Data / Rankings / High blood pressure in adults, local model estimate / Counties in Illinois

Counties in Illinois by high blood pressure in adults, local model estimate, 2023

Alexander County had the highest high blood pressure in adults, local model estimate of 102 counties in 2023, at 47.9%. Champaign County had the lowest, at 28.7%. The median was 37.5%. Source: the Centers for Disease Control and Prevention.

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Highest47.9Alexander County
Lowest28.7Champaign County
Median37.5102 counties

Map of counties, 2023

Adams County: 37.2 %Alexander County: 47.9 %Bond County: 35.5 %Boone County: 34.9 %Brown County: 36.4 %Bureau County: 37.9 %Calhoun County: 38 %Carroll County: 39.3 %Cass County: 37.4 %Champaign County: 28.7 %Christian County: 37.5 %Clark County: 36.8 %Clay County: 39.7 %Clinton County: 35.5 %Coles County: 34 %Cook County: 31 %Crawford County: 37.6 %Cumberland County: 37.2 %DeKalb County: 30.4 %De Witt County: 37.2 %Douglas County: 35.4 %DuPage County: 30.7 %Edgar County: 40.3 %Edwards County: 40.2 %Effingham County: 35.2 %Fayette County: 37.6 %Ford County: 37.1 %Franklin County: 38.7 %Fulton County: 39.2 %Gallatin County: 41.6 %Greene County: 38.9 %Grundy County: 32.3 %Hamilton County: 39.9 %Hancock County: 39.6 %Hardin County: 42.1 %Henderson County: 41.8 %Henry County: 36.4 %Iroquois County: 40 %Jackson County: 33.6 %Jasper County: 36.9 %Jefferson County: 38.5 %Jersey County: 36.2 %Jo Daviess County: 40.4 %Johnson County: 38.4 %Kane County: 30.4 %Kankakee County: 37.7 %Kendall County: 29.6 %Knox County: 38.7 %Lake County: 32.4 %LaSalle County: 36.4 %Lawrence County: 38.1 %Lee County: 38 %Livingston County: 36.6 %Logan County: 35.6 %McDonough County: 34.1 %McHenry County: 33.7 %McLean County: 30.9 %Macon County: 39.2 %Macoupin County: 38.2 %Madison County: 35.5 %Marion County: 38.5 %Marshall County: 38.9 %Mason County: 39.1 %Massac County: 39.9 %Menard County: 36.8 %Mercer County: 37.6 %Monroe County: 33.9 %Montgomery County: 37.4 %Morgan County: 38 %Moultrie County: 36.1 %Ogle County: 36.9 %Peoria County: 36.9 %Perry County: 38.5 %Piatt County: 35.4 %Pike County: 39.4 %Pope County: 43 %Pulaski County: 45.3 %Putnam County: 37.4 %Randolph County: 39.1 %Richland County: 37.5 %Rock Island County: 36.1 %St. Clair County: 39 %Saline County: 39.2 %Sangamon County: 37 %Schuyler County: 41.4 %Scott County: 37.4 %Shelby County: 38.9 %Stark County: 38.5 %Stephenson County: 40.1 %Tazewell County: 35.3 %Union County: 39.8 %Vermilion County: 42.2 %Wabash County: 38.4 %Warren County: 36.1 %Washington County: 36.5 %Wayne County: 39.7 %White County: 40.9 %Whiteside County: 37.1 %Will County: 32 %Williamson County: 37.2 %Winnebago County: 38.2 %Woodford County: 34.7 %
  • Under 35
  • 35 to 37
  • 37 to 38
  • 38 to 39
  • 39 to 40
  • 40 and over
%, 2023. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh and later releases), high blood pressure in adults, crude prevalence. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2023

