Demographics of Hancock County, Illinois

Hancock County, Illinois had 16,803 people on July 1, 2025, by the Census Bureau’s estimate: −767 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Hancock County, in four figures

16,803
Population: July 1, 2025, Vintage 2025 estimate.; −4.4%
Change since July 2020: −767 people.; 46.9 ±0.5
Median age: ACS 2020–⁠2024.; $65,865 ±$3,254
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Hancock County, Illinois's population shrank 4.4% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Hancock County, Illinois's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Hancock County, Illinois's population shrank 4.4% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Hancock County, Illinois's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	17,570	100.0	100.0
2021	17,412	99.1	100.2
2022	17,265	98.3	100.7
2023	17,192	97.8	101.6
2024	16,936	96.4	102.5
2025	16,803	95.6	103.1

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Population of Hancock County, Illinois on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	17,570	−71	−16	0	−50
2021	17,412	−158	−87	0	−77
2022	17,265	−147	−88	+5	−61
2023	17,192	−73	−58	+14	−25
2024	16,936	−256	−75	+12	−192
2025	16,803	−133	−80	+9	−63

Age, 2020–2024

The median age is 46.9 ±0.5: for men 44.9 ±0.4 and for women 47.6 ±0.3. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Hancock County by age, ACS 2020–2024
Age	People	Share	Illinois	United States
Under 5	828 ±18	4.8% ±0.1	5.4% ±<0.1	5.6% ±<0.1
5 to 17	2,807 ±169	16.2% ±1.0	16.4% ±0.1	16.3% ±<0.1
18 to 24	1,148 ±113	6.6% ±0.7	9.1% ±<0.1	9.1% ±<0.1
25 to 44	3,620 ±159	20.9% ±0.9	26.9% ±0.1	26.9% ±<0.1
45 to 64	4,622 ±203	26.7% ±1.2	25.2% ±0.1	24.8% ±<0.1
65 and over	4,256 ±251	24.6% ±1.5	17.0% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $65,865 ±$3,254, and income per person $37,092 ±$2,485, in 2024 dollars. The median is $83,390 ±$362 in Illinois and $80,734 ±$166 in the United States.

Households by income

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Households in Hancock County by income, ACS 2020–2024
Household income	Households	Share	Illinois	United States
Under $25,000	1,342 ±171	17.6% ±2.2	14.6% ±0.1	14.6% ±<0.1
$25,000 to $49,999	1,595 ±212	21.0% ±2.7	16.0% ±0.2	16.7% ±<0.1
$50,000 to $74,999	1,365 ±170	17.9% ±2.2	14.8% ±0.1	15.5% ±<0.1
$75,000 to $99,999	1,133 ±141	14.9% ±1.8	12.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	1,266 ±162	16.6% ±2.1	18.0% ±0.2	17.5% ±<0.1
$150,000 to $199,999	552 ±129	7.3% ±1.7	10.1% ±0.1	9.6% ±<0.1
$200,000 or more	360 ±92	4.7% ±1.2	13.8% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Hancock County by age, ACS 2020–2024
Age	Below poverty	Rate	Illinois	United States
All ages	2,085 ±328	12.3% ±1.9	11.8% ±0.1	12.5% ±0.1
Under 18	568 ±138	15.9% ±3.7	15.1% ±0.2	16.1% ±0.1
18 to 59	937 ±157	12.0% ±2.0	11.0% ±0.1	11.6% ±0.1
60 and over	580 ±130	10.3% ±2.3	10.6% ±0.1	11.0% ±<0.1

Housing, 2020–2024

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Housing in Hancock County, ACS 2020–2024
Measure	Hancock County	Illinois	United States
Housing units	8,938 ±48	5,457,452 ±471	143,775,355 ±10,234
Occupied	85.2% ±1.9	92.3% ±0.1	89.9% ±0.1
Vacant	14.8% ±2.0	7.7% ±0.1	10.1% ±0.1
Owner occupied	81.3% ±1.8	67.1% ±0.3	65.2% ±0.3
Renter occupied	18.7% ±2.0	32.9% ±0.2	34.8% ±0.1
Median home value	$113,800 ±$4,244	$263,300 ±$797	$332,700 ±$236
Median gross rent	$782 ±$54	$1,274 ±$5	$1,413 ±$2
Median year built	1964 ±3	1971 ±2	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Hancock County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Illinois	United States
Hispanic or Latino	397 ±0	2.3% ±<0.1	18.8% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	16,246 ±66	94.0% ±0.4	58.1% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	128 ±52	0.7% ±0.3	13.3% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	62 ±26	0.4% ±0.2	5.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 21	0% to 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 33	0% to 0.2%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 41	0% to 0.2%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	405 ±89	2.3% ±0.5	3.4% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Hancock County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Illinois	United States
Born in the state	9,463 ±395	54.8% ±2.3	66.5% ±0.1	57.3% ±<0.1
Born in another state	7,530 ±396	43.6% ±2.3	17.5% ±0.1	26.9% ±<0.1
Born a citizen outside the states	6 to 68	< 0.1% to 0.4%	1.3% ±<0.1	1.7% ±<0.1
Born abroad	251 ±59	1.5% ±0.3	14.7% ±0.1	14.1% ±<0.1
Naturalized citizens	75 ±34	0.4% ±0.2	7.7% ±0.1	7.4% ±<0.1
Not citizens	176 ±46	1.0% ±0.3	7.0% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Hancock County among the counties of Illinois

61st of 102 by population, July 2025. Every one is listed on the Illinois page.

Counties of Illinois near Hancock County in population, July 2025
County	July 2025	Change since 2020
Shelby County	20,576	−1.6%
Perry County	20,160	−3.5%
Douglas County	19,880	+0.5%
Crawford County	18,648	+0.1%
Bond County	16,959	+0.6%
Hancock County	16,803	−4.4%
Piatt County	16,791	+0.6%
Union County	16,656	−3.7%
Edgar County	16,323	−2.9%
Warren County	16,222	−3.7%
Wayne County	15,882	−1.6%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026