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

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

Holmes County had the highest uninsured rate, ages 18 to 64 (US model-based estimate) of 88 counties in 2015, at 24.6%. Delaware County had the lowest, at 4.7%. The median was 8.8% and the figure for Ohio was 9%. Source: the U.S. Census Bureau.

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Highest24.6Holmes County
Lowest4.7Delaware County
Median8.888 counties
Ohio9History

Map of counties, 2015

Adams County: 11 %Allen County: 8.6 %Ashland County: 10.6 %Ashtabula County: 10 %Athens County: 9.2 %Auglaize County: 7.1 %Belmont County: 7.8 %Brown County: 10.7 %Butler County: 8.9 %Carroll County: 9.8 %Champaign County: 7.8 %Clark County: 9.6 %Clermont County: 8.1 %Clinton County: 8.5 %Columbiana County: 10.1 %Coshocton County: 10.6 %Crawford County: 8.8 %Cuyahoga County: 9.4 %Darke County: 9 %Defiance County: 8.6 %Delaware County: 4.7 %Erie County: 7.3 %Fairfield County: 7.4 %Fayette County: 9.7 %Franklin County: 11.1 %Fulton County: 8 %Gallia County: 10.2 %Geauga County: 9 %Greene County: 6.6 %Guernsey County: 9.2 %Hamilton County: 8.9 %Hancock County: 6.9 %Hardin County: 10.8 %Harrison County: 8.8 %Henry County: 7.6 %Highland County: 10.2 %Hocking County: 8.8 %Holmes County: 24.6 %Huron County: 9.6 %Jackson County: 10.9 %Jefferson County: 8.3 %Knox County: 9.7 %Lake County: 7.9 %Lawrence County: 9.3 %Licking County: 8.3 %Logan County: 8.2 %Lorain County: 7.6 %Lucas County: 9.5 %Madison County: 8.5 %Mahoning County: 8.8 %Marion County: 8.5 %Medina County: 6.5 %Meigs County: 10.7 %Mercer County: 7.3 %Miami County: 8.4 %Monroe County: 9.6 %Montgomery County: 9.9 %Morgan County: 9.7 %Morrow County: 8.2 %Muskingum County: 8.8 %Noble County: 8.6 %Ottawa County: 6.7 %Paulding County: 8.8 %Perry County: 9.6 %Pickaway County: 7.3 %Pike County: 11.2 %Portage County: 7.7 %Preble County: 8.9 %Putnam County: 6.4 %Richland County: 9.2 %Ross County: 8.8 %Sandusky County: 7.3 %Scioto County: 9.5 %Seneca County: 8.3 %Shelby County: 7.1 %Stark County: 8.5 %Summit County: 8.7 %Trumbull County: 9.5 %Tuscarawas County: 10.3 %Union County: 6.3 %Van Wert County: 7.4 %Vinton County: 10.3 %Warren County: 5.6 %Washington County: 8.6 %Wayne County: 11.4 %Williams County: 8.2 %Wood County: 6.4 %Wyandot County: 8.4 %
  • Under 7.3
  • 7.3 to 8.3
  • 8.3 to 8.8
  • 8.8 to 9.4
  • 9.4 to 10
  • 10 and over
%, 2015. 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, 2015

