Data / Rankings / Uninsured rate, ages 18 to 64 (US model-based estimate) / Counties in Louisiana

Counties in Louisiana by uninsured rate, ages 18 to 64 (US model-based estimate)

Terrebonne Parish had the highest uninsured rate, ages 18 to 64 (US model-based estimate) of 64 counties in 2019, at 16.2%. St. Charles Parish had the lowest, at 8.8%. The median was 12.9% and the figure for Louisiana was 12.9%. Source: the U.S. Census Bureau.

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Highest16.2Terrebonne Parish
Lowest8.8St. Charles Parish
Median12.964 counties
Louisiana12.9History

Map of counties, 2019

Acadia Parish: 12.9 %Allen Parish: 13 %Ascension Parish: 9 %Assumption Parish: 12.2 %Avoyelles Parish: 13.6 %Beauregard Parish: 13.6 %Bienville Parish: 11.8 %Bossier Parish: 11.6 %Caddo Parish: 12.5 %Calcasieu Parish: 12 %Caldwell Parish: 14.3 %Cameron Parish: 11.8 %Catahoula Parish: 12.4 %Claiborne Parish: 13 %Concordia Parish: 12.8 %De Soto Parish: 13.4 %East Baton Rouge Parish: 12.6 %East Carroll Parish: 11.9 %East Feliciana Parish: 10.6 %Evangeline Parish: 13.9 %Franklin Parish: 15.3 %Grant Parish: 13 %Iberia Parish: 14.5 %Iberville Parish: 10.8 %Jackson Parish: 12.2 %Jefferson Parish: 16.1 %Jefferson Davis Parish: 12.8 %Lafayette Parish: 11.9 %Lafourche Parish: 14.9 %LaSalle Parish: 14.4 %Lincoln Parish: 14.1 %Livingston Parish: 12.3 %Madison Parish: 12.2 %Morehouse Parish: 12.2 %Natchitoches Parish: 13.1 %Orleans Parish: 12.3 %Ouachita Parish: 11.9 %Plaquemines Parish: 13.9 %Pointe Coupee Parish: 12.4 %Rapides Parish: 13.6 %Red River Parish: 11.9 %Richland Parish: 13.9 %Sabine Parish: 15.8 %St. Bernard Parish: 14 %St. Charles Parish: 8.8 %St. Helena Parish: 14.1 %St. James Parish: 9.8 %St. John the Baptist Parish: 11.2 %St. Landry Parish: 13.6 %St. Martin Parish: 13.3 %St. Mary Parish: 13.9 %St. Tammany Parish: 11.4 %Tangipahoa Parish: 13.6 %Tensas Parish: 13.2 %Terrebonne Parish: 16.2 %Union Parish: 12.5 %Vermilion Parish: 13.6 %Vernon Parish: 11.5 %Washington Parish: 13.4 %Webster Parish: 13.6 %West Baton Rouge Parish: 9.8 %West Carroll Parish: 14.7 %West Feliciana Parish: 9.5 %Winn Parish: 12.4 %
  • Under 12
  • 12 to 13
  • 13 to 14
  • 14 and over
%, 2019. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2019

