• county
  • FIPS 21183
  • Largest town: Beaver Dam

Ohio County, Kentucky

Ohio County had 23,933 residents in the Census Vintage 2024 estimate, on 587.1 square miles of land. It ranks 49th of 120 in Kentucky by population and 5th by land area.

Population
23,933
#49 of 120 in Kentucky · #1,652 in US
Area
587.1 sq mi
#5 of 120 in Kentucky · #1,671 in US
Density
41 / sq mi
#84 of 120 in Kentucky · #1,660 in US
Median household income
$55,512
#60 of 120 in Kentucky · #2,279 in US

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

Ohio County within Kentucky. Pin: Frankfort.

Measure from here

Tools and pages that start from Ohio County

Ohio County population, land area and income

Ohio County had 23,933 residents in the Census Vintage 2024 estimate, on 587.1 square miles of land. It ranks 49th of 120 in Kentucky by population and 5th by land area. That works out to 40.8 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Kentucky has 19,740 residents; Ohio County is somewhat larger.

Its SAIPE 2023 median household income of $55,512 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

23,933

3144th1st

1652nd of 3,144 (US)

Land area

587 sq mi

3144th1st

1671st of 3,144 (US)

Density

40.8 / sq mi

3144th1st

1660th of 3,144 (US)

Median household income

$55,512

3143rd1st

2279th of 3,143 (US)

Rank within Kentucky (120)

Population

23,933

120th1st

49th of 120 (KY)

Land area

587 sq mi

120th1st

5th of 120 (KY)

Density

40.8 / sq mi

120th1st

84th of 120 (KY)

Median household income

$55,512

120th1st

60th of 120 (KY)

How Ohio County's population changed since 2020

Ohio County gained 189 residents between the July 2020 and July 2024 estimates, a rise of 0.8%. That ranks 70th of 120 in Kentucky for growth. The median Kentucky county changed by +1.4%, and the state as a whole by +1.8%.

Since the April 2020 estimates base, Ohio County recorded 1,085 births and 1,485 deaths, a natural change of -400. Net international migration added +359 and net domestic migration, people moving to or from other US counties, came to +201. The largest single component was natural change, which removed 400 people.

23.7k202023.7k202123.5k202223.7k202323.9k2024
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
1,085
Deaths
1,485
Net international migration
+359
Net domestic migration
+201
Change, July 2023 to July 2024
+214

Where Ohio County is

The Census internal point of Ohio County is at 37.477900, -86.844900. It sits in UTM zone 16N. The map shades Kentucky's 120 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Ohio County outlined. Dots are towns of 1,000+ people with residents in it.