Holmes County: 24.6 %Holmes County24.6Wayne County: 11.4 %Wayne County11.4Pike County: 11.2 %Pike County11.2Franklin County: 11.1 %Franklin County11.1Adams County: 11 %Adams County11Jackson County: 10.9 %Jackson County10.9Hardin County: 10.8 %Hardin County10.8Brown County: 10.7 %Brown County10.7Meigs County: 10.7 %Meigs County10.7Ashland County: 10.6 %Ashland County10.6Coshocton County: 10.6 %Coshocton County10.6Tuscarawas County: 10.3 %Tuscarawas County10.3Vinton County: 10.3 %Vinton County10.3Gallia County: 10.2 %Gallia County10.2Highland County: 10.2 %Highland County10.2Columbiana County: 10.1 %Columbiana County10.1Ashtabula County: 10 %Ashtabula County10Montgomery County: 9.9 %Montgomery County9.9Carroll County: 9.8 %Carroll County9.8Fayette County: 9.7 %Fayette County9.7Knox County: 9.7 %Knox County9.7Morgan County: 9.7 %Morgan County9.7Clark County: 9.6 %Clark County9.6Huron County: 9.6 %Huron County9.6Monroe County: 9.6 %Monroe County9.6Perry County: 9.6 %Perry County9.6Lucas County: 9.5 %Lucas County9.5Scioto County: 9.5 %Scioto County9.5Trumbull County: 9.5 %Trumbull County9.5Cuyahoga County: 9.4 %Cuyahoga County9.4Lawrence County: 9.3 %Lawrence County9.3Athens County: 9.2 %Athens County9.2Guernsey County: 9.2 %Guernsey County9.2Richland County: 9.2 %Richland County9.2Darke County: 9 %Darke County9Geauga County: 9 %Geauga County9Butler County: 8.9 %Butler County8.9Hamilton County: 8.9 %Hamilton County8.9Preble County: 8.9 %Preble County8.9Crawford County: 8.8 %Crawford County8.8Holmes County: 24.6 %Holmes County24.6Wayne County: 11.4 %Wayne County11.4Pike County: 11.2 %Pike County11.2Franklin County: 11.1 %Franklin County11.1Adams County: 11 %Adams County11Jackson County: 10.9 %Jackson County10.9Hardin County: 10.8 %Hardin County10.8Brown County: 10.7 %Brown County10.7Meigs County: 10.7 %Meigs County10.7Ashland County: 10.6 %Ashland County10.6Coshocton County: 10.6 %Coshocton County10.6Tuscarawas County: 10.3 %Tuscarawas County10.3Vinton County: 10.3 %Vinton County10.3Gallia County: 10.2 %Gallia County10.2Highland County: 10.2 %Highland County10.2Columbiana County: 10.1 %Columbiana County10.1Ashtabula County: 10 %Ashtabula County10Montgomery County: 9.9 %Montgomery County9.9Carroll County: 9.8 %Carroll County9.8Fayette County: 9.7 %Fayette County9.7Knox County: 9.7 %Knox County9.7Morgan County: 9.7 %Morgan County9.7Clark County: 9.6 %Clark County9.6Huron County: 9.6 %Huron County9.6Monroe County: 9.6 %Monroe County9.6Perry County: 9.6 %Perry County9.6Lucas County: 9.5 %Lucas County9.5Scioto County: 9.5 %Scioto County9.5Trumbull County: 9.5 %Trumbull County9.5Cuyahoga County: 9.4 %Cuyahoga County9.4Lawrence County: 9.3 %Lawrence County9.3Athens County: 9.2 %Athens County9.2Guernsey County: 9.2 %Guernsey County9.2Richland County: 9.2 %Richland County9.2Darke County: 9 %Darke County9Geauga County: 9 %Geauga County9Butler County: 8.9 %Butler County8.9Hamilton County: 8.9 %Hamilton County8.9Preble County: 8.9 %Preble County8.9Crawford County: 8.8 %Crawford County8.8
%. 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