Alexander County: 47.9 %Alexander County47.9Pulaski County: 45.3 %Pulaski County45.3Pope County: 43 %Pope County43Vermilion County: 42.2 %Vermilion County42.2Hardin County: 42.1 %Hardin County42.1Henderson County: 41.8 %Henderson County41.8Gallatin County: 41.6 %Gallatin County41.6Schuyler County: 41.4 %Schuyler County41.4White County: 40.9 %White County40.9Jo Daviess County: 40.4 %Jo Daviess County40.4Edgar County: 40.3 %Edgar County40.3Edwards County: 40.2 %Edwards County40.2Stephenson County: 40.1 %Stephenson County40.1Iroquois County: 40 %Iroquois County40Hamilton County: 39.9 %Hamilton County39.9Massac County: 39.9 %Massac County39.9Union County: 39.8 %Union County39.8Clay County: 39.7 %Clay County39.7Wayne County: 39.7 %Wayne County39.7Hancock County: 39.6 %Hancock County39.6Pike County: 39.4 %Pike County39.4Carroll County: 39.3 %Carroll County39.3Fulton County: 39.2 %Fulton County39.2Macon County: 39.2 %Macon County39.2Saline County: 39.2 %Saline County39.2Mason County: 39.1 %Mason County39.1Randolph County: 39.1 %Randolph County39.1St. Clair County: 39 %St. Clair County39Greene County: 38.9 %Greene County38.9Marshall County: 38.9 %Marshall County38.9Shelby County: 38.9 %Shelby County38.9Franklin County: 38.7 %Franklin County38.7Knox County: 38.7 %Knox County38.7Jefferson County: 38.5 %Jefferson County38.5Marion County: 38.5 %Marion County38.5Perry County: 38.5 %Perry County38.5Stark County: 38.5 %Stark County38.5Johnson County: 38.4 %Johnson County38.4Wabash County: 38.4 %Wabash County38.4Macoupin County: 38.2 %Macoupin County38.2Alexander County: 47.9 %Alexander County47.9Pulaski County: 45.3 %Pulaski County45.3Pope County: 43 %Pope County43Vermilion County: 42.2 %Vermilion County42.2Hardin County: 42.1 %Hardin County42.1Henderson County: 41.8 %Henderson County41.8Gallatin County: 41.6 %Gallatin County41.6Schuyler County: 41.4 %Schuyler County41.4White County: 40.9 %White County40.9Jo Daviess County: 40.4 %Jo Daviess County40.4Edgar County: 40.3 %Edgar County40.3Edwards County: 40.2 %Edwards County40.2Stephenson County: 40.1 %Stephenson County40.1Iroquois County: 40 %Iroquois County40Hamilton County: 39.9 %Hamilton County39.9Massac County: 39.9 %Massac County39.9Union County: 39.8 %Union County39.8Clay County: 39.7 %Clay County39.7Wayne County: 39.7 %Wayne County39.7Hancock County: 39.6 %Hancock County39.6Pike County: 39.4 %Pike County39.4Carroll County: 39.3 %Carroll County39.3Fulton County: 39.2 %Fulton County39.2Macon County: 39.2 %Macon County39.2Saline County: 39.2 %Saline County39.2Mason County: 39.1 %Mason County39.1Randolph County: 39.1 %Randolph County39.1St. Clair County: 39 %St. Clair County39Greene County: 38.9 %Greene County38.9Marshall County: 38.9 %Marshall County38.9Shelby County: 38.9 %Shelby County38.9Franklin County: 38.7 %Franklin County38.7Knox County: 38.7 %Knox County38.7Jefferson County: 38.5 %Jefferson County38.5Marion County: 38.5 %Marion County38.5Perry County: 38.5 %Perry County38.5Stark County: 38.5 %Stark County38.5Johnson County: 38.4 %Johnson County38.4Wabash County: 38.4 %Wabash County38.4Macoupin County: 38.2 %Macoupin County38.2
%. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh and later releases), high blood pressure in adults, crude prevalence. Retrieved 2026-10-12.

Full ranking

RankCounties2023 (%)
1Alexander County47.9
2Pulaski County45.3
3Pope County43
4Vermilion County42.2
5Hardin County42.1
6Henderson County41.8
7Gallatin County41.6
8Schuyler County41.4
9White County40.9
10Jo Daviess County40.4
11Edgar County40.3
12Edwards County40.2
13Stephenson County40.1
14Iroquois County40
15Hamilton County39.9
15Massac County39.9
17Union County39.8
18Clay County39.7
18Wayne County39.7
20Hancock County39.6
21Pike County39.4
22Carroll County39.3
23Fulton County39.2
23Macon County39.2
23Saline County39.2
26Mason County39.1
26Randolph County39.1
28St. Clair County39
29Greene County38.9
29Marshall County38.9
29Shelby County38.9
32Franklin County38.7
32Knox County38.7
34Jefferson County38.5
34Marion County38.5
34Perry County38.5
34Stark County38.5
38Johnson County38.4
38Wabash County38.4
40Macoupin County38.2
40Winnebago County38.2
42Lawrence County38.1
43Calhoun County38
43Lee County38
43Morgan County38
46Bureau County37.9
47Kankakee County37.7
48Crawford County37.6
48Fayette County37.6
48Mercer County37.6
51Christian County37.5
51Richland County37.5
53Cass County37.4
53Montgomery County37.4
53Putnam County37.4
53Scott County37.4
57Adams County37.2
57Cumberland County37.2
57De Witt County37.2
57Williamson County37.2
61Ford County37.1
61Whiteside County37.1
63Sangamon County37
64Jasper County36.9
64Ogle County36.9
64Peoria County36.9
67Clark County36.8
67Menard County36.8
69Livingston County36.6
70Washington County36.5
71Brown County36.4
71Henry County36.4
71LaSalle County36.4
74Jersey County36.2
75Moultrie County36.1
75Rock Island County36.1
75Warren County36.1
78Logan County35.6
79Bond County35.5
79Clinton County35.5
79Madison County35.5
82Douglas County35.4
82Piatt County35.4
84Tazewell County35.3
85Effingham County35.2
86Boone County34.9
87Woodford County34.7
88McDonough County34.1
89Coles County34
90Monroe County33.9
91McHenry County33.7
92Jackson County33.6
93Lake County32.4
94Grundy County32.3
95Will County32
96Cook County31
97McLean County30.9
98DuPage County30.7
99DeKalb County30.4
99Kane County30.4
101Kendall County29.6
102Champaign County28.7

