Hamilton, Ohio

Hamilton population, 2020 to 2024

Hamilton added 534 residents from July 2020 to July 2024, a change of +0.8%. In the latest year it moved by +437. Among 254 Ohio places of 5,000 or more, that growth ranks 74th; the median place changed by -0.4%. The median place of 5,000+ in Ohio has 13,905 people, so Hamilton is 4.6 times that size.

Hamilton covers 21.47 square miles of land and 0.44 of water, for 2,979 people per square mile of land. The median Ohio place of 5,000+ has 2,000, so Hamilton is denser than the typical town.

What county Hamilton is in

All of Hamilton's residents live in Butler County, which had 399,542 residents in 2024. Hamilton holds 16.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Hamilton

3 ZIP Code Tabulation Areas (ZCTAs) overlap Hamilton by at least 10% of the ZCTA's or the city's land: 45011, 45013, 45015. 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 Hamilton is

The Census internal point of Hamilton is at 39.394300, -84.565500. Columbus, the capital, is 92.0 miles ENE in a straight line. The nearest larger place is Cincinnati, OH (314,915 people), 17.8 miles away.

Daylight in Hamilton

At 39.39° N, Hamilton gets about 14 h 57 min of daylight around the June solstice and 9 h 23 min around the December solstice, a swing of 5 h 34 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Hamilton

The eight nearest incorporated places of 1,000+ in Ohio, measured between internal points. The closest is New Miami, 2.9 miles away, with 2,276 people.