Residential delivery area · New York
ZIP Code 12518: Cornwall, NY
ZIP code 12518 uses the postal name Cornwall, New York and lies entirely in Orange County (Census 2020 ZIP-county file). About 6,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $101,208 (Census Bureau, ACS 2020-2024). By Census place, 30% of its land lies in Firthcliffe (a census-designated place); 70% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Cornwall · its only residential ZIP
- County
- Orange County
- Census places
- Firthcliffe census-designated place
- Metro area
- Kiryas Joel-Poughkeepsie-Newburgh, NY
- House district
- NY-18 119th Congress
- State
- New York
- Time zone
- Eastern
- Land area
- 8.0 sq mi · 768 people per sq mi
Where is ZIP code 12518?
12518 centers on 41.416°, -74.043° and covers 8.0 square miles of land plus 0.1 of water. It borders 3 ZIP codes: 12520, 12553, 10930.
The map draws ZIP code areas only. For the streets inside 12518, 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 12518 compare with the rest of Orange County?
| Measure | 12518 | In Orange County | In NY |
|---|---|---|---|
| People (ACS 2020-2024) | 6,114 | 18th of 51 | 659th of 1,826 |
| Median household income | $101k | 17th of 27 | 355th of 1,081 |
| Median home value | $432k | 13th of 38 | 418th of 1,172 |
Its median household income is higher than in 82% of U.S. residential ZIP codes, and it is denser than 76% 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 12518?
The 2020 Census counted 5,622 people in 12518; the ACS, which samples households over 2020-2024, estimates 6,114. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 6,114
- 2020 Census count
- 5,622
- Households
- 2,485
- Median age
- 41.4
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 12518?
Of the 6,114 people the ACS estimates in 12518, 21.9% are under 18 and 18.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (74.0%), then Hispanic or Latino (12.9%).
- Under 1821.9%
- 18 to 6459.8%
- 65 and older18.3%
- White, not Hispanic74.0%
- Hispanic or Latino12.9%
- Other or two or more5.3%
- Black, not Hispanic4.1%
- Asian, not Hispanic3.8%
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 12518 earn?
Median household income is $101,208 (ACS 2020-2024), the 17th highest of the 27 ranked ZIP codes in Orange County.
- Median household income
- $101,208±$13,269
- Income per person
- $50,853
- Below the poverty line
- 6.9%
- Unemployed (of the labor force)
- 2.5%
- Adults 25+ with a bachelor's degree
- 50.5%
- Adjusted gross income per tax return, 2022
- $105,5263,030 returns; wages 70% 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 12518?
FHFA's house price index for 12518, built from repeat sales and appraisals of the same homes, rose 101% from 2015 to 2025 and rose 61% from 2020 to 2025, and moved +6.7% in 2025.
- Median home value (owners' estimate)
- $432,000
- Median gross rent
- $1,819
- Homes owned by their occupants
- 68.1%
- Housing units
- 2,644
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 12518?
143 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services19
- Accommodation and food services17
- Other services (except public administration)17
- Health care and social assistance15
- Retail trade13
- Administrative and support and waste management and remediation services13
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 12518?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 12520 | Cornwall On Hudson | 3,081 | $137k | 2.6 mi |
| 12553 | New Windsor | 27,384 | $93k | 3.4 mi |
| 10930 | Highland Mills | 9,569 | $120k | 4.4 mi |
| 10953 | Mountainville | 22 | – | 1.9 mi (near) |
| 12577 | Salisbury Mills | 1,942 | $124k | 3.8 mi (near) |
| 10996 | West Point | 6,349 | $135k | 4.0 mi (near) |
| 10928 | Highland Falls | 5,071 | $102k | 5.2 mi (near) |
| 10922 | Fort Montgomery | 1,403 | $123k | 6.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.