RankCounties2015 (%)Change on 2014
1Holmes County24.6-2.5 pts
2Wayne County11.4-3.1 pts
3Pike County11.2-3.3 pts
4Franklin County11.1-2.3 pts
5Adams County11-4.6 pts
6Jackson County10.9-3.2 pts
7Hardin County10.8-1.1 pts
8Brown County10.7-1.9 pts
8Meigs County10.7-3 pts
10Ashland County10.6-3.6 pts
10Coshocton County10.6-3.6 pts
12Tuscarawas County10.3-3.3 pts
12Vinton County10.3-3.3 pts
14Gallia County10.2-4.3 pts
14Highland County10.2-3.7 pts
16Columbiana County10.1-2.5 pts
17Ashtabula County10-3.7 pts
18Montgomery County9.9-3.3 pts
19Carroll County9.8-3 pts
20Fayette County9.7-3.4 pts
20Knox County9.7-1.9 pts
20Morgan County9.7-3.8 pts
23Clark County9.6-3.5 pts
23Huron County9.6-3 pts
23Monroe County9.6-1.9 pts
23Perry County9.6-3.8 pts
27Lucas County9.5-2.2 pts
27Scioto County9.5-3.6 pts
27Trumbull County9.5-3.8 pts
30Cuyahoga County9.4-2.8 pts
31Lawrence County9.3-3.1 pts
32Athens County9.2-3.2 pts
32Guernsey County9.2-4.1 pts
32Richland County9.2-3.9 pts
35Darke County9-2.9 pts
35Geauga County9-1.7 pts
37Butler County8.9-3 pts
37Hamilton County8.9-3.3 pts
37Preble County8.9-2 pts
40Crawford County8.8-3.8 pts
40Harrison County8.8-3.3 pts
40Hocking County8.8-3.6 pts
40Mahoning County8.8-3.2 pts
40Muskingum County8.8-4 pts
40Paulding County8.8-3.5 pts
40Ross County8.8-3.2 pts
47Summit County8.7-2.2 pts
48Allen County8.6-3.3 pts
48Defiance County8.6-2.9 pts
48Noble County8.6-4 pts
48Washington County8.6-3 pts
52Clinton County8.5-2.9 pts
52Madison County8.5-2.6 pts
52Marion County8.5-3.9 pts
52Stark County8.5-1.8 pts
56Miami County8.4-2.4 pts
56Wyandot County8.4-2.6 pts
58Jefferson County8.3-2.7 pts
58Licking County8.3-1.9 pts
58Seneca County8.3-2.5 pts
61Logan County8.2-4.4 pts
61Morrow County8.2-3.8 pts
61Williams County8.2-3.6 pts
64Clermont County8.1-2.8 pts
65Fulton County8-1.8 pts
66Lake County7.9-3.1 pts
67Belmont County7.8-3.8 pts
67Champaign County7.8-4.1 pts
69Portage County7.7-3.8 pts
70Henry County7.6-2.3 pts
70Lorain County7.6-3.2 pts
72Fairfield County7.4-2.2 pts
72Van Wert County7.4-3.7 pts
74Erie County7.3-3.3 pts
74Mercer County7.3-2.9 pts
74Pickaway County7.3-3.9 pts
74Sandusky County7.3-4.1 pts
78Auglaize County7.1-2.2 pts
78Shelby County7.1-2.4 pts
80Hancock County6.9-3 pts
81Ottawa County6.7-2.7 pts
82Greene County6.6-4.2 pts
83Medina County6.5-1.8 pts
84Putnam County6.4-2.9 pts
84Wood County6.4-3 pts
86Union County6.3-1.4 pts
87Warren County5.6-2.4 pts
88Delaware County4.7-1.5 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-2015-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 Ohio by uninsured rate, ages 18 to 64 (US model-based estimate), 2015) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2015-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 Ohio by uninsured rate, ages 18 to 64 (US model-based estimate), 2015. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2015-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/ohio-counties?period=2015. 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 Ohio by uninsured rate, ages 18 to 64 (US model-based estimate), 2015. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2015-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/ohio-counties?period=2015.

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 Ohio by uninsured rate, ages 18 to 64 (US model-based estimate), 2015 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2015-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-18-64/ohio-counties?period=2015 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_ohio_by_2015,
  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 Ohio by uninsured rate, ages 18 to 64 (US model-based estimate), 2015}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2015-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/ohio-counties?period=2015. 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-2015-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 Ohio by uninsured rate, ages 18 to 64 (US model-based estimate), 2015
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-2015-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-ages-18-64/ohio-counties?period=2015
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/ohio-counties?period=2015.
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-2015-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)?

Holmes County, with 24.6% in 2015, according to the U.S. Census Bureau.

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

Delaware County, with 4.7% in 2015.

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 Ohio: more rankings