• parish
  • FIPS 22121
  • Largest town: Addis

West Baton Rouge Parish, Louisiana

West Baton Rouge Parish had 28,425 residents in the Census Vintage 2024 estimate, on 192.4 square miles of land. It ranks 35th of 64 in Louisiana by population and 63rd by land area.

Population
28,425
#35 of 64 in Louisiana · #1,491 in US
Area
192.4 sq mi
#63 of 64 in Louisiana · #3,009 in US
Density
148 / sq mi
#15 of 64 in Louisiana · #700 in US
Median household income
$73,173
#6 of 64 in Louisiana · #774 in US

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

West Baton Rouge Parish within Louisiana. Pin: Baton Rouge.

West Baton Rouge Parish population, land area and income

West Baton Rouge Parish had 28,425 residents in the Census Vintage 2024 estimate, on 192.4 square miles of land. It ranks 35th of 64 in Louisiana by population and 63rd by land area. That works out to 147.8 people per square mile, 1.5 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in Louisiana has 31,591 residents; West Baton Rouge Parish is somewhat smaller.

Its SAIPE 2023 median household income of $73,173 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

28,425

3144th1st

1491st of 3,144 (US)

Land area

192 sq mi

3144th1st

3009th of 3,144 (US)

Density

147.8 / sq mi

3144th1st

700th of 3,144 (US)

Median household income

$73,173

3143rd1st

774th of 3,143 (US)

Rank within Louisiana (64)

Population

28,425

64th1st

35th of 64 (LA)

Land area

192 sq mi

64th1st

63rd of 64 (LA)

Density

147.8 / sq mi

64th1st

15th of 64 (LA)

Median household income

$73,173

64th1st

6th of 64 (LA)

How West Baton Rouge Parish's population changed since 2020

West Baton Rouge Parish gained 1,163 residents between the July 2020 and July 2024 estimates, a rise of 4.3%. That ranks 6th 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, West Baton Rouge Parish recorded 1,487 births and 1,184 deaths, a natural change of +303. Net international migration added +162 and net domestic migration, people moving to or from other US counties, came to +766. The largest single component was domestic migration, which added 766 people.

27.3k202027.8k202128.0k202228.3k202328.4k2024
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
1,487
Deaths
1,184
Net international migration
+162
Net domestic migration
+766
Change, July 2023 to July 2024
+87

Where West Baton Rouge Parish is

The Census internal point of West Baton Rouge Parish is at 30.464100, -91.309800. 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 West Baton Rouge 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: West Baton Rouge Parish internal point. Dark pin: Baton Rouge.

Internal point

Decimal
30.464100, -91.309800
DMS
30°27'50.76"N 91°18'35.28"W
UTM
15N 662263.5E 3371426.9N
Geohash
9vrj61y4p
Plus code
862CFM7R+J3

Towns in West Baton Rouge Parish

3 incorporated places of 1,000+ people have residents in West Baton Rouge Parish, 15,120 people together, or 53% of the county. Each figure counts only the part of the town inside West Baton Rouge Parish; towns marked "part" extend into another county. The largest is Addis with 7,538.

  1. 01Addis7,538
  2. 02Port Allen4,991
  3. 03Brusly2,591
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering West Baton Rouge Parish

The Census 2024 county adjacency file lists 5 neighbors for West Baton Rouge Parish. The most populous is East Baton Rouge Parish, LA, with 453,022 residents. Distances run between Census internal points in a straight line.

Distance to Baton Rouge and the nearest big city

Baton Rouge is 7.3 miles E of West Baton Rouge Parish's internal point in a straight line. The nearest place of 100,000 or more is Baton Rouge, LA (population 220,907), 10.6 miles away.

West Baton Rouge Parish FIPS code

The FIPS code of West Baton Rouge Parish is 22121: state code 22 for Louisiana plus parish code 121. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $73,173.

Questions people ask

What is the population of West Baton Rouge Parish, Louisiana?

The Census Vintage 2024 estimate for July 1, 2024 is 28,425. That is up 1,163 people (4.3%) from the July 2020 estimate of 27,262.

What is the FIPS code of West Baton Rouge Parish?

22121. The first two digits (22) are Louisiana; the last three (121) identify the parish.

What is the largest town in West Baton Rouge Parish?

Addis, with 7,538 residents inside West Baton Rouge Parish in 2024.

Which counties border West Baton Rouge Parish?

5 county-equivalents border it in the Census 2024 adjacency file: East Baton Rouge Parish, LA; Iberville Parish, LA; Pointe Coupee Parish, LA; East Feliciana Parish, LA; West Feliciana 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.