Terrebonne Parish: 16.2 %Terrebonne Parish16.2Jefferson Parish: 16.1 %Jefferson Parish16.1Sabine Parish: 15.8 %Sabine Parish15.8Franklin Parish: 15.3 %Franklin Parish15.3Lafourche Parish: 14.9 %Lafourche Parish14.9West Carroll Parish: 14.7 %West Carroll Parish14.7Iberia Parish: 14.5 %Iberia Parish14.5LaSalle Parish: 14.4 %LaSalle Parish14.4Caldwell Parish: 14.3 %Caldwell Parish14.3Lincoln Parish: 14.1 %Lincoln Parish14.1St. Helena Parish: 14.1 %St. Helena Parish14.1St. Bernard Parish: 14 %St. Bernard Parish14Evangeline Parish: 13.9 %Evangeline Parish13.9Plaquemines Parish: 13.9 %Plaquemines Parish13.9Richland Parish: 13.9 %Richland Parish13.9St. Mary Parish: 13.9 %St. Mary Parish13.9Avoyelles Parish: 13.6 %Avoyelles Parish13.6Beauregard Parish: 13.6 %Beauregard Parish13.6Rapides Parish: 13.6 %Rapides Parish13.6St. Landry Parish: 13.6 %St. Landry Parish13.6Tangipahoa Parish: 13.6 %Tangipahoa Parish13.6Vermilion Parish: 13.6 %Vermilion Parish13.6Webster Parish: 13.6 %Webster Parish13.6De Soto Parish: 13.4 %De Soto Parish13.4Washington Parish: 13.4 %Washington Parish13.4St. Martin Parish: 13.3 %St. Martin Parish13.3Tensas Parish: 13.2 %Tensas Parish13.2Natchitoches Parish: 13.1 %Natchitoches Parish13.1Allen Parish: 13 %Allen Parish13Claiborne Parish: 13 %Claiborne Parish13Grant Parish: 13 %Grant Parish13Acadia Parish: 12.9 %Acadia Parish12.9Concordia Parish: 12.8 %Concordia Parish12.8Jefferson Davis Parish: 12.8 %Jefferson Davis Parish12.8East Baton Rouge Parish: 12.6 %East Baton Rouge Parish12.6Caddo Parish: 12.5 %Caddo Parish12.5Union Parish: 12.5 %Union Parish12.5Catahoula Parish: 12.4 %Catahoula Parish12.4Pointe Coupee Parish: 12.4 %Pointe Coupee Parish12.4Winn Parish: 12.4 %Winn Parish12.4Terrebonne Parish: 16.2 %Terrebonne Parish16.2Jefferson Parish: 16.1 %Jefferson Parish16.1Sabine Parish: 15.8 %Sabine Parish15.8Franklin Parish: 15.3 %Franklin Parish15.3Lafourche Parish: 14.9 %Lafourche Parish14.9West Carroll Parish: 14.7 %West Carroll Parish14.7Iberia Parish: 14.5 %Iberia Parish14.5LaSalle Parish: 14.4 %LaSalle Parish14.4Caldwell Parish: 14.3 %Caldwell Parish14.3Lincoln Parish: 14.1 %Lincoln Parish14.1St. Helena Parish: 14.1 %St. Helena Parish14.1St. Bernard Parish: 14 %St. Bernard Parish14Evangeline Parish: 13.9 %Evangeline Parish13.9Plaquemines Parish: 13.9 %Plaquemines Parish13.9Richland Parish: 13.9 %Richland Parish13.9St. Mary Parish: 13.9 %St. Mary Parish13.9Avoyelles Parish: 13.6 %Avoyelles Parish13.6Beauregard Parish: 13.6 %Beauregard Parish13.6Rapides Parish: 13.6 %Rapides Parish13.6St. Landry Parish: 13.6 %St. Landry Parish13.6Tangipahoa Parish: 13.6 %Tangipahoa Parish13.6Vermilion Parish: 13.6 %Vermilion Parish13.6Webster Parish: 13.6 %Webster Parish13.6De Soto Parish: 13.4 %De Soto Parish13.4Washington Parish: 13.4 %Washington Parish13.4St. Martin Parish: 13.3 %St. Martin Parish13.3Tensas Parish: 13.2 %Tensas Parish13.2Natchitoches Parish: 13.1 %Natchitoches Parish13.1Allen Parish: 13 %Allen Parish13Claiborne Parish: 13 %Claiborne Parish13Grant Parish: 13 %Grant Parish13Acadia Parish: 12.9 %Acadia Parish12.9Concordia Parish: 12.8 %Concordia Parish12.8Jefferson Davis Parish: 12.8 %Jefferson Davis Parish12.8East Baton Rouge Parish: 12.6 %East Baton Rouge Parish12.6Caddo Parish: 12.5 %Caddo Parish12.5Union Parish: 12.5 %Union Parish12.5Catahoula Parish: 12.4 %Catahoula Parish12.4Pointe Coupee Parish: 12.4 %Pointe Coupee Parish12.4Winn Parish: 12.4 %Winn Parish12.4
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2019 (%)Change on 2018
1Terrebonne Parish16.2+1 pts
2Jefferson Parish16.1+1 pts
3Sabine Parish15.8+1.1 pts
4Franklin Parish15.3+2.1 pts
5Lafourche Parish14.9+2 pts
6West Carroll Parish14.7+1.5 pts
7Iberia Parish14.5+1.3 pts
8LaSalle Parish14.4+0.7 pts
9Caldwell Parish14.3+0.8 pts
10Lincoln Parish14.1+1 pts
10St. Helena Parish14.1+0.9 pts
12St. Bernard Parish14+0.7 pts
13Evangeline Parish13.9+1 pts
13Plaquemines Parish13.9+1 pts
13Richland Parish13.9+1.9 pts
13St. Mary Parish13.9+0.8 pts
17Avoyelles Parish13.6+0.8 pts
17Beauregard Parish13.6+1.4 pts
17Rapides Parish13.6+1.7 pts
17St. Landry Parish13.6+0.5 pts
17Tangipahoa Parish13.6+2.4 pts
17Vermilion Parish13.6-0.4 pts
17Webster Parish13.6+1.7 pts
24De Soto Parish13.4+0.4 pts
24Washington Parish13.4+0.9 pts
26St. Martin Parish13.3+1.4 pts
27Tensas Parish13.2+0.4 pts
28Natchitoches Parish13.1+0.9 pts
29Allen Parish13+1.1 pts
29Claiborne Parish130 pts
29Grant Parish13+2.3 pts
32Acadia Parish12.9+0.4 pts
33Concordia Parish12.8+0.6 pts
33Jefferson Davis Parish12.8-0.1 pts
35East Baton Rouge Parish12.6+1.8 pts
36Caddo Parish12.5+2.5 pts
36Union Parish12.5+1.1 pts
38Catahoula Parish12.4+0.6 pts
38Pointe Coupee Parish12.4+0.9 pts
38Winn Parish12.4+1.7 pts
41Livingston Parish12.3+1 pts
41Orleans Parish12.3+0.8 pts
43Assumption Parish12.2+0.8 pts
43Jackson Parish12.2+0.3 pts
43Madison Parish12.2+1.7 pts
43Morehouse Parish12.20 pts
47Calcasieu Parish12+0.5 pts
48East Carroll Parish11.9+1.8 pts
48Lafayette Parish11.9+1.6 pts
48Ouachita Parish11.9+0.6 pts
48Red River Parish11.9+1.2 pts
52Bienville Parish11.8+2 pts
52Cameron Parish11.8+0.1 pts
54Bossier Parish11.6+1.7 pts
55Vernon Parish11.5+0.8 pts
56St. Tammany Parish11.4+1.2 pts
57St. John the Baptist Parish11.2+1.2 pts
58Iberville Parish10.8+0.4 pts
59East Feliciana Parish10.6+0.9 pts
60St. James Parish9.8+1.6 pts
60West Baton Rouge Parish9.8+1.4 pts
62West Feliciana Parish9.5+0.9 pts
63Ascension Parish9+0.6 pts
64St. Charles Parish8.8+0.3 pts

