Data / Rankings / Population under 18 / Counties in Louisiana

Counties in Louisiana by population under 18

St. Bernard Parish had the highest population under 18 of 64 counties in 2022, at 26.9%. West Feliciana Parish had the lowest, at 16.5%. The median was 23.3% and the figure for Louisiana was 23.3%. Source: the U.S. Census Bureau.

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Highest26.9St. Bernard Parish
Lowest16.5West Feliciana Parish
Median23.364 counties
Louisiana23.3History

Map of counties, 2022

Acadia Parish: 25.9 %Allen Parish: 22.9 %Ascension Parish: 26.8 %Assumption Parish: 20.4 %Avoyelles Parish: 23.4 %Beauregard Parish: 25.5 %Bienville Parish: 22.8 %Bossier Parish: 25.3 %Caddo Parish: 23 %Calcasieu Parish: 24 %Caldwell Parish: 22.7 %Cameron Parish: 23.3 %Catahoula Parish: 21.5 %Claiborne Parish: 18.8 %Concordia Parish: 23.6 %De Soto Parish: 24 %East Baton Rouge Parish: 22.1 %East Carroll Parish: 18.9 %East Feliciana Parish: 16.9 %Evangeline Parish: 25 %Franklin Parish: 24.2 %Grant Parish: 20.9 %Iberia Parish: 24.4 %Iberville Parish: 20.5 %Jackson Parish: 20.5 %Jefferson Parish: 22 %Jefferson Davis Parish: 25.2 %Lafayette Parish: 24.2 %Lafourche Parish: 23.1 %LaSalle Parish: 22.1 %Lincoln Parish: 19.8 %Livingston Parish: 26 %Madison Parish: 24.8 %Morehouse Parish: 21.6 %Natchitoches Parish: 21.9 %Orleans Parish: 19.9 %Ouachita Parish: 24.6 %Plaquemines Parish: 25.2 %Pointe Coupee Parish: 21.7 %Rapides Parish: 24.3 %Red River Parish: 24.6 %Richland Parish: 23.8 %Sabine Parish: 23.4 %St. Bernard Parish: 26.9 %St. Charles Parish: 24.4 %St. Helena Parish: 20.8 %St. James Parish: 22.6 %St. John the Baptist Parish: 23.2 %St. Landry Parish: 25.7 %St. Martin Parish: 24.1 %St. Mary Parish: 24.2 %St. Tammany Parish: 23.6 %Tangipahoa Parish: 24.4 %Tensas Parish: 19.8 %Terrebonne Parish: 24.4 %Union Parish: 21.1 %Vermilion Parish: 25.4 %Vernon Parish: 25.5 %Washington Parish: 23.3 %Webster Parish: 21.9 %West Baton Rouge Parish: 24.8 %West Carroll Parish: 22.4 %West Feliciana Parish: 16.5 %Winn Parish: 19.7 %
  • Under 21
  • 21 to 22
  • 22 to 23
  • 23 to 24
  • 24 to 25
  • 25 and over
%, 2022. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2022

