Demographics of Moultrie County, Illinois

Moultrie County, Illinois had 14,371 people on July 1, 2025, by the Census Bureau’s estimate: −114 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.

Moultrie County, in four figures

14,371
Population: July 1, 2025, Vintage 2025 estimate.; −0.8%
Change since July 2020: −114 people.; 40.1 ±0.7
Median age: ACS 2020–⁠2024.; $71,784 ±$7,457
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.

Moultrie County, Illinois's population shrank 0.8% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Moultrie 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

Moultrie County, Illinois's population shrank 0.8% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Moultrie 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	14,485	100.0	100.0
2021	14,563	100.5	100.2
2022	14,354	99.1	100.7
2023	14,339	99.0	101.6
2024	14,442	99.7	102.5
2025	14,371	99.2	103.1

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Population of Moultrie 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	14,485	−45	−18	0	−26
2021	14,563	+78	+6	+1	+63
2022	14,354	−209	−79	+6	−141
2023	14,339	−15	−23	+6	+6
2024	14,442	+103	+10	+5	+90
2025	14,371	−71	0	+2	−73

Age, 2020–2024

The median age is 40.1 ±0.7: for men 38.5 ±1.3 and for women 41.1 ±1.6. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Moultrie County by age, ACS 2020–2024
Age	People	Share	Illinois	United States
Under 5	818 ±31	5.7% ±0.2	5.4% ±<0.1	5.6% ±<0.1
5 to 17	2,814 ±198	19.5% ±1.4	16.4% ±0.1	16.3% ±<0.1
18 to 24	1,077 ±139	7.5% ±1.0	9.1% ±<0.1	9.1% ±<0.1
25 to 44	3,395 ±196	23.5% ±1.4	26.9% ±0.1	26.9% ±<0.1
45 to 64	3,581 ±214	24.8% ±1.5	25.2% ±0.1	24.8% ±<0.1
65 and over	2,739 ±224	19.0% ±1.6	17.0% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $71,784 ±$7,457, and income per person $37,035 ±$2,920, 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 Moultrie County by income, ACS 2020–2024
Household income	Households	Share	Illinois	United States
Under $25,000	810 ±175	13.9% ±3.0	14.6% ±0.1	14.6% ±<0.1
$25,000 to $49,999	1,180 ±196	20.3% ±3.3	16.0% ±0.2	16.7% ±<0.1
$50,000 to $74,999	1,026 ±177	17.6% ±3.0	14.8% ±0.1	15.5% ±<0.1
$75,000 to $99,999	773 ±171	13.3% ±2.9	12.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	1,311 ±224	22.5% ±3.8	18.0% ±0.2	17.5% ±<0.1
$150,000 to $199,999	321 ±103	5.5% ±1.8	10.1% ±0.1	9.6% ±<0.1
$200,000 or more	396 ±136	6.8% ±2.3	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 Moultrie County by age, ACS 2020–2024
Age	Below poverty	Rate	Illinois	United States
All ages	1,295 ±375	9.2% ±2.7	11.8