Rensselaer County, New York

Time zones in Rensselaer County

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ZIP Code areas, largest first

1. 1218053,479 people
2. 1214422,111 people
3. 1211817,069 people
4. 1218214,867 people
5. 120619,854 people
6. 120337,932 people
7. 121847,787 people
8. 120187,422 people
9. 121986,796 people
10. 120905,482 people
11. 121234,457 people
12. 121963,880 people

31 ZIP Code areas overlap Rensselaer County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Rensselaer County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Towns in Rensselaer County, largest first

1. Town of East Greenbush16,687 people
2. Town of North Greenbush13,297 people
3. Town of Schodack12,933 people
4. Town of Brunswick12,524 people
5. Town of Sand Lake8,326 people
6. Town of Schaghticoke7,359 people
7. Town of Hoosick6,671 people
8. Town of Pittstown5,474 people
9. Town of Nassau4,511 people
10. Town of Poestenkill4,327 people
11. Town of Stephentown2,774 people
12. Town of Berlin1,960 people

People counts are American Community Survey 2020–2024 5-year estimates. All towns in New York, by county

School districts in Rensselaer County, largest first

1. Troy City School District40,531 people
2. East Greenbush Central School District31,927 people
3. Averill Park Central School District18,773 people
4. Lansingburgh Central School District17,242 people
5. Kinderhook Central School District (Ichabod Crane)13,666 people
6. Mechanicville City School District10,147 people
7. Rensselaer City School District9,287 people
8. Brunswick Central School District (Brittonkill)8,745 people
9. Stillwater Central School District8,144 people
10. Hoosick Falls Central School District7,058 people
11. Cambridge Central School District6,979 people
12. Hoosic Valley Central School District6,954 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

1. Troy, New York (city)51,033 people
2. Rensselaer, New York (city)9,287 people
3. East Greenbush, New York (CDP)6,581 people
4. Hampton Manor, New York (CDP)5,334 people
5. Wynantskill, New York (CDP)3,487 people
6. West Sand Lake, New York (CDP)3,479 people
7. Hoosick Falls, New York (village)3,177 people
8. Averill Park, New York (CDP)1,615 people
9. Castleton-on-Hudson, New York (village)1,591 people
10. Nassau, New York (village)1,058 people
11. Nassau Lake, New York (CDP)830 people
12. Poestenkill, New York (CDP)744 people

Bordering areas, nearest first

Distances are straight lines between map points.

1. Albany County, New York25 mi west
2. Berkshire County, Massachusetts28 mi southeast
3. Bennington County, Vermont30 mi northeast
4. Saratoga County, New York32 mi northwest
5. Columbia County, New York32 mi south
6. Washington County, New York42 mi north
7. Greene County, New York44 mi southwest

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See this county on Census.gov ↗