What share of adults smoke in Decatur?

An estimated 18.1% of adults in Decatur smoked cigarettes in 2023, joint 61st highest of 810 US cities of 50,000 or more with an estimate (CDC PLACES model-based estimate for 2023, age-adjusted).

Health in Decatur, Illinois: official figures

4.7% of residents of Decatur (3,222 people) had no health insurance in 2020-2024, 157th lowest of 823 US cities of 50,000 or more (US: 8.4%; Illinois: 6.9%).

Residents without health insurance

4.7%

2020-2024

Adults with obesity (age-adjusted)

45.1%

2023

How many children in Decatur are uninsured?

In Decatur, 1.7% of children under 19 and 7.5% of adults aged 19 to 64 were uninsured in 2020-2024, against 0.4% of those 65 and over (US: 5.5%, 11.7% and 0.8%).

Source: U.S. Census Bureau · saved copy

How many people in Decatur are on Medicaid?

29.8% of residents of Decatur under 65 had Medicaid or other means-tested public coverage as their only health insurance in 2020-2024, 115th highest of 823 US cities of 50,000 or more (US: 18.1%; Illinois: 17.8%).

Source: U.S. Census Bureau · saved copy

How many people in Decatur have a disability?

16.7% of residents of Decatur (11,427 people) reported a disability in 2020-2024, 89th highest of 823 US cities of 50,000 or more (US: 13.3%; Illinois: 12.1%); 8.5% had two or more types of disability.

Source: U.S. Census Bureau · saved copy

How many older people in Decatur have a disability?

By age, 37.3% of residents of Decatur aged 65 and over, 13.8% of those aged 18 to 64 and 4.3% of children under 18 reported a disability in 2020-2024 (US: 32.9%, 10.9% and 4.9%).

Source: U.S. Census Bureau · saved copy

What is the obesity rate in Decatur, Illinois?

An estimated 45.1% of adults in Decatur had obesity in 2023, joint 19th highest of 810 US cities of 50,000 or more with an estimate (CDC PLACES model-based estimate for 2023, age-adjusted).

Source: Centers for Disease Control and Prevention · saved copy

How common is diabetes in Decatur?

An estimated 12.3% of adults in Decatur had been told by a doctor that they have diabetes, joint 210th highest of 810 US cities of 50,000 or more with an estimate (CDC PLACES model-based estimate for 2023, age-adjusted).

Source: Centers for Disease Control and Prevention · saved copy

How is mental health in Decatur?

An estimated 20.1% of adults in Decatur reported poor mental health on 14 or more of the past 30 days, joint 67th highest of 810 US cities of 50,000 or more with an estimate, and 23.1% had ever been told they have depression (CDC PLACES model-based estimate for 2023, age-adjusted).

Source: Centers for Disease Control and Prevention · saved copy

How many adults in Decatur have high blood pressure?

In Decatur, an estimated 36.2% of adults had high blood pressure and 27.7% did no physical activity outside work, joint 243rd highest of 810 US cities of 50,000 or more with an estimate for physical inactivity (CDC PLACES model-based estimate for 2023, age-adjusted).

Source: Centers for Disease Control and Prevention · saved copy

How many adults in Decatur see a doctor for a check-up?

An estimated 76.9% of adults in Decatur had a routine check-up with a doctor in the past year, joint 253rd highest of 810 US cities of 50,000 or more with an estimate (CDC PLACES model-based estimate for 2023, age-adjusted).

Source: Centers for Disease Control and Prevention · saved copy

How Decatur compares with other cities in the United States

Residents without health insurance (2020-2024)

Decatur ranks 667 of 823, highest first.

Rank	City	Residents without health insurance
664	Turlock	4.7%
665	Pawtucket	4.7%
666	Wake Forest	4.7%
667	Decatur	4.7%
668	Modesto	4.7%
669	Draper	4.7%
670	Franklin	4.7%

Source: U.S. Census Bureau · saved copy

Residents with a disability (2020-2024)

Decatur ranks 89 of 823, highest first.

Rank	City	Residents with a disability
86	Deltona	16.8%
87	Hamilton	16.8%
88	St. Louis	16.8%
89	Decatur	16.7%
90	New Britain	16.7%
91	Palm Desert	16.7%
92	Prescott Valley	16.7%

Source: U.S. Census Bureau · saved copy

Adults with obesity (age-adjusted model estimate) (2023)

Decatur ranks 19 of 810, highest first.

Rank	City	Adults with obesity (age-adjusted model estimate)
16	Port Arthur	45.4%
17	Rockford	45.2%
18	Lawton	45.2%
19	Decatur	45.1%
20	Terre Haute	45.1%
21	Macon-Bibb County	44.8%
22	Kalamazoo	44.5%

Source: Centers for Disease Control and Prevention · saved copy

Adults with diagnosed diabetes (age-adjusted model estimate) (2023)

Decatur ranks 219 of 810, highest first.

Rank	City	Adults with diagnosed diabetes (age-adjusted model estimate)
216	San Angelo	12.3%
217	Carson	12.3%
218	Southfield	12.3%
219	Decatur	12.3%
220	Sanford	12.3%
221	Midwest City	12.3%
222	Gardena	12.3%

Source: Centers for Disease Control and Prevention · saved copy

Adults who smoke cigarettes (age-adjusted model estimate) (2023)

Decatur ranks 63 of 810, highest first.

Rank	City	Adults who smoke cigarettes (age-adjusted model estimate)
60	Macon-Bibb County	18.2%
61	Newark	18.1%
62	Springfield	18.1%
63	Decatur	18.1%
64	Milwaukee	18.0%
65	Bossier City	18.0%
66	Enid	18.0%

Source: Centers for Disease Control and Prevention · saved copy

Adults with 14+ poor mental health days a month (age-adjusted model estimate) (2023)

Decatur ranks 70 of 810, highest first.

Rank	City	Adults with 14+ poor mental health days a month (age-adjusted model estimate)
67	Las Vegas	20.1%
68	Clarksville	20.1%
69	Apple Valley	20.1%
70	Decatur	20.1%
71	Gallatin	20.1%
72	Lebanon	20.1%
73	Newark	20.1%

Source: Centers for Disease Control and Prevention · saved copy

More on Decatur: overview · economy and jobs · education and schools · poverty and living standards · government budget · all cities in the United States

Sources

U.S. Census Bureau: American Community Survey 2020-2024 5-year estimates, table C18108: Age by Number of Disabilities (Summary File rows for the US, the states and the listed cities, copied unchanged from the full file, sha256 8116247db31952c99ba053e6b0c767675a9674703b6b32e7705f1e4952f3b426), read 23 October 2026 · saved copy (SHA-256 b8f09efa878c…)
U.S. Census Bureau: American Community Survey 2020-2024 5-year estimates, table B27010: Types of Health Insurance Coverage by Age (Summary File rows for the US, the states and the listed cities, copied unchanged from the full file, sha256 2ceba99dada3ec1042310e1dc1f00bcc819de765c3143028aa000df025012a69), read 23 October 2026 · saved copy (SHA-256 3db662ef4cb3…)
Centers for Disease Control and Prevention: PLACES: Place Data (GIS Friendly Format), 2025 release: model-based age-adjusted prevalence among adults, for every place (data.cdc.gov API, columns used), read 23 October 2026 · saved copy (SHA-256 b2174bcc660f…)

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