Cincinnati, Ohio

Cincinnati population, 2020 to 2024

Cincinnati added 5,311 residents from July 2020 to July 2024, a change of +1.7%. In the latest year it moved by +2,212. Among 254 Ohio places of 5,000 or more, that growth ranks 56th; the median place changed by -0.4%. The median place of 5,000+ in Ohio has 13,905 people, so Cincinnati is 22.6 times that size.

Cincinnati covers 77.91 square miles of land and 1.72 of water, for 4,042 people per square mile of land. The median Ohio place of 5,000+ has 2,000, so Cincinnati is denser than the typical town.

What county Cincinnati is in

All of Cincinnati's residents live in Hamilton County, which had 837,359 residents in 2024. Cincinnati holds 37.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Cincinnati

29 ZIP Code Tabulation Areas (ZCTAs) overlap Cincinnati by at least 10% of the ZCTA's or the city's land: 45202, 45203, 45204, 45205, 45206, 45207, 45208, 45209, 45211, 45212, 45213, 45214, 45216, 45217, 45219, 45220, 45223, 45224, 45225, 45226, 45227, 45229, 45230, 45232, 45233, 45237, 45238, 45239, 45267. 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 Cincinnati is

The Census internal point of Cincinnati is at 39.140200, -84.505800. Columbus, the capital, is 98.2 miles NE in a straight line. The nearest larger place is Lexington-Fayette, KY (329,437 people), 76.0 miles away. The nearest city of 100,000 or more is Dayton, OH, 47.4 miles away. The ground at the internal point is about 232 m (761 ft) above sea level.

Daylight in Cincinnati

At 39.14° N, Cincinnati gets about 14 h 55 min of daylight around the June solstice and 9 h 25 min around the December solstice, a swing of 5 h 31 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the Cincinnati daylight page.

Places near Cincinnati

The eight nearest incorporated places of 1,000+ in Ohio, measured between internal points. The closest is St. Bernard, 2.3 miles away, with 3,976 people.