Counties in Louisiana by uninsured rate, under 65 (US model-based estimate)

Jefferson Parish had the highest uninsured rate, under 65 (US model-based estimate) of 64 counties in 2018, at 12%. Ascension Parish had the lowest, at 6.5%. The median was 9.4% and the figure for Louisiana was 9.3%. Source: the U.S. Census Bureau.

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Median9.464 counties
Louisiana9.3History

Map of counties, 2018

Acadia Parish: 9.8 %Allen Parish: 9.2 %Ascension Parish: 6.5 %Assumption Parish: 9.3 %Avoyelles Parish: 9.9 %Beauregard Parish: 9.6 %Bienville Parish: 7.8 %Bossier Parish: 7.9 %Caddo Parish: 7.9 %Calcasieu Parish: 8.8 %Caldwell Parish: 10.7 %Cameron Parish: 9.7 %Catahoula Parish: 9.5 %Claiborne Parish: 10.4 %Concordia Parish: 9.4 %De Soto Parish: 10.2 %East Baton Rouge Parish: 8.8 %East Carroll Parish: 7.4 %East Feliciana Parish: 8.2 %Evangeline Parish: 10 %Franklin Parish: 10.1 %Grant Parish: 8.5 %Iberia Parish: 10.2 %Iberville Parish: 8.3 %Jackson Parish: 9.4 %Jefferson Parish: 12 %Jefferson Davis Parish: 10 %Lafayette Parish: 8.4 %Lafourche Parish: 10.3 %LaSalle Parish: 10.8 %Lincoln Parish: 10.6 %Livingston Parish: 8.8 %Madison Parish: 7.9 %Morehouse Parish: 9.3 %Natchitoches Parish: 9.5 %Orleans Parish: 9.5 %Ouachita Parish: 8.8 %Plaquemines Parish: 10.3 %Pointe Coupee Parish: 9.3 %Rapides Parish: 9.3 %Red River Parish: 8.6 %Richland Parish: 9.5 %Sabine Parish: 11.5 %St. Bernard Parish: 10.2 %St. Charles Parish: 6.8 %St. Helena Parish: 10.7 %St. James Parish: 6.6 %St. John the Baptist Parish: 7.9 %St. Landry Parish: 9.9 %St. Martin Parish: 9.4 %St. Mary Parish: 10.4 %St. Tammany Parish: 8.2 %Tangipahoa Parish: 8.8 %Tensas Parish: 10 %Terrebonne Parish: 11.9 %Union Parish: 9.2 %Vermilion Parish: 11 %Vernon Parish: 8.3 %Washington Parish: 9.6 %Webster Parish: 9.4 %West Baton Rouge Parish: 6.8 %West Carroll Parish: 10.6 %West Feliciana Parish: 7.1 %Winn Parish: 8.4 %
  • Under 8.1
  • 8.1 to 8.8
  • 8.8 to 9.4
  • 9.4 to 9.9
  • 9.9 to 10
  • 10 and over
%, 2018. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2018

