There are 14 cities in Rensselaer County, New York.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Troy1New York50,25351,337-0.64%4,85210.36
Rensselaer2New York9,2369,210-0.07%2,9053.18
East Greenbush3New York6,5716,299 2,4672.66
Hampton Manor4New York5,3445,161 8,5640.62
Wynantskill5New York3,6833,420 1,5062.45
West Sand Lake6New York3,3043,391 7024.70
Hoosick Falls7New York3,0693,202-1.48%1,9211.60
Averill Park8New York1,6081,466 5482.93
Castleton-on-Hudson9New York1,4431,467-0.55%2,0210.71
Nassau10New York1,0701,102-0.83%1,5310.70
Poestenkill11New York754814 1285.88
Schaghticoke12New York544560-0.91%7180.76
East Nassau13New York508521-0.78%1044.86
Valley Falls14New York444457-0.89%9590.46
showing: 14 rows

Cities in Rensselaer County, New York by Population (2024)

What is the largest city in Rensselaer County, New York?

Troy is the largest city in Rensselaer County.

What is the smallest city in Rensselaer County, New York?

Valley Falls is the smallest city in Rensselaer County.

How many cities are in Rensselaer County?

There are 14 cities in Rensselaer County, New York.

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