Rensselaer, Indiana

Rensselaer population, 2020 to 2024

Rensselaer lost 86 residents from July 2020 to July 2024, a change of -1.5%. In the latest year it moved by -45. Among 126 Indiana places of 5,000 or more, that growth ranks 113th; the median place changed by +1.0%. The median place of 5,000+ in Indiana has 14,565 people, so Rensselaer is 39% of it.

Rensselaer covers 7.15 square miles of land, for 788 people per square mile of land. The median Indiana place of 5,000+ has 1,645, so Rensselaer is less dense than the typical town.

What county Rensselaer is in

All of Rensselaer's residents live in Jasper County, which had 33,387 residents in 2024. Rensselaer holds 16.9% 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: 47978. 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 40.950500, -87.153300. Indianapolis, the capital, is 97.0 miles SSE in a straight line. The nearest larger place is Lowell, IN (11,449 people), 27.3 miles away. The nearest city of 100,000 or more is Joliet, IL, 64.8 miles away.

Daylight in Rensselaer

At 40.95° N, Rensselaer gets about 15 h 07 min of daylight around the June solstice and 9 h 14 min around the December solstice, a swing of 5 h 54 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 Indiana, measured between internal points. The closest is Remington, 12.6 miles away, with 1,367 people.