Other periods

About this ranking

People aged 18 to 64 without health insurance coverage of any kind, as a percentage of all people aged 18 to 64. United States: Census Bureau Small Area Health Insurance Estimates (SAHIE) for states and counties, all races, both sexes and all income levels.

A model-based single-year estimate that combines the American Community Survey with administrative records and population estimates, so every county gets a figure. Covers states and counties only, because the SAHIE dataset files have no national row. The Census Bureau advises comparing years from 2008 on only; 2013 is the updated release. Working-age adults; the rate for everyone under 65 is uninsured_rate_under_65.

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. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip. 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). Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties (Counties in Louisiana by uninsured rate, ages 18 to 64 (US model-based estimate), 2019) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, Counties in Louisiana by uninsured rate, ages 18 to 64 (US model-based estimate), 2019. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/louisiana-counties?period=2019. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Counties in Louisiana by uninsured rate, ages 18 to 64 (US model-based estimate), 2019. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/louisiana-counties?period=2019.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, Counties in Louisiana by uninsured rate, ages 18 to 64 (US model-based estimate), 2019 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-18-64/louisiana-counties?period=2019 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_louisiana_by_2019,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: Counties in Louisiana by uninsured rate, ages 18 to 64 (US model-based estimate), 2019}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/louisiana-counties?period=2019. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: Counties in Louisiana by uninsured rate, ages 18 to 64 (US model-based estimate), 2019
PY  - 2026
DA  - 2026/08/06
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-ages-18-64/louisiana-counties?period=2019
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/louisiana-counties?period=2019.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest uninsured rate, ages 18 to 64 (US model-based estimate)?

Terrebonne Parish, with 16.2% in 2019, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, ages 18 to 64 (US model-based estimate)?

St. Charles Parish, with 8.8% in 2019.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, ages 18 to 64 (US model-based estimate): other rankings

Counties in Louisiana: more rankings