• county
  • FIPS 39139
  • Largest town: Mansfield

Richland County, Ohio

Richland County had 124,853 residents in the Census Vintage 2024 estimate, on 495.2 square miles of land. It ranks 23rd of 88 in Ohio by population and 26th by land area.

Population
124,853
#23 of 88 in Ohio · #522 in US
Area
495.2 sq mi
#26 of 88 in Ohio · #2,101 in US
Density
252 / sq mi
#24 of 88 in Ohio · #496 in US
Median household income
$57,261
#69 of 88 in Ohio · #2,104 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Richland County within Ohio. Pin: Columbus.

Measure from here

Tools and pages that start from Richland County

Richland County population, land area and income

Richland County had 124,853 residents in the Census Vintage 2024 estimate, on 495.2 square miles of land. It ranks 23rd of 88 in Ohio by population and 26th by land area. That works out to 252.1 people per square mile, 2.6 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in Ohio has 58,250 residents, so Richland County is 2.1 times that size.

Its SAIPE 2023 median household income of $57,261 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

124,853

3144th1st

522nd of 3,144 (US)

Land area

495 sq mi

3144th1st

2101st of 3,144 (US)

Density

252.1 / sq mi

3144th1st

496th of 3,144 (US)

Median household income

$57,261

3143rd1st

2104th of 3,143 (US)

Rank within Ohio (88)

Population

124,853

88th1st

23rd of 88 (OH)

Land area

495 sq mi

88th1st

26th of 88 (OH)

Density

252.1 / sq mi

88th1st

24th of 88 (OH)

Median household income

$57,261

88th1st

69th of 88 (OH)

How Richland County's population changed since 2020

Richland County lost 135 residents between the July 2020 and July 2024 estimates, a drop of 0.1%. That ranks 42nd of 88 in Ohio for growth. The median Ohio county changed by -0.2%, and the state as a whole by +0.7%.

Since the April 2020 estimates base, Richland County recorded 5,714 births and 7,376 deaths, a natural change of -1,662. Net international migration added +389 and net domestic migration, people moving to or from other US counties, came to +1,157. The largest single component was natural change, which removed 1,662 people.

125.0k2020125.4k2021125.3k2022125.0k2023124.9k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
5,714
Deaths
7,376
Net international migration
+389
Net domestic migration
+1,157
Change, July 2023 to July 2024
-150

Where Richland County is

The Census internal point of Richland County is at 40.774200, -82.542800. It sits in UTM zone 17N. The map shades Ohio's 88 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Richland County outlined. Dots are towns of 1,000+ people with residents in it.

Shelby County: -0.4%Defiance County: +1.0%Darke County: -0.8%Seneca County: -0.6%Wood County: +0.6%Fayette County: -0.7%Clark County: -0.7%Hocking County: -2.2%Jackson County: +0.2%Miami County: +2.7%Richland County: -0.1%Union County: +13.7%Auglaize County: -1.2%Hancock County: +0.1%Morgan County: -1.6%Van Wert County: -0.1%Hardin County: -1.0%Paulding County: -0.3%Portage County: +1.2%Delaware County: +10.6%Harrison County: -3.1%Ross County: -1.3%Crawford County: -0.9%Clinton County: -0.0%Henry County: -0.5%Pike County: -0.0%Cuyahoga County: -1.7%Highland County: +1.0%Knox County: +1.7%Ottawa County: -1.5%Huron County: -0.6%Erie County: -2.2%Holmes County: +1.0%Lawrence County: -4.0%Marion County: -0.6%Fairfield County: +5.2%Putnam County: -0.6%Guernsey County: -0.5%Vinton County: -2.1%Gallia County: -1.2%Trumbull County: -0.7%Wayne County: -0.2%Perry County: +0.6%Ashland County: -0.1%Fulton County: -1.4%Brown County: +1.4%Lucas County: -1.1%Stark County: -0.1%Medina County: +1.1%Belmont County: -2.4%Williams County: -1.4%Mahoning County: -1.0%Noble County: +1.1%Greene County: +2.5%Preble County: -0.5%Allen County: -1.2%Athens County: +1.3%Jefferson County: -2.0%Adams County: +0.8%Monroe County: -2.3%Washington County: -2.2%Logan County: -0.1%Franklin County: +2.4%Warren County: +5.3%Wyandot County: -2.1%Licking County: +3.4%Hamilton County: +0.8%Clermont County: +2.6%Butler County: +2.2%Coshocton County: +1.1%Geauga County: -0.0%Sandusky County: -0.0%Ashtabula County: -0.6%Carroll County: -0.9%Tuscarawas County: -1.2%Morrow County: +2.7%Montgomery County: +0.1%Mercer County: +0.3%Lake County: -0.1%Pickaway County: +6.0%Madison County: +3.8%Muskingum County: +0.1%Meigs County: -3.0%Columbiana County: -1.8%Lorain County: +2.7%Scioto County: -2.8%Champaign County: +0.4%Summit County: -0.3%
Change 2020 to 2024
  1. < -1.4%
  2. < -0.6%
  3. < -0.0%
  4. < +1.1%
  5. ≥ +1.1%
no data

Orange pin: Richland County internal point. Dark pin: Columbus.

Internal point

Decimal
40.774200, -82.542800
DMS
40°46'27.12"N 82°32'34.08"W
UTM
17N 369804.0E 4514836.5N
Geohash
dpjrcwwnv
Plus code
86GVQFF4+MV

Towns in Richland County

7 incorporated places of 1,000+ people have residents in Richland County, 71,225 people together, or 57% of the county. Each figure counts only the part of the town inside Richland County; towns marked "part" extend into another county. The largest is Mansfield with 47,593.

  1. 01Mansfield47,593
  2. 02Shelby9,238
  3. 03Ontario6,648
  4. 04Lexington4,832
  5. 05Bellville1,995
  6. 06Plymouth (part)900
  7. 07Crestline (part)19
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Richland County

The Census 2024 county adjacency file lists 5 neighbors for Richland County. The most populous is Knox County, OH, with 63,848 residents. Distances run between Census internal points in a straight line.

Distance to Columbus and the nearest big city

Columbus is 61.1 miles SSW of Richland County's internal point in a straight line. The nearest place of 100,000 or more is Akron, OH (population 189,664), 57.4 miles away. The nearest place of 10,000 or more is Mansfield, OH (population 47,593), 0.8 miles away.

Richland County FIPS code

The FIPS code of Richland County is 39139: state code 39 for Ohio plus county code 139. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $57,261.

Questions people ask

What is the population of Richland County, Ohio?

The Census Vintage 2024 estimate for July 1, 2024 is 124,853. That is down 135 people (0.1%) from the July 2020 estimate of 124,988.

What is the FIPS code of Richland County?

39139. The first two digits (39) are Ohio; the last three (139) identify the county.

What is the largest town in Richland County?

Mansfield, with 47,593 residents inside Richland County in 2024.

Which counties border Richland County?

5 county-equivalents border it in the Census 2024 adjacency file: Knox County, OH; Huron County, OH; Ashland County, OH; Crawford County, OH; Morrow County, OH.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.