Jefferson Parish: 12 %Jefferson Parish12Terrebonne Parish: 11.9 %Terrebonne Parish11.9Sabine Parish: 11.5 %Sabine Parish11.5Vermilion Parish: 11 %Vermilion Parish11LaSalle Parish: 10.8 %LaSalle Parish10.8Caldwell Parish: 10.7 %Caldwell Parish10.7St. Helena Parish: 10.7 %St. Helena Parish10.7Lincoln Parish: 10.6 %Lincoln Parish10.6West Carroll Parish: 10.6 %West Carroll Parish10.6Claiborne Parish: 10.4 %Claiborne Parish10.4St. Mary Parish: 10.4 %St. Mary Parish10.4Lafourche Parish: 10.3 %Lafourche Parish10.3Plaquemines Parish: 10.3 %Plaquemines Parish10.3De Soto Parish: 10.2 %De Soto Parish10.2Iberia Parish: 10.2 %Iberia Parish10.2St. Bernard Parish: 10.2 %St. Bernard Parish10.2Franklin Parish: 10.1 %Franklin Parish10.1Evangeline Parish: 10 %Evangeline Parish10Jefferson Davis Parish: 10 %Jefferson Davis Parish10Tensas Parish: 10 %Tensas Parish10Avoyelles Parish: 9.9 %Avoyelles Parish9.9St. Landry Parish: 9.9 %St. Landry Parish9.9Acadia Parish: 9.8 %Acadia Parish9.8Cameron Parish: 9.7 %Cameron Parish9.7Beauregard Parish: 9.6 %Beauregard Parish9.6Washington Parish: 9.6 %Washington Parish9.6Catahoula Parish: 9.5 %Catahoula Parish9.5Natchitoches Parish: 9.5 %Natchitoches Parish9.5Orleans Parish: 9.5 %Orleans Parish9.5Richland Parish: 9.5 %Richland Parish9.5Concordia Parish: 9.4 %Concordia Parish9.4Jackson Parish: 9.4 %Jackson Parish9.4St. Martin Parish: 9.4 %St. Martin Parish9.4Webster Parish: 9.4 %Webster Parish9.4Assumption Parish: 9.3 %Assumption Parish9.3Morehouse Parish: 9.3 %Morehouse Parish9.3Pointe Coupee Parish: 9.3 %Pointe Coupee Parish9.3Rapides Parish: 9.3 %Rapides Parish9.3Allen Parish: 9.2 %Allen Parish9.2Union Parish: 9.2 %Union Parish9.2Jefferson Parish: 12 %Jefferson Parish12Terrebonne Parish: 11.9 %Terrebonne Parish11.9Sabine Parish: 11.5 %Sabine Parish11.5Vermilion Parish: 11 %Vermilion Parish11LaSalle Parish: 10.8 %LaSalle Parish10.8Caldwell Parish: 10.7 %Caldwell Parish10.7St. Helena Parish: 10.7 %St. Helena Parish10.7Lincoln Parish: 10.6 %Lincoln Parish10.6West Carroll Parish: 10.6 %West Carroll Parish10.6Claiborne Parish: 10.4 %Claiborne Parish10.4St. Mary Parish: 10.4 %St. Mary Parish10.4Lafourche Parish: 10.3 %Lafourche Parish10.3Plaquemines Parish: 10.3 %Plaquemines Parish10.3De Soto Parish: 10.2 %De Soto Parish10.2Iberia Parish: 10.2 %Iberia Parish10.2St. Bernard Parish: 10.2 %St. Bernard Parish10.2Franklin Parish: 10.1 %Franklin Parish10.1Evangeline Parish: 10 %Evangeline Parish10Jefferson Davis Parish: 10 %Jefferson Davis Parish10Tensas Parish: 10 %Tensas Parish10Avoyelles Parish: 9.9 %Avoyelles Parish9.9St. Landry Parish: 9.9 %St. Landry Parish9.9Acadia Parish: 9.8 %Acadia Parish9.8Cameron Parish: 9.7 %Cameron Parish9.7Beauregard Parish: 9.6 %Beauregard Parish9.6Washington Parish: 9.6 %Washington Parish9.6Catahoula Parish: 9.5 %Catahoula Parish9.5Natchitoches Parish: 9.5 %Natchitoches Parish9.5Orleans Parish: 9.5 %Orleans Parish9.5Richland Parish: 9.5 %Richland Parish9.5Concordia Parish: 9.4 %Concordia Parish9.4Jackson Parish: 9.4 %Jackson Parish9.4St. Martin Parish: 9.4 %St. Martin Parish9.4Webster Parish: 9.4 %Webster Parish9.4Assumption Parish: 9.3 %Assumption Parish9.3Morehouse Parish: 9.3 %Morehouse Parish9.3Pointe Coupee Parish: 9.3 %Pointe Coupee Parish9.3Rapides Parish: 9.3 %Rapides Parish9.3Allen Parish: 9.2 %Allen Parish9.2Union Parish: 9.2 %Union Parish9.2
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2018 (%)Change on 2017
1Jefferson Parish12+0.4 pts
2Terrebonne Parish11.9-0.1 pts
3Sabine Parish11.5-1.1 pts
4Vermilion Parish11+0.3 pts
5LaSalle Parish10.8-1.2 pts
6Caldwell Parish10.7-0.4 pts
6St. Helena Parish10.7+0.6 pts
8Lincoln Parish10.6+0.9 pts
8West Carroll Parish10.6-0.2 pts
10Claiborne Parish10.4-0.7 pts
10St. Mary Parish10.4-0.2 pts
12Lafourche Parish10.3-1.6 pts
12Plaquemines Parish10.3-1.4 pts
14De Soto Parish10.2+0.6 pts
14Iberia Parish10.2-0.1 pts
14St. Bernard Parish10.20 pts
17Franklin Parish10.1-1.6 pts
18Evangeline Parish100 pts
18Jefferson Davis Parish10-0.4 pts
18Tensas Parish10-1 pts
21Avoyelles Parish9.9-0.3 pts
21St. Landry Parish9.9+0.1 pts
23Acadia Parish9.8-0.9 pts
24Cameron Parish9.7+0.3 pts
25Beauregard Parish9.6+0.1 pts
25Washington Parish9.6-0.5 pts
27Catahoula Parish9.5-1.2 pts
27Natchitoches Parish9.5-0.1 pts
27Orleans Parish9.5-0.4 pts
27Richland Parish9.5-0.3 pts
31Concordia Parish9.4-0.5 pts
31Jackson Parish9.4-0.5 pts
31St. Martin Parish9.4-0.5 pts
31Webster Parish9.40 pts
35Assumption Parish9.3-1 pts
35Morehouse Parish9.3+0.1 pts
35Pointe Coupee Parish9.3-0.6 pts
35Rapides Parish9.3-0.3 pts
39Allen Parish9.2-0.1 pts
39Union Parish9.2-1 pts
41Calcasieu Parish8.80 pts
41East Baton Rouge Parish8.8+0.2 pts
41Livingston Parish8.8-0.1 pts
41Ouachita Parish8.8+0.4 pts
41Tangipahoa Parish8.8-1.3 pts
46Red River Parish8.6-0.2 pts
47Grant Parish8.5-0.9 pts
48Lafayette Parish8.4-1.7 pts
48Winn Parish8.4-0.8 pts
50Iberville Parish8.3-0.2 pts
50Vernon Parish8.30 pts
52East Feliciana Parish8.20 pts
52St. Tammany Parish8.2-0.7 pts
54Bossier Parish7.9-0.8 pts
54Caddo Parish7.9-0.7 pts
54Madison Parish7.9-1.1 pts
54St. John the Baptist Parish7.9-0.7 pts
58Bienville Parish7.8-1.2 pts
59East Carroll Parish7.4-0.8 pts
60West Feliciana Parish7.1+0.2 pts
61St. Charles Parish6.8-0.6 pts
61West Baton Rouge Parish6.8-0.7 pts
63St. James Parish6.6-0.5 pts
64Ascension Parish6.5-0.6 pts

