033 people in 10603; the ACS, which samples households over 2020-2024, estimates 18,910. Between the 2010 and 2020 censuses its population grew 5.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 18,910
- 2020 Census count
- 18,033+5.8% since 2010 (17,045)
- Households
- 7,128
- Median age
- 39.2
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 10603?
Of the 18,910 people the ACS estimates in 10603, 19.9% are under 18 and 16.5% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (35.5%), then White (not Hispanic) (31.9%).
- Under 1819.9%
- 18 to 6463.6%
- 65 and older16.5%
- Hispanic or Latino35.5%
- White, not Hispanic31.9%
- Black, not Hispanic20.3%
- Asian, not Hispanic7.2%
- Other or two or more5.1%
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 10603 earn?
Median household income is $121,026 (ACS 2020-2024), the 42nd highest of the 61 ranked ZIP codes in Westchester County. It is not measurably different from 2015-2019 ($117,586 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $121,026±$22,423
- Income per person
- $58,137
- Below the poverty line
- 7.6%
- Unemployed (of the labor force)
- 5.9%
- Adults 25+ with a bachelor's degree
- 45.9%
- Adjusted gross income per tax return, 2022
- $98,1289,970 returns; wages 74% 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 10603?
FHFA's house price index for 10603, built from repeat sales and appraisals of the same homes, rose 65% from 2015 to 2025 and rose 39% from 2020 to 2025, and moved +2.3% in 2025.
- Median home value (owners' estimate)
- $503,000
- Median gross rent
- $1,996
- Homes owned by their occupants
- 64.6%
- Housing units
- 7,505
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 10603?
541 business establishments had a location in this ZIP code in 2023, 5 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services100
- Construction84
- Other services (except public administration)58
- Health care and social assistance50
- Administrative and support and waste management and remediation services45
- Real estate and rental and leasing41
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 10603?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 10601 | White Plains | 11,930 | $86k | 1.7 mi |
| 10607 | White Plains | 6,466 | $169k | 1.9 mi |
| 10523 | Elmsford | 9,450 | $118k | 2.1 mi |
| 10604 | West Harrison | 12,517 | $117k | 2.1 mi |
| 10595 | Valhalla | 7,243 | $123k | 2.3 mi |
| 10606 | White Plains | 17,341 | $112k | 2.3 mi |
| 10530 | Hartsdale | 13,892 | $122k | 2.7 mi (near) |
| 10532 | Hawthorne | 5,347 | $141k | 3.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.