New York · Census place 3661148

Rensselaer, New York

Rensselaer is a city in Rensselaer County, New York with an estimated 9,453 residents on July 1, 2024. It is the 97th largest of 419 incorporated places of 1,000+ people in the state.

Population 2024
9,453
#97 of 419 in New York
Change since 2020
+2.7%
+248 people
Land area
3.2 sq mi
+ 0.33 sq mi water
Density
2,982 / sq mi
State median 3,760
Orange pin: Rensselaer. Shaded: its county. Dark pin: Albany.

Rensselaer population, 2020 to 2024

Rensselaer added 248 residents from July 2020 to July 2024, a change of +2.7%. In the latest year it moved by +121. Among 170 New York places of 5,000 or more, that growth ranks 20th; the median place changed by -0.5%. The median place of 5,000+ in New York has 10,324 people, so Rensselaer is 92% of it.

9,20520209,23320219,22320229,33220239,4532024
July 1 estimates. The April 2020 estimates base was 9,213. The axis starts above zero so yearly changes are visible.

Rensselaer covers 3.17 square miles of land and 0.33 of water, for 2,982 people per square mile of land. The median New York place of 5,000+ has 3,760, so Rensselaer is less dense than the typical town.

What county Rensselaer is in

All of Rensselaer's residents live in Rensselaer County, which had 160,749 residents in 2024. Rensselaer holds 5.9% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Rensselaer

1 ZIP Code Tabulation Area (ZCTA) overlaps Rensselaer by at least 10% of the ZCTA's or the city's land: 12144. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Rensselaer is

The Census internal point of Rensselaer is at 42.645700, -73.732500. Albany, the capital, is 1.3 miles WNW in a straight line. The nearest larger place is Albany, NY (101,317 people), 3.6 miles away.

Internal point

Decimal
42.645700, -73.732500
DMS
42°38'44.52"N 73°43'57.00"W
UTM
18N 603904.2E 4722250.3N
Geohash
dredd5mth
Plus code
87J8J7W8+7X

Daylight in Rensselaer

At 42.65° N, Rensselaer gets about 15 h 19 min of daylight around the June solstice and 9 h 03 min around the December solstice, a swing of 6 h 17 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Rensselaer

The eight nearest incorporated places of 1,000+ in New York, measured between internal points. The closest is Menands, 3.2 miles away, with 4,501 people.

Questions people ask

What is the population of Rensselaer, NY?

9,453 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 248 (2.7%) from 9,205 in July 2020.

What county is Rensselaer in?

Rensselaer County. All of its residents live in that county.

What ZIP codes cover Rensselaer?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 12144.

How far is Rensselaer from Albany?

1.3 miles (2.2 km) in a straight line, heading WNW from Rensselaer.

What is the nearest larger city to Rensselaer?

Albany, NY, with 101,317 residents, 3.6 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.