St. Bernard Parish: 26.9 %St. Bernard Parish26.9Ascension Parish: 26.8 %Ascension Parish26.8Livingston Parish: 26 %Livingston Parish26Acadia Parish: 25.9 %Acadia Parish25.9St. Landry Parish: 25.7 %St. Landry Parish25.7Beauregard Parish: 25.5 %Beauregard Parish25.5Vernon Parish: 25.5 %Vernon Parish25.5Vermilion Parish: 25.4 %Vermilion Parish25.4Bossier Parish: 25.3 %Bossier Parish25.3Jefferson Davis Parish: 25.2 %Jefferson Davis Parish25.2Plaquemines Parish: 25.2 %Plaquemines Parish25.2Evangeline Parish: 25 %Evangeline Parish25West Baton Rouge Parish: 24.8 %West Baton Rouge Parish24.8Madison Parish: 24.8 %Madison Parish24.8Ouachita Parish: 24.6 %Ouachita Parish24.6Red River Parish: 24.6 %Red River Parish24.6St. Charles Parish: 24.4 %St. Charles Parish24.4Terrebonne Parish: 24.4 %Terrebonne Parish24.4Iberia Parish: 24.4 %Iberia Parish24.4Tangipahoa Parish: 24.4 %Tangipahoa Parish24.4Rapides Parish: 24.3 %Rapides Parish24.3Lafayette Parish: 24.2 %Lafayette Parish24.2Franklin Parish: 24.2 %Franklin Parish24.2St. Mary Parish: 24.2 %St. Mary Parish24.2St. Martin Parish: 24.1 %St. Martin Parish24.1Calcasieu Parish: 24 %Calcasieu Parish24De Soto Parish: 24 %De Soto Parish24Richland Parish: 23.8 %Richland Parish23.8Concordia Parish: 23.6 %Concordia Parish23.6St. Tammany Parish: 23.6 %St. Tammany Parish23.6Avoyelles Parish: 23.4 %Avoyelles Parish23.4Sabine Parish: 23.4 %Sabine Parish23.4Washington Parish: 23.3 %Washington Parish23.3Cameron Parish: 23.3 %Cameron Parish23.3St. John the Baptist Parish: 23.2 %St. John the Baptist Parish23.2Lafourche Parish: 23.1 %Lafourche Parish23.1Caddo Parish: 23 %Caddo Parish23Allen Parish: 22.9 %Allen Parish22.9Bienville Parish: 22.8 %Bienville Parish22.8Caldwell Parish: 22.7 %Caldwell Parish22.7St. Bernard Parish: 26.9 %St. Bernard Parish26.9Ascension Parish: 26.8 %Ascension Parish26.8Livingston Parish: 26 %Livingston Parish26Acadia Parish: 25.9 %Acadia Parish25.9St. Landry Parish: 25.7 %St. Landry Parish25.7Beauregard Parish: 25.5 %Beauregard Parish25.5Vernon Parish: 25.5 %Vernon Parish25.5Vermilion Parish: 25.4 %Vermilion Parish25.4Bossier Parish: 25.3 %Bossier Parish25.3Jefferson Davis Parish: 25.2 %Jefferson Davis Parish25.2Plaquemines Parish: 25.2 %Plaquemines Parish25.2Evangeline Parish: 25 %Evangeline Parish25West Baton Rouge Parish: 24.8 %West Baton Rouge Parish24.8Madison Parish: 24.8 %Madison Parish24.8Ouachita Parish: 24.6 %Ouachita Parish24.6Red River Parish: 24.6 %Red River Parish24.6St. Charles Parish: 24.4 %St. Charles Parish24.4Terrebonne Parish: 24.4 %Terrebonne Parish24.4Iberia Parish: 24.4 %Iberia Parish24.4Tangipahoa Parish: 24.4 %Tangipahoa Parish24.4Rapides Parish: 24.3 %Rapides Parish24.3Lafayette Parish: 24.2 %Lafayette Parish24.2Franklin Parish: 24.2 %Franklin Parish24.2St. Mary Parish: 24.2 %St. Mary Parish24.2St. Martin Parish: 24.1 %St. Martin Parish24.1Calcasieu Parish: 24 %Calcasieu Parish24De Soto Parish: 24 %De Soto Parish24Richland Parish: 23.8 %Richland Parish23.8Concordia Parish: 23.6 %Concordia Parish23.6St. Tammany Parish: 23.6 %St. Tammany Parish23.6Avoyelles Parish: 23.4 %Avoyelles Parish23.4Sabine Parish: 23.4 %Sabine Parish23.4Washington Parish: 23.3 %Washington Parish23.3Cameron Parish: 23.3 %Cameron Parish23.3St. John the Baptist Parish: 23.2 %St. John the Baptist Parish23.2Lafourche Parish: 23.1 %Lafourche Parish23.1Caddo Parish: 23 %Caddo Parish23Allen Parish: 22.9 %Allen Parish22.9Bienville Parish: 22.8 %Bienville Parish22.8Caldwell Parish: 22.7 %Caldwell Parish22.7
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2022 (%)Change on 2021
1St. Bernard Parish26.9-0.4 pts
2Ascension Parish26.8-0.3 pts
3Livingston Parish26-0.1 pts
4Acadia Parish25.9+0.1 pts
5St. Landry Parish25.7-0 pts
6Beauregard Parish25.5-0 pts
7Vernon Parish25.5+0.2 pts
8Vermilion Parish25.40 pts
9Bossier Parish25.3-0.1 pts
10Jefferson Davis Parish25.2-0.1 pts
11Plaquemines Parish25.2-0.6 pts
12Evangeline Parish25-0.3 pts
13West Baton Rouge Parish24.8-0 pts
14Madison Parish24.8-0.4 pts
15Ouachita Parish24.6-0.2 pts
16Red River Parish24.6-0.3 pts
17St. Charles Parish24.4-0.5 pts
18Terrebonne Parish24.4-0.6 pts
19Iberia Parish24.4-0.2 pts
20Tangipahoa Parish24.40 pts
21Rapides Parish24.3-0.1 pts
22Lafayette Parish24.20 pts
23Franklin Parish24.2+0.2 pts
24St. Mary Parish24.2+0.3 pts
25St. Martin Parish24.1-0 pts
26Calcasieu Parish24-0.2 pts
27De Soto Parish240 pts
28Richland Parish23.8+0.2 pts
29Concordia Parish23.6-0 pts
30St. Tammany Parish23.6-0.1 pts
31Avoyelles Parish23.4-0 pts
32Sabine Parish23.4-0.3 pts
33Washington Parish23.3+0.1 pts
34Cameron Parish23.3-0.9 pts
35St. John the Baptist Parish23.2-0.4 pts
36Lafourche Parish23.1-0.2 pts
37Caddo Parish23-0.3 pts
38Allen Parish22.9-0.3 pts
39Bienville Parish22.8+0.3 pts
40Caldwell Parish22.7+0.1 pts
41St. James Parish22.6-0.3 pts
42West Carroll Parish22.4-0.3 pts
43LaSalle Parish22.1-0.2 pts
44East Baton Rouge Parish22.1-0 pts
45Jefferson Parish22+0.1 pts
46Webster Parish21.9-0.2 pts
47Natchitoches Parish21.9-0.1 pts
48Pointe Coupee Parish21.70 pts
49Morehouse Parish21.6-0.2 pts
50Catahoula Parish21.5-0.3 pts
51Union Parish21.1-0.5 pts
52Grant Parish20.9-0 pts
53St. Helena Parish20.8-0.4 pts
54Iberville Parish20.50 pts
55Jackson Parish20.5-0.6 pts
56Assumption Parish20.4-0.4 pts
57Orleans Parish19.9-0.2 pts
58Lincoln Parish19.8+0.1 pts
59Tensas Parish19.8-0.8 pts
60Winn Parish19.7-1.2 pts
61East Carroll Parish18.9-0.9 pts
62Claiborne Parish18.80 pts
63East Feliciana Parish16.9-0.1 pts
64West Feliciana Parish16.5+0.1 pts

