• parish
  • FIPS 22073
  • Largest town: Monroe

Ouachita Parish, Louisiana

Ouachita Parish had 157,874 residents in the Census Vintage 2024 estimate, on 610.4 square miles of land. It ranks 8th of 64 in Louisiana by population and 38th by land area.

Population
157,874
#8 of 64 in Louisiana · #443 in US
Area
610.4 sq mi
#38 of 64 in Louisiana · #1,586 in US
Density
259 / sq mi
#7 of 64 in Louisiana · #484 in US
Median household income
$52,904
#33 of 64 in Louisiana · #2,493 in US

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

Ouachita Parish within Louisiana. Pin: Baton Rouge.

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Ouachita Parish population, land area and income

Ouachita Parish had 157,874 residents in the Census Vintage 2024 estimate, on 610.4 square miles of land. It ranks 8th of 64 in Louisiana by population and 38th by land area. That works out to 258.7 people per square mile, 2.7 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in Louisiana has 31,591 residents, so Ouachita Parish is 5.0 times that size.

Its SAIPE 2023 median household income of $52,904 is in the bottom quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

157,874

3144th1st

443rd of 3,144 (US)

Land area

610 sq mi

3144th1st

1586th of 3,144 (US)

Density

258.7 / sq mi

3144th1st

484th of 3,144 (US)

Median household income

$52,904

3143rd1st

2493rd of 3,143 (US)

Rank within Louisiana (64)

Population

157,874

64th1st

8th of 64 (LA)

Land area

610 sq mi

64th1st

38th of 64 (LA)

Density

258.7 / sq mi

64th1st

7th of 64 (LA)

Median household income

$52,904

64th1st

33rd of 64 (LA)

How Ouachita Parish's population changed since 2020

Ouachita Parish lost 2,240 residents between the July 2020 and July 2024 estimates, a drop of 1.4%. That ranks 23rd of 64 in Louisiana for growth. The median Louisiana county changed by -2.3%, and the state as a whole by -1.2%.

Since the April 2020 estimates base, Ouachita Parish recorded 8,346 births and 8,193 deaths, a natural change of +153. Net international migration added +1,027 and net domestic migration, people moving to or from other US counties, came to -3,715. The largest single component was domestic migration, which removed 3,715 people.

160.1k2020158.9k2021157.8k2022157.7k2023157.9k2024
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
8,346
Deaths
8,193
Net international migration
+1,027
Net domestic migration
-3,715
Change, July 2023 to July 2024
+162

Where Ouachita Parish is

The Census internal point of Ouachita Parish is at 32.480900, -92.151600. It sits in UTM zone 15N. The map shades Louisiana's 64 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Ouachita Parish outlined. Dots are towns of 1,000+ people with residents in it.

Assumption Parish: -4.4%Concordia Parish: -4.2%Jackson Parish: -1.3%De Soto Parish: +1.6%Washington Parish: -0.6%Bienville Parish: -3.9%Caddo Parish: -5.1%Red River Parish: -4.6%Lafayette Parish: +5.0%Webster Parish: -4.6%Calcasieu Parish: -4.4%Allen Parish: -0.8%Rapides Parish: -2.9%Vernon Parish: -5.8%Union Parish: -2.3%St. Tammany Parish: +4.8%West Baton Rouge Parish: +4.3%Winn Parish: -2.3%Beauregard Parish: +0.2%Grant Parish: -0.2%Evangeline Parish: -1.7%Tangipahoa Parish: +4.6%St. Martin Parish: -0.8%Tensas Parish: -6.4%Caldwell Parish: -2.3%Franklin Parish: -3.1%Jefferson Parish: -2.8%Madison Parish: -8.3%Morehouse Parish: -6.6%Jefferson Davis Parish: -2.4%Pointe Coupee Parish: -4.0%Bossier Parish: +1.8%Richland Parish: -1.9%St. Charles Parish: -4.0%Acadia Parish: -1.5%Avoyelles Parish: -3.2%St. Mary Parish: -4.8%East Baton Rouge Parish: -0.6%Lafourche Parish: -2.2%Cameron Parish: -16.8%Terrebonne Parish: -5.1%LaSalle Parish: -0.9%Livingston Parish: +7.0%St. John the Baptist Parish: -6.3%Ouachita Parish: -1.4%Claiborne Parish: -4.0%St. Bernard Parish: +2.1%Orleans Parish: -5.4%St. Landry Parish: -1.8%Plaquemines Parish: -5.0%East Carroll Parish: -6.8%Vermilion Parish: +1.2%East Feliciana Parish: -1.7%Sabine Parish: -1.6%Iberia Parish: -3.6%Ascension Parish: +5.2%Lincoln Parish: -0.1%Natchitoches Parish: -3.8%St. James Parish: -5.0%St. Helena Parish: -0.4%Catahoula Parish: -6.4%West Carroll Parish: -4.5%West Feliciana Parish: -0.7%Iberville Parish: -1.0%
Change 2020 to 2024
  1. < -5.0%
  2. < -3.6%
  3. < -1.7%
  4. < -0.4%
  5. ≥ -0.4%
no data

Orange pin: Ouachita Parish internal point. Dark pin: Baton Rouge.

Internal point

Decimal
32.480900, -92.151600
DMS
32°28'51.24"N 92°09'5.76"W
UTM
15N 579716.1E 3594058.8N
Geohash
9vy2z0cqb
Plus code
8649FRJX+99

Towns in Ouachita Parish

4 incorporated places of 1,000+ people have residents in Ouachita Parish, 65,464 people together, or 41% of the county. Each figure counts only the part of the town inside Ouachita Parish; towns marked "part" extend into another county. The largest is Monroe with 46,622.

  1. 01Monroe46,622
  2. 02West Monroe12,476
  3. 03Richwood3,809
  4. 04Sterlington2,557
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Ouachita Parish

The Census 2024 county adjacency file lists 6 neighbors for Ouachita Parish. The most populous is Lincoln Parish, LA, with 48,243 residents. Distances run between Census internal points in a straight line.

Distance to Baton Rouge and the nearest big city

Baton Rouge is 150.9 miles SSE of Ouachita Parish's internal point in a straight line. The nearest place of 100,000 or more is Shreveport, LA (population 176,578), 95.6 miles away. The nearest place of 10,000 or more is West Monroe, LA (population 12,476), 2.2 miles away.

Ouachita Parish FIPS code

The FIPS code of Ouachita Parish is 22073: state code 22 for Louisiana plus parish code 073. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $52,904.

Questions people ask

What is the population of Ouachita Parish, Louisiana?

The Census Vintage 2024 estimate for July 1, 2024 is 157,874. That is down 2,240 people (1.4%) from the July 2020 estimate of 160,114.

What is the FIPS code of Ouachita Parish?

22073. The first two digits (22) are Louisiana; the last three (073) identify the parish.

What is the largest town in Ouachita Parish?

Monroe, with 46,622 residents inside Ouachita Parish in 2024.

Which counties border Ouachita Parish?

6 county-equivalents border it in the Census 2024 adjacency file: Lincoln Parish, LA; Morehouse Parish, LA; Union Parish, LA; Richland Parish, LA; Jackson Parish, LA; Caldwell Parish, LA.

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.