Other periods

About this ranking

Percentage of adults who have ever been told by a doctor, nurse or other health professional that they have high blood pressure. Model-based estimate for adults aged 18 and over from CDC PLACES. Crude prevalence, not age-adjusted.

US counties and cities (incorporated places of 10,000 or more). CDC PLACES combines Behavioral Risk Factor Surveillance System (BRFSS) answers with local population data through multilevel regression and poststratification, so a county or city value is a model estimate, not a survey count. The year is the BRFSS survey year, not the release year. CDC says the method does not support tracking change in a place over time, and each annual release can change the model, so values for different years are not strictly comparable. A state is missing in a year when its BRFSS data did not meet standards (Kentucky and Pennsylvania in 2023, Florida in 2021). Connecticut counties appear as its nine planning regions from 2021; its eight former counties are not served. The question is asked in odd years only.

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

Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh and later releases), high blood pressure in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.

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

Centers for Disease Control and Prevention. (2025). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh and later releases), high blood pressure in adults, crude prevalence (Counties in Illinois by high blood pressure in adults, local model estimate, 2023) [Data set]. Retrieved October 12, 2026, from https://www.cdc.gov/places/

MLA 9

PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh and later releases), high blood pressure in adults, crude prevalence, Counties in Illinois by high blood pressure in adults, local model estimate, 2023. Centers for Disease Control and Prevention, 4 Dec. 2025, https://www.cdc.gov/places/. Invokely, https://invokely.ai/rankings/adult-high-blood-pressure-rate-county-estimate/illinois-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

Centers for Disease Control and Prevention. 2025. PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh and later releases), high blood pressure in adults, crude prevalence. Counties in Illinois by high blood pressure in adults, local model estimate, 2023. Dataset. Accessed October 12, 2026. https://www.cdc.gov/places/. Also distributed by Invokely, https://invokely.ai/rankings/adult-high-blood-pressure-rate-county-estimate/illinois-counties.

Harvard

Centers for Disease Control and Prevention (2025) PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh and later releases), high blood pressure in adults, crude prevalence, Counties in Illinois by high blood pressure in adults, local model estimate, 2023 [Dataset]. Available at: https://www.cdc.gov/places/, via Invokely: https://invokely.ai/rankings/adult-high-blood-pressure-rate-county-estimate/illinois-counties (Accessed: 12 October 2026).

BibTeX
@misc{centers_counties_in_illinois_by_2023,
  author = {{Centers for Disease Control and Prevention}},
  title = {{PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh and later releases), high blood pressure in adults, crude prevalence: Counties in Illinois by high blood pressure in adults, local model estimate, 2023}},
  year = {2025},
  howpublished = {Data set},
  url = {https://www.cdc.gov/places/},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/adult-high-blood-pressure-rate-county-estimate/illinois-counties. Publisher attribution: Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh and later releases), high blood pressure in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.},
}
RIS
TY  - DATA
AU  - Centers for Disease Control and Prevention
TI  - PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh and later releases), high blood pressure in adults, crude prevalence: Counties in Illinois by high blood pressure in adults, local model estimate, 2023
PY  - 2025
DA  - 2025/12/04
PB  - Centers for Disease Control and Prevention
DB  - Invokely
UR  - https://www.cdc.gov/places/
L2  - https://invokely.ai/rankings/adult-high-blood-pressure-rate-county-estimate/illinois-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/adult-high-blood-pressure-rate-county-estimate/illinois-counties.
N1  - Publisher attribution: Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh and later releases), high blood pressure in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.
ER  -
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Rank Counties in Illinois by high blood pressure in adults, local model estimate using official data, and cite the source.
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Questions

Which county has the highest high blood pressure in adults, local model estimate?

Alexander County, with 47.9% in 2023, according to the Centers for Disease Control and Prevention.

Which county has the lowest high blood pressure in adults, local model estimate?

Champaign County, with 28.7% in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: Centers for Disease Control and Prevention, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh and later releases), high blood pressure in adults, crude prevalence. Retrieved 2026-10-12.

High blood pressure in adults, local model estimate: other rankings

Counties in Illinois: more rankings