Other periods

About this ranking

People under 65 without health insurance coverage of any kind, as a percentage of all people under 65. 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. People 65 and over are left out because nearly all of them have Medicare.

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, under 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-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, under 65, all races, both sexes, all income levels, states and counties (Counties in Louisiana by uninsured rate, under 65 (US model-based estimate), 2018) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties, Counties in Louisiana by uninsured rate, under 65 (US model-based estimate), 2018. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/louisiana-counties?period=2018. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Counties in Louisiana by uninsured rate, under 65 (US model-based estimate), 2018. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/louisiana-counties?period=2018.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties, Counties in Louisiana by uninsured rate, under 65 (US model-based estimate), 2018 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-under-65/louisiana-counties?period=2018 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_louisiana_by_2018,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties: Counties in Louisiana by uninsured rate, under 65 (US model-based estimate), 2018}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/louisiana-counties?period=2018. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties: Counties in Louisiana by uninsured rate, under 65 (US model-based estimate), 2018
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-2018-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-under-65/louisiana-counties?period=2018
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/louisiana-counties?period=2018.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip. Retrieved 2026-10-12.
ER  - 
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Questions

Which county has the highest uninsured rate, under 65 (US model-based estimate)?

Jefferson Parish, with 12% in 2018, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, under 65 (US model-based estimate)?

Ascension Parish, with 6.5% in 2018.

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, under 65, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, under 65 (US model-based estimate): other rankings

Counties in Louisiana: more rankings