Residential delivery area · New York
ZIP Code 12140: Poestenkill, NY
ZIP code 12140 is in Poestenkill, New York, entirely in Rensselaer County (Census 2020 ZIP-county file). About 1,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $138,393 (Census Bureau, ACS 2020-2024). By Census place, 62% of its land lies in Poestenkill (a census-designated place); 38% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Poestenkill · its only residential ZIP
- County
- Rensselaer County
- Census places
- Poestenkill census-designated place
- Metro area
- Albany-Schenectady-Troy, NY
- House district
- NY-19 119th Congress
- State
- New York
- Time zone
- Eastern
- Land area
- 7.2 sq mi · 211 people per sq mi
Where is ZIP code 12140?
12140 centers on 42.682°, -73.572° and covers 7.2 square miles of land plus 0.0 of water. It borders 4 ZIP codes: 12198, 12018, 12180, 12052.
The map draws ZIP code areas only. For the streets inside 12140, 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 12140 compare with the rest of Rensselaer County?
| Measure | 12140 | In Rensselaer County | In NY |
|---|---|---|---|
| People (ACS 2020-2024) | 1,512 | 23rd of 30 | 1,163rd of 1,826 |
| Median household income | $138k | not ranked | not ranked |
| Median home value | $302k | 6th of 23 | 563rd of 1,172 |
12140's median household income is not ranked: its 90% margin of error (±$34,911) is more than a quarter of the figure ($138,393). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 63% of 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 12140?
The 2020 Census counted 1,639 people in 12140; the ACS, which samples households over 2020-2024, estimates 1,512. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,512±295 (90% margin)
- 2020 Census count
- 1,639
- Households
- 649
- Median age
- 49.4
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 12140?
Of the 1,512 people the ACS estimates in 12140, 12.2% are under 18 and 16.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (86.7%).
- Under 1812.2%
- 18 to 6471.4%
- 65 and older16.4%
- White, not Hispanic86.7%
- Black, not Hispanic4.9%
- Other or two or more3.6%
- Hispanic or Latino2.8%
- Asian, not Hispanic2.0%
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 12140 earn?
Median household income is $138,393 (ACS 2020-2024).
- Median household income
- $138,393±$34,911
- Income per person
- $59,731
- Below the poverty line
- 9.1%
- Unemployed (of the labor force)
- 1.4%
- Adults 25+ with a bachelor's degree
- 51.4%
- Adjusted gross income per tax return, 2022
- $87,614900 returns; wages 73% 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 12140?
FHFA's house price index for 12140, built from repeat sales and appraisals of the same homes, rose 72% from 2015 to 2025 and rose 27% from 2020 to 2025.
- Median home value (owners' estimate)
- $301,600
- Median gross rent
- –
- Homes owned by their occupants
- 96.8%
- Housing units
- 675
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 12140?
19 business establishments had a location in this ZIP code in 2023, 5 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction3
- Retail trade3
- Other services (except public administration)3
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 12140?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 12198 | Wynantskill | 6,796 | $113k | 3.2 mi |
| 12018 | Averill Park | 7,422 | $127k | 4.5 mi |
| 12180 | Troy | 53,479 | $76k | 4.8 mi |
| 12052 | Cropseyville | 1,915 | $118k | 7.0 mi |
| 12196 | West Sand Lake | 3,880 | $111k | 4.1 mi (near) |
| 12153 | Sand Lake | 669 | $90k | 6.1 mi (near) |
| 12061 | East Greenbush | 9,854 | $111k | 7.2 mi (near) |
| 12183 | Troy | 2,970 | $59k | 7.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.