Data / Uninsured rate, ages 18 to 64 (US model-based estimate) / Winnebago County

Uninsured rate, ages 18 to 64 (US model-based estimate) in Winnebago County

Uninsured rate, ages 18 to 64 (US model-based estimate) in Winnebago County was 10.3% in 2024, according to the U.S. Census Bureau. That is up 1.5 pts from 2023. That is the 8th highest of 102 counties in 2024.

202410.3%
Change on 2023+1.5 pts
Rank8th of 102Counties in Illinois ranked
Series high19.82010
Series low8.42016

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Uninsured rate, ages 18 to 64 (US model-based estimate) in Winnebago County, 2008 to 2024

7.51012.51517.5202008201120142017202020242008: 16.4 %2009: 19.4 %2010: 19.8 %2011: 19.3 %2012: 18.9 %2013: 16.9 %2014: 13.6 %2015: 9 %2016: 8.4 %2017: 9.2 %2018: 9.8 %2019: 10 %2020: 10.7 %2021: 10.5 %2022: 8.6 %2023: 8.8 %2024: 10.3 %51015202008201420242008: 16.4 %2009: 19.4 %2010: 19.8 %2011: 19.3 %2012: 18.9 %2013: 16.9 %2014: 13.6 %2015: 9 %2016: 8.4 %2017: 9.2 %2018: 9.8 %2019: 10 %2020: 10.7 %2021: 10.5 %2022: 8.6 %2023: 8.8 %2024: 10.3 %
%. 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, published 2026-08-06.
All 17 values
Period%
202410.3
20238.8
20228.6
202110.5
202010.7
201910
20189.8
20179.2
20168.4
20159
201413.6
201316.9
201218.9
201119.3
201019.8
200919.4
200816.4

Compared with Illinois

Place2024
Winnebago County10.3
Illinois9.8

Winnebago County compared with nearby places

Adams County: 7.1 %Alexander County: 7.5 %Bond County: 8.5 %Boone County: 9.9 %Brown County: 6.6 %Bureau County: 8.7 %Calhoun County: 5.6 %Carroll County: 9.3 %Cass County: 11.3 %Champaign County: 7.6 %Christian County: 7.5 %Clark County: 7.6 %Clay County: 8.6 %Clinton County: 6.9 %Coles County: 8.7 %Cook County: 12.1 %Crawford County: 8 %Cumberland County: 6.2 %DeKalb County: 9 %De Witt County: 6.7 %Douglas County: 12 %DuPage County: 7.5 %Edgar County: 7.9 %Edwards County: 7.1 %Effingham County: 7 %Fayette County: 10.3 %Ford County: 8.6 %Franklin County: 8.7 %Fulton County: 8.1 %Gallatin County: 8.1 %Greene County: 8.5 %Grundy County: 5.6 %Hamilton County: 7.7 %Hancock County: 7.5 %Hardin County: 6.6 %Henderson County: 7.6 %Henry County: 7.5 %Iroquois County: 9.8 %Jackson County: 9.5 %Jasper County: 6.7 %Jefferson County: 7.8 %Jersey County: 6.2 %Jo Daviess County: 7.6 %Johnson County: 9 %Kane County: 10.9 %Kankakee County: 8.3 %Kendall County: 6.5 %Knox County: 7.7 %Lake County: 9.1 %LaSalle County: 7.6 %Lawrence County: 9.3 %Lee County: 7.7 %Livingston County: 7.8 %Logan County: 6.7 %McDonough County: 8.6 %McHenry County: 7.6 %McLean County: 6.8 %Macon County: 6.9 %Macoupin County: 7.7 %Madison County: 7.2 %Marion County: 8.3 %Marshall County: 8.1 %Mason County: 8.1 %Massac County: 8.5 %Menard County: 6.7 %Mercer County: 7.5 %Monroe County: 4.8 %Montgomery County: 8.2 %Morgan County: 7.9 %Moultrie County: 11.8 %Ogle County: 8 %Peoria County: 7.8 %Perry County: 7.9 %Piatt County: 5.4 %Pike County: 8.9 %Pope County: 6.9 %Pulaski County: 7.7 %Putnam County: 7.2 %Randolph County: 8.2 %Richland County: 8.3 %Rock Island County: 9.2 %St. Clair County: 7.5 %Saline County: 8.3 %Sangamon County: 6.4 %Schuyler County: 9 %Scott County: 5.8 %Shelby County: 6.6 %Stark County: 6.4 %Stephenson County: 7.7 %Tazewell County: 6.4 %Union County: 9.5 %Vermilion County: 7.8 %Wabash County: 7.2 %Warren County: 10.5 %Washington County: 6.2 %Wayne County: 10.5 %White County: 9.4 %Whiteside County: 7.6 %Will County: 7.8 %Williamson County: 7.1 %Winnebago County: 10.3 %Woodford County: 6.3 %
  • Under 6.7
  • 6.7 to 7.5
  • 7.5 to 7.8
  • 7.8 to 8.3
  • 8.3 to 9.1
  • 9.1 and over
Uninsured rate, ages 18 to 64 (US model-based estimate), 2024, %. Winnebago County is outlined. Same source and period for every area shown. Source: U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Rankings

Definition

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.

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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-2024-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 (Uninsured rate, ages 18 to 64 (US model-based estimate), Winnebago County, 2008 to 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-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, Uninsured rate, ages 18 to 64 (US model-based estimate), Winnebago County, 2008 to 2024. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Invokely, https://invokely.ai/en/uninsured-rate-ages-18-64/winnebago-county-illinois. 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. Uninsured rate, ages 18 to 64 (US model-based estimate), Winnebago County, 2008 to 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Also distributed by Invokely, https://invokely.ai/en/uninsured-rate-ages-18-64/winnebago-county-illinois.

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, Uninsured rate, ages 18 to 64 (US model-based estimate), Winnebago County, 2008 to 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip, via Invokely: https://invokely.ai/en/uninsured-rate-ages-18-64/winnebago-county-illinois (Accessed: 12 October 2026).

BibTeX
@misc{census_uninsured_rate_ages_18_2024,
  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: Uninsured rate, ages 18 to 64 (US model-based estimate), Winnebago County, 2008 to 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/uninsured-rate-ages-18-64/winnebago-county-illinois. 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-2024-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: Uninsured rate, ages 18 to 64 (US model-based estimate), Winnebago County, 2008 to 2024
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-2024-csv.zip
L2  - https://invokely.ai/en/uninsured-rate-ages-18-64/winnebago-county-illinois
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/uninsured-rate-ages-18-64/winnebago-county-illinois.
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-2024-csv.zip. Retrieved 2026-10-12.
ER  -
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Questions

What is the uninsured rate, ages 18 to 64 (US model-based estimate) in Winnebago County?

Uninsured rate, ages 18 to 64 (US model-based estimate) in Winnebago County was 10.3% in 2024, according to the U.S. Census Bureau. That is up 1.5 pts from 2023. That is the 8th highest of 102 counties in 2024.

Where does this figure come from?

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 by Invokely on 2026-10-12.

What was the highest uninsured rate, ages 18 to 64 (US model-based estimate) in Winnebago County?

19.8% in 2010, the highest value since 2008 in this series.

Related statistics for Winnebago County

All statistics for Winnebago County | Winnebago County in figures