Adair County: +1.9%Kenton County: +3.3%Owen County: +1.2%Morgan County: +4.1%Bracken County: +1.1%Edmonson County: +4.0%Trigg County: +3.4%Jackson County: +3.0%Spencer County: +6.8%Clark County: +1.7%Jessamine County: +6.6%Green County: +3.8%Henry County: +3.2%Graves County: +0.8%Webster County: -1.3%Washington County: +1.9%Ohio County: +0.8%Knott County: -5.1%Meade County: +1.4%Carroll County: +2.5%Scott County: +7.2%Lincoln County: +2.7%Greenup County: -1.7%Boyle County: +2.1%Hardin County: +1.8%Nelson County: +4.1%Hart County: +3.2%Christian County: -2.4%Carlisle County: -0.6%Crittenden County: -0.2%Elliott County: -1.0%Garrard County: +6.3%Larue County: +1.7%Lee County: -0.7%Leslie County: -7.1%Hancock County: -1.0%Lewis County: -1.6%Lyon County: +4.6%McLean County: -0.1%Magoffin County: -4.2%Martin County: -4.9%Mason County: -1.1%Rockcastle County: +1.0%Menifee County: +3.2%Russell County: +2.6%Whitley County: +1.5%Todd County: +3.9%Union County: -3.5%Wolfe County: -2.9%Bell County: -3.9%Boyd County: -0.9%Butler County: +1.9%Metcalfe County: +2.7%Grant County: +2.8%Simpson County: +3.7%Pike County: -5.2%Gallatin County: +1.5%Harlan County: -6.4%Fayette County: +2.1%Logan County: +3.5%Muhlenberg County: -1.2%Bath County: +1.8%Mercer County: +3.8%Barren County: +2.5%Franklin County: +1.6%Bullitt County: +4.2%Boone County: +5.6%Campbell County: +0.9%Jefferson County: +1.4%Wayne County: +0.4%Ballard County: -1.1%Anderson County: +4.1%Pulaski County: +2.7%Knox County: -1.7%Laurel County: +1.0%Breckinridge County: +3.8%Oldham County: +4.2%Letcher County: -6.2%Lawrence County: -3.1%McCracken County: -0.6%Nicholas County: +3.7%Owsley County: -2.6%Powell County: -1.3%Bourbon County: +0.2%Calloway County: +3.7%Henderson County: -1.1%Clinton County: -0.5%Warren County: +9.6%Montgomery County: +2.4%Floyd County: -3.5%Woodford County: +3.1%Hopkins County: -0.3%Johnson County: -2.4%Marshall County: +0.1%Estill County: -1.1%Cumberland County: +3.2%Fleming County: +3.3%Madison County: +7.1%Carter County: -1.9%Allen County: +7.1%Daviess County: +1.0%Harrison County: +4.3%Perry County: -5.7%Fulton County: -3.5%Clay County: -3.5%Robertson County: +9.1%Trimble County: +1.5%Taylor County: +3.1%Shelby County: +3.9%McCreary County: -0.2%Breathitt County: -6.5%Livingston County: -0.6%Hickman County: -3.0%Rowan County: -0.2%Casey County: +0.2%Monroe County: -1.4%Marion County: +1.3%Grayson County: +2.3%Caldwell County: -0.2%Pendleton County: +1.3%
Change 2020 to 2024
  1. < -1.6%
  2. < +0.2%
  3. < +1.9%
  4. < +3.7%
  5. ≥ +3.7%
no data

Orange pin: Ohio County internal point. Dark pin: Frankfort.

Internal point

Decimal
37.477900, -86.844900
DMS
37°28'40.44"N 86°50'41.64"W
UTM
16N 513713.3E 4147900.8N
Geohash
dndjpy9kx
Plus code
869MF5H4+52

Towns in Ohio County

2 incorporated places of 1,000+ people have residents in Ohio County, 6,187 people together, or 26% of the county. Each figure counts only the part of the town inside Ohio County; towns marked "part" extend into another county. The largest is Beaver Dam with 3,535.

  1. 01Beaver Dam3,535
  2. 02Hartford2,652
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Ohio County

The Census 2024 county adjacency file lists 7 neighbors for Ohio County. The most populous is Daviess County, KY, with 104,457 residents. Distances run between Census internal points in a straight line.

Distance to Frankfort and the nearest big city

Frankfort is 118.1 miles ENE of Ohio County's internal point in a straight line. The nearest place of 100,000 or more is Evansville, IN (population 115,395), 51.6 miles away. The nearest place of 10,000 or more is Owensboro, KY (population 60,675), 24.4 miles away.

Ohio County FIPS code

The FIPS code of Ohio County is 21183: state code 21 for Kentucky plus county code 183. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $55,512.

Questions people ask

What is the population of Ohio County, Kentucky?

The Census Vintage 2024 estimate for July 1, 2024 is 23,933. That is up 189 people (0.8%) from the July 2020 estimate of 23,744.

What is the FIPS code of Ohio County?

21183. The first two digits (21) are Kentucky; the last three (183) identify the county.

What is the largest town in Ohio County?

Beaver Dam, with 3,535 residents inside Ohio County in 2024.

Which counties border Ohio County?

7 county-equivalents border it in the Census 2024 adjacency file: Daviess County, KY; Muhlenberg County, KY; Grayson County, KY; Breckinridge County, KY; Butler County, KY; McLean County, KY; Hancock County, KY.

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.