Map of Rensselaer County Map, New York

Written and Fact-checked by | Updated On: September 17, 2025, 14:10 ET

Map of Rensselaer County - Rensselaer County is a county located in the U.S. state of New York. Rensselaer County Map showing cities, highways, important places and water bodies. Get Where is Rensselaer County located in the map, major cities in Rensselaer county, population, areas, and places of interest.

Map of Rensselaer County, New York

Map of Rensselaer County, New York

About Rensselaer County Map, New York: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.

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About Rensselaer County, New York

Rensselaer County is a county located in the U.S. state of New York. It's county seat is Troy. As per 2020 census, the population of Rensselaer County is 160232 people and population density is 240.95 square miles. According to the United States Census Bureau, the county has a total area of 665 sq mi (1,722 km2). Rensselaer County was established on 1791.

Facts about Rensselaer County, New York

CountryUnited States
StateNew York
RegionCapital District / Eastern New York
County SeatTroy
Founded1791
Named ForFamily of Kiliaen van Rensselaer, Dutch patroon
Coordinates~42.72° N, 73.82° W
Total Area~665 sq mi (652 sq mi land, 13 sq mi water)
Water %~1.9%
Population (2020)~161,130
Estimated Population (2023)~160,341
Population Density~247/sq mi (land area)
Largest CityEast Greenbush (largest by population)
Other Cities & TownsTroy, Rensselaer, Brunswick, East Greenbush, North Greenbush, Sand Lake, Hoosick
Main IndustriesServices, Education, Healthcare, Technology, Manufacturing
Major HighwaysI‑90, U.S. 4, NY‑7
Time ZoneEastern Time (UTC−05:00)
Known ForHudson River valley, historic Troy architecture, Rensselaer Polytechnic Institute (RPI), rural landscapes
Websitehttps://www.rensco.com/

Top Attractions in Rensselaer County, New York

  • New York State Capitol (nearby) – Historic government building.
  • Hudson River Waterfront – Scenic river views and parks.
  • Rensselaer Polytechnic Institute Campus – Historic college grounds.
  • Crailo State Historic Site – Dutch colonial history museum.
  • Cherry Plain State Park – Lake, camping, and trails.
  • Poestenkill Gorge Park – Waterfalls and hiking trails.
  • Peebles Island State Park – River island nature park.
  • Schodack Island State Park – Hudson River camping and trails.
  • Troy Waterfront Farmers Market – Popular local market.
  • Oakwood Cemetery – Historic hillside cemetery.
  • Burden Iron Works Museum – Industrial history exhibits.
  • Hoosic River – Fishing and paddling river.

Cities & Towns in Rensselaer County, New York

Troy, Rensselaer, East Greenbush, North Greenbush, Hoosick, Schodack, Nassau, Poestenkill, Pittstown, Brunswick, Sand Lake, Petersburgh, Berlin, Grafton, Poestenkill Center, Stephentown, Sand Lake Village