Princeton, Illinois

Princeton population, 2020 to 2024

Princeton lost 179 residents from July 2020 to July 2024, a change of -2.3%. In the latest year it moved by -58. Among 330 Illinois places of 5,000 or more, that growth ranks 234th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Princeton is 52% of it.

Princeton covers 8.24 square miles of land, for 930 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Princeton is less dense than the typical town.

What county Princeton is in

All of Princeton's residents live in Bureau County, which had 32,486 residents in 2024. Princeton holds 23.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Princeton

1 ZIP Code Tabulation Area (ZCTA) overlaps Princeton by at least 10% of the ZCTA's or the city's land: 61356. 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 Princeton is

The Census internal point of Princeton is at 41.380600, -89.464100. Springfield, the capital, is 111.0 miles S in a straight line. The nearest larger place is Peru, IL (9,793 people), 16.9 miles away. The nearest city of 100,000 or more is Peoria, IL, 44.2 miles away.

Daylight in Princeton

At 41.38° N, Princeton gets about 15 h 10 min of daylight around the June solstice and 9 h 11 min around the December solstice, a swing of 5 h 59 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Princeton

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is De Pue, 9.0 miles away, with 1,573 people.