• county
  • FIPS 05103
  • Largest town: Camden

Ouachita County, Arkansas

Ouachita County had 21,684 residents in the Census Vintage 2024 estimate, on 732.7 square miles of land. It ranks 29th of 75 in Arkansas by population and 24th by land area.

Population
21,684
#29 of 75 in Arkansas · #1,739 in US
Area
732.7 sq mi
#24 of 75 in Arkansas · #1,209 in US
Density
30 / sq mi
#30 of 75 in Arkansas · #1,936 in US
Median household income
$49,690
#42 of 75 in Arkansas · #2,733 in US

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

Ouachita County within Arkansas. Pin: Little Rock.

Measure from here

Tools and pages that start from Ouachita County

Ouachita County population, land area and income

Ouachita County had 21,684 residents in the Census Vintage 2024 estimate, on 732.7 square miles of land. It ranks 29th of 75 in Arkansas by population and 24th by land area. That works out to 29.6 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Arkansas has 18,130 residents; Ouachita County is somewhat larger.

Its SAIPE 2023 median household income of $49,690 is in the bottom quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

21,684

3144th1st

1739th of 3,144 (US)

Land area

733 sq mi

3144th1st

1209th of 3,144 (US)

Density

29.6 / sq mi

3144th1st

1936th of 3,144 (US)

Median household income

$49,690

3143rd1st

2733rd of 3,143 (US)

Rank within Arkansas (75)

Population

21,684

75th1st

29th of 75 (AR)

Land area

733 sq mi

75th1st

24th of 75 (AR)

Density

29.6 / sq mi

75th1st

30th of 75 (AR)

Median household income

$49,690

75th1st

42nd of 75 (AR)

How Ouachita County's population changed since 2020

Ouachita County lost 933 residents between the July 2020 and July 2024 estimates, a drop of 4.1%. That ranks 59th of 75 in Arkansas for growth. The median Arkansas county changed by -0.2%, and the state as a whole by +2.4%.

Since the April 2020 estimates base, Ouachita County recorded 1,011 births and 1,640 deaths, a natural change of -629. Net international migration added +1 and net domestic migration, people moving to or from other US counties, came to -343. The largest single component was natural change, which removed 629 people.

22.6k202022.3k202122.0k202221.8k202321.7k2024
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
1,011
Deaths
1,640
Net international migration
+1
Net domestic migration
-343
Change, July 2023 to July 2024
-109

Where Ouachita County is

The Census internal point of Ouachita County is at 33.591200, -92.878400. It sits in UTM zone 15N. The map shades Arkansas's 75 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Ouachita County outlined. Dots are towns of 1,000+ people with residents in it.

Lincoln County: -0.2%Cleveland County: -2.5%St. Francis County: -5.2%Howard County: -2.9%Drew County: -2.2%Van Buren County: +2.2%Searcy County: -0.1%Poinsett County: -2.9%Hot Spring County: +0.7%Izard County: +5.0%Cross County: -3.6%Garland County: -0.4%Nevada County: -3.4%Washington County: +7.9%Union County: -5.0%Pope County: +2.2%Columbia County: -3.2%Conway County: +3.3%Faulkner County: +6.3%Miller County: -1.5%Arkansas County: -6.2%Clay County: -2.9%Saline County: +6.0%Yell County: -0.4%Craighead County: +3.8%Monroe County: -5.3%Calhoun County: -1.0%Marion County: +4.3%Carroll County: +2.6%Mississippi County: -6.0%Ashley County: -5.2%Independence County: +1.1%Stone County: +3.5%Madison County: +7.9%Johnson County: +1.7%Little River County: -2.9%Montgomery County: +0.3%Perry County: +2.5%Pike County: -1.3%Lee County: -5.0%Randolph County: +2.4%Woodruff County: -6.6%Lafayette County: -4.4%Grant County: +2.9%Greene County: +2.3%Jefferson County: -4.7%Franklin County: +2.6%Dallas County: -5.7%Crittenden County: -3.0%White County: +2.9%Lonoke County: +3.1%Bradley County: -5.3%Benton County: +12.2%Fulton County: +4.1%Desha County: -8.8%Pulaski County: +0.5%Newton County: -2.4%Logan County: +1.6%Scott County: +0.1%Prairie County: -3.8%Phillips County: -10.8%Ouachita County: -4.1%Polk County: +1.3%Cleburne County: +3.8%Sebastian County: +1.7%Clark County: -2.3%Sevier County: -0.3%Hempstead County: -4.4%Jackson County: -0.5%Chicot County: -8.7%Sharp County: +4.7%Crawford County: +3.5%Boone County: +3.3%Baxter County: +3.1%Lawrence County: +0.5%
Change 2020 to 2024
  1. < -4.4%
  2. < -2.2%
  3. < +1.1%
  4. < +3.1%
  5. ≥ +3.1%
no data

Orange pin: Ouachita County internal point. Dark pin: Little Rock.

Internal point

Decimal
33.591200, -92.878400
DMS
33°35'28.32"N 92°52'42.24"W
UTM
15N 511283.0E 3716837.2N
Geohash
9vvzne04b
Plus code
8659H4RC+FJ

Towns in Ouachita County

One incorporated place of 1,000+ people has residents in Ouachita County, 10,116 people together, or 47% of the county. Each figure counts only the part of the town inside Ouachita County; towns marked "part" extend into another county. The largest is Camden with 10,116.

  1. 01Camden10,116
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Ouachita County

The Census 2024 county adjacency file lists 6 neighbors for Ouachita County. The most populous is Union County, AR, with 37,008 residents. Distances run between Census internal points in a straight line.

Distance to Little Rock and the nearest big city

Little Rock is 86.7 miles NNE of Ouachita County's internal point in a straight line. The nearest place of 100,000 or more is Little Rock, AR (population 204,774), 83.8 miles away. The nearest place of 10,000 or more is Camden, AR (population 10,116), 2.4 miles away.

Ouachita County FIPS code

The FIPS code of Ouachita County is 05103: state code 05 for Arkansas plus county code 103. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $49,690.

Questions people ask

What is the population of Ouachita County, Arkansas?

The Census Vintage 2024 estimate for July 1, 2024 is 21,684. That is down 933 people (4.1%) from the July 2020 estimate of 22,617.

What is the FIPS code of Ouachita County?

05103. The first two digits (05) are Arkansas; the last three (103) identify the county.

What is the largest town in Ouachita County?

Camden, with 10,116 residents inside Ouachita County in 2024.

Which counties border Ouachita County?

6 county-equivalents border it in the Census 2024 adjacency file: Union County, AR; Columbia County, AR; Clark County, AR; Nevada County, AR; Dallas County, AR; Calhoun County, AR.

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.