Other periods

About this ranking

Residents aged 0 to 17 as a percentage of total population on 1 July. United States: Census Bureau county population estimates by age; states and the nation are sums of their counties.

Uses the US age of majority. Not comparable with population_0_14_share, which stops at 14.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties (Counties in Louisiana by population under 18, 2022) [Data set]. Retrieved October 12, 2026, from https://www.census.gov/programs-surveys/popest/data/data-sets.html

MLA 9

Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties, Counties in Louisiana by population under 18, 2022. U.S. Census Bureau, 25 June 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/rankings/population-under-18/louisiana-counties?period=2022. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. Counties in Louisiana by population under 18, 2022. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/rankings/population-under-18/louisiana-counties?period=2022.

Harvard

U.S. Census Bureau (2026) Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties, Counties in Louisiana by population under 18, 2022 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/population-under-18/louisiana-counties?period=2022 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_louisiana_by_2022,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties: Counties in Louisiana by population under 18, 2022}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.census.gov/programs-surveys/popest/data/data-sets.html},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/population-under-18/louisiana-counties?period=2022. Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties: Counties in Louisiana by population under 18, 2022
PY  - 2026
DA  - 2026/06/25
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www.census.gov/programs-surveys/popest/data/data-sets.html
L2  - https://invokely.ai/rankings/population-under-18/louisiana-counties?period=2022
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/population-under-18/louisiana-counties?period=2022.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest population under 18?

St. Bernard Parish, with 26.9% in 2022, according to the U.S. Census Bureau.

Which county has the lowest population under 18?

West Feliciana Parish, with 16.5% in 2022.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. Retrieved 2026-10-12.

Population under 18: other rankings

Counties in Louisiana: more rankings