Ohio · Census place 3914184

Chillicothe, Ohio

Chillicothe is a city in Ross County, Ohio with an estimated 21,769 residents on July 1, 2024. It is the 77th largest of 526 incorporated places of 1,000+ people in the state.

Population 2024
21,769
#77 of 526 in Ohio
Change since 2020
-1.2%
-272 people
Land area
10.5 sq mi
+ 0.17 sq mi water
Density
2,073 / sq mi
State median 2,000
Orange pin: Chillicothe. Shaded: its county. Dark pin: Columbus.

Chillicothe population, 2020 to 2024

Chillicothe lost 272 residents from July 2020 to July 2024, a change of -1.2%. In the latest year it moved by -84. Among 254 Ohio places of 5,000 or more, that growth ranks 177th; the median place changed by -0.4%. The median place of 5,000+ in Ohio has 13,905 people, so Chillicothe is 1.6 times that size.

22.0k202022.0k202121.9k202221.9k202321.8k2024
July 1 estimates. The April 2020 estimates base was 22,051. The axis starts above zero so yearly changes are visible.

Chillicothe covers 10.50 square miles of land and 0.17 of water, for 2,073 people per square mile of land. The median Ohio place of 5,000+ has 2,000, so Chillicothe is close to the typical town.

What county Chillicothe is in

All of Chillicothe's residents live in Ross County, which had 76,046 residents in 2024. Chillicothe holds 28.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Chillicothe

1 ZIP Code Tabulation Area (ZCTA) overlaps Chillicothe by at least 10% of the ZCTA's or the city's land: 45601. 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 Chillicothe is

The Census internal point of Chillicothe is at 39.340500, -82.996100. Columbus, the capital, is 42.9 miles N in a straight line. The nearest larger place is Lancaster, OH (41,671 people), 33.7 miles away. The nearest city of 100,000 or more is Columbus, OH, 44.4 miles away.

Internal point

Decimal
39.340500, -82.996100
DMS
39°20'25.80"N 82°59'45.96"W
UTM
17N 327978.8E 4356463.3N
Geohash
dnuzz3sp4
Plus code
86FV82R3+5H

Daylight in Chillicothe

At 39.34° N, Chillicothe gets about 14 h 57 min of daylight around the June solstice and 9 h 24 min around the December solstice, a swing of 5 h 33 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Chillicothe

The eight nearest incorporated places of 1,000+ in Ohio, measured between internal points. The closest is Kingston, 10.2 miles away, with 1,236 people.

Questions people ask

What is the population of Chillicothe, OH?

21,769 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 272 (1.2%) from 22,041 in July 2020.

What county is Chillicothe in?

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

What ZIP codes cover Chillicothe?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 45601.

How far is Chillicothe from Columbus?

42.9 miles (69.1 km) in a straight line, heading N from Chillicothe.

What is the nearest larger city to Chillicothe?

Lancaster, OH, with 41,671 residents, 33.7 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.