• county
  • FIPS 39149
  • Largest town: Sidney

Shelby County, Ohio

Shelby County had 47,952 residents in the Census Vintage 2024 estimate, on 407.7 square miles of land. It ranks 50th of 88 in Ohio by population and 68th by land area.

Population
47,952
#50 of 88 in Ohio · #1,036 in US
Area
407.7 sq mi
#68 of 88 in Ohio · #2,482 in US
Density
118 / sq mi
#47 of 88 in Ohio · #806 in US
Median household income
$67,351
#40 of 88 in Ohio · #1,175 in US

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

Shelby County within Ohio. Pin: Columbus.

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Tools and pages that start from Shelby County

Shelby County population, land area and income

Shelby County had 47,952 residents in the Census Vintage 2024 estimate, on 407.7 square miles of land. It ranks 50th of 88 in Ohio by population and 68th by land area. That works out to 117.6 people per square mile, 1.2 times the US average of 96.3, and above the national county median.

The median county-equivalent in Ohio has 58,250 residents; Shelby County is somewhat smaller.

Its SAIPE 2023 median household income of $67,351 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

47,952

3144th1st

1036th of 3,144 (US)

Land area

408 sq mi

3144th1st

2482nd of 3,144 (US)

Density

117.6 / sq mi

3144th1st

806th of 3,144 (US)

Median household income

$67,351

3143rd1st

1175th of 3,143 (US)

Rank within Ohio (88)

Population

47,952

88th1st

50th of 88 (OH)

Land area

408 sq mi

88th1st

68th of 88 (OH)

Density

117.6 / sq mi

88th1st

47th of 88 (OH)

Median household income

$67,351

88th1st

40th of 88 (OH)

How Shelby County's population changed since 2020

Shelby County lost 202 residents between the July 2020 and July 2024 estimates, a drop of 0.4%. That ranks 48th 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, Shelby County recorded 2,536 births and 2,435 deaths, a natural change of +101. Net international migration added +186 and net domestic migration, people moving to or from other US counties, came to -577. The largest single component was domestic migration, which removed 577 people.

48.2k202048.0k202147.7k202247.8k202348.0k2024
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
2,536
Deaths
2,435
Net international migration
+186
Net domestic migration
-577
Change, July 2023 to July 2024
+167

Where Shelby County is

The Census internal point of Shelby County is at 40.336700, -84.204100. It sits in UTM zone 16N. The map shades Ohio's 88 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Shelby 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: Shelby County internal point. Dark pin: Columbus.

Internal point

Decimal
40.336700, -84.204100
DMS
40°20'12.12"N 84°12'14.76"W
UTM
16N 737496.3E 4468881.1N
Geohash
dphj7zh6q
Plus code
86GQ8QPW+M9

Towns in Shelby County

5 incorporated places of 1,000+ people have residents in Shelby County, 26,067 people together, or 54% of the county. Each figure counts only the part of the town inside Shelby County; towns marked "part" extend into another county. The largest is Sidney with 20,392.

  1. 01Sidney20,392
  2. 02Fort Loramie1,589
  3. 03Anna1,465
  4. 04Jackson Center1,438
  5. 05Botkins1,183
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Shelby County

The Census 2024 county adjacency file lists 6 neighbors for Shelby County. The most populous is Miami County, OH, with 111,950 residents. Distances run between Census internal points in a straight line.

Distance to Columbus and the nearest big city

Columbus is 68.6 miles ESE of Shelby County's internal point in a straight line. The nearest place of 100,000 or more is Dayton, OH (population 136,346), 38.2 miles away. The nearest place of 10,000 or more is Sidney, OH (population 20,392), 3.8 miles away.

Shelby County FIPS code

The FIPS code of Shelby County is 39149: state code 39 for Ohio plus county code 149. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $67,351.

Questions people ask

What is the population of Shelby County, Ohio?

The Census Vintage 2024 estimate for July 1, 2024 is 47,952. That is down 202 people (0.4%) from the July 2020 estimate of 48,154.

What is the FIPS code of Shelby County?

39149. The first two digits (39) are Ohio; the last three (149) identify the county.

What is the largest town in Shelby County?

Sidney, with 20,392 residents inside Shelby County in 2024.

Which counties border Shelby County?

6 county-equivalents border it in the Census 2024 adjacency file: Miami County, OH; Darke County, OH; Logan County, OH; Auglaize County, OH; Mercer County, OH; Champaign 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.