Residential delivery area · New York
ZIP Code 12151: Round Lake, NY
ZIP code 12151 uses the postal name Round Lake, New York and lies entirely in Saratoga County (Census 2020 ZIP-county file). About 970 people live there (Census Bureau, ACS 2020-2024). Median household income is $98,309 (Census Bureau, ACS 2020-2024). By Census place, 39% of its land lies in Round Lake; 61% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- Round Lake · its only residential ZIP
- County
- Saratoga County
- Census places
- Round Lake
- Metro area
- Albany-Schenectady-Troy, NY
- House district
- NY-20 119th Congress
- State
- New York
- Time zone
- Eastern
- Land area
- 2.6 sq mi · 371 people per sq mi
Where is ZIP code 12151?
12151 centers on 42.923°, -73.781° and covers 2.6 square miles of land plus 0.2 of water. It borders 3 ZIP codes: 12118, 12065, 12019.
The map draws ZIP code areas only. For the streets inside 12151, 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 12151 compare with the rest of Saratoga County?
| Measure | 12151 | In Saratoga County | In NY |
|---|---|---|---|
| People (ACS 2020-2024) | 967 | 25th of 27 | 1,310th of 1,826 |
| Median household income | $98k | not ranked | not ranked |
| Median home value | $343k | not ranked | not ranked |
12151's income and home value are not ranked: it has fewer than 1,000 residents (967). 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 69% 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 12151?
The 2020 Census counted 957 people in 12151; the ACS, which samples households over 2020-2024, estimates 967. Between the 2010 and 2020 censuses its population grew 35.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 967±251 (90% margin)
- 2020 Census count
- 957+35.2% since 2010 (708)
- Households
- 453
- Median age
- 50.6
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 12151?
Of the 967 people the ACS estimates in 12151, 16.6% are under 18 and 25.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.2%).
- Under 1816.6%
- 18 to 6458.1%
- 65 and older25.2%
- White, not Hispanic89.2%
- Asian, not Hispanic5.9%
- Hispanic or Latino2.2%
- Black, not Hispanic1.8%
- Other or two or more0.9%
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 12151 earn?
Median household income is $98,309 (ACS 2020-2024). It is not measurably different from 2015-2019 ($117,791 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $98,309±$13,069
- Income per person
- $52,578
- Below the poverty line
- 2.5%
- Unemployed (of the labor force)
- 0.4%
- Adults 25+ with a bachelor's degree
- 53.8%
- Adjusted gross income per tax return, 2022
- $97,862530 returns; wages 63% 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 12151?
- Median home value (owners' estimate)
- $342,800
- Median gross rent
- $1,615
- Homes owned by their occupants
- 86.3%
- Housing units
- 496
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 12151?
36 business establishments had a location in this ZIP code in 2023, 6 more than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)8
- Wholesale trade7
- Construction6
- Retail trade3
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 12151?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 12118 | Mechanicville | 17,069 | $93k | 3.2 mi |
| 12065 | Clifton Park | 45,116 | $114k | 4.9 mi |
| 12019 | Ballston Lake | 15,555 | $112k | 5.2 mi |
| 12027 | Burnt Hills | 4,693 | $120k | 6.4 mi (near) |
| 12020 | Ballston Spa | 34,937 | $107k | 7.1 mi (near) |
| 12148 | Rexford | 4,023 | $142k | 7.4 mi (near) |
| 12008 | Alplaus | 422 | $126k | 8.0 mi (near) |
| 12170 | Stillwater | 5,351 | $103k | 7.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.