Rensselaer County, New York
Rensselaer County: county in New York, United States
About
Rensselaer County is a county located in the U.S. state of New York. As of the 2010 census, the population was 159,429 and a population density of 93 people per km². After 10 years in 2020 county had an estimated population of 158,108 inhabitants. Its county seat is Troy. The county was created 235 years ago in 1791.
County Snapshot
Rensselaer County at a glance
Rensselaer County currently has 22 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
22
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
New York counties
61
Open related pagesLargest city
TroyPopulation 48,804
Top linked places
Quick Facts about Rensselaer County
| Population | 158,108 (2020) |
| Country | United States of America |
| State | New York (United States) |
| Area | 1723 km2 |
| Water as percent of area | 1.9% |
| Land as percent of area | 98.1% |
| Latitude & Longitude | 42.7111,-73.5097 |
| Named for | Kiliaen van Rensselaer |
| Altitude | 1,450 feet / 442 meters |
| Capital | Troy |
| Establishment | February 07, 1791 |
| Time Zone | America/New_York |
| Local time | 07:29:23 (19th April 2026) |
| Density | 92 Pop. per km² as of 2020 |
| Population growth | -0.84% (2010-2020) |
| Weather | 55℉ Rain Showers Likely 7-days weather |
Geography
Rensselaer County is located at 42°42'40"N 73°30'35"W (42.7110500, -73.5097200). It has 6 neighbors: Berkshire County, Columbia County, Greene County, Saratoga County, Washington County and Bennington County.
Rensselaer County map
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The largest city of Rensselaer County is Troy with a population of 48,804. Other cities include, East Greenbush population 16,127, Stony Point population 15,289, Brunswick population 13,048 and Rensselaer population 9,142. See all Rensselaer County cities & populated places.
Rensselaer County Populated Places (more)
Cities, towns, neighborhoods & other populated places in Rensselaer County.
| City Name | Population | Title |
|---|---|---|
| Troy | 48,804 | The most populous city in Rensselaer County, New York. |
| East Greenbush | 16,127 | Town in New York state |
| Stony Point | 15,289 | Town in Rockland County, New York, United States |
| Brunswick | 13,048 | Town in New York |
| Rensselaer | 9,142 | City in Indiana |
| Sand Lake | 8,422 | Town in Rensselaer County, New York, United States |
| Schaghticoke | 7,454 | Village in New York, USA |
| Hoosick | 6,711 | Town in New York, United States |
| Pittstown | 5,144 | Town in New York |
| Nassau | 4,743 | Town in Rensselaer County, New York, United States |
| Poestenkill | 4,479 | Town in New York, USA |
| Hoosick Falls | 3,336 | Town |
| Wynantskill | 3,276 | Census-designated place in Rensselaer County, New York |
| Stephentown | 2,861 | City in Rensselaer County, New York, United States of America |
| West Sand Lake | 2,660 | Census-designated place in Rensselaer County, New York |
| Hampton Manor | 2,417 | Census-designated place in Rensselaer County, New York |
Weather
Rain showers likely. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
7-Day ForecastOfficial website of Rensselaer County
Official Website- Troy
Demographics
According to census records, the population of Rensselaer County decreased by 0.84% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 159,429 | - | census |
| 2011 | 159,589 | 0.1% | estimation process |
| 2012 | 159,437 | -0.1% | estimation process |
| 2013 | 159,545 | 0.07% | estimation process |
| 2014 | 159,666 | 0.08% | estimation process |
| 2015 | 159,436 | -0.14% | estimation process |
| 2016 | 159,294 | -0.09% | estimation process |
| 2017 | 159,200 | -0.06% | estimation process |
| 2018 | 159,283 | 0.05% | estimation process |
| 2019 | 158,714 | -0.36% | estimation process |
| 2020 | 158,108 | -0.38% | estimation process |
People born in Rensselaer County (12)
People born in Rensselaer County, including sculptor Edmonia Lewis, Jacob Ruiter, politician Moss Kent, .
More notable people
- Alson Streeter (American politician) he was born in 18/01/1823
- James W. Larrabee (American Civil War Medal of Honor recipient) he was born in 01/01/1839
- Melvin Amos Halsted (Founder of Lowell, Indiana) he was born in 29/03/1821
- John E. Thomas (American politician) he was born in 27/11/1829
- Christopher C. Yates (American physician) he was born in 01/05/1779
- Patrick Conway (American bandleader) he was born in 04/07/1867
- Lewis T. Miller (American politician) he was born in 11/06/1787
- William R. Traver (American politician) he was born in 26/10/1818
- Maria M. Smith Herrick (American writer and social reformer) she was born in 01/01/1798
New York Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| New York City | 8,398,748 | The most populous city in the United States and the center of the New York metropolitan area. |
| Brooklyn | 2,577,000 | A borough of New York City. |
| Queens | 2,339,150 | The most populous borough of New York City. |
| Queens County | 2,225,821 | County in New York, United States |
| Manhattan | 1,644,518 | The most densely populated borough of New York City. |
| New York County | 1,611,989 | County in New York state, United States of America |
| Suffolk County | 1,474,273 | County in New York, United States |
| The Bronx | 1,455,720 | The fourth most populous borough of New York City. |
| Bronx County | 1,401,142 | Borough of New York City, United States |
| Nassau County | 1,351,334 | County in New York, United States |
| Westchester County | 965,802 | County in New York, United States. |
| Erie County | 917,241 | County in New York, United States |
| Hempstead | 764,055 | Located in Nassau County, New York, this hamlet and village is a major commercial and transportation hub. |
| Monroe County | 740,900 | County in Florida, United States |
| Brookhaven | 479,883 | This town in Suffolk County, New York, is the most populous in the state. |
| Richmond County | 475,327 | County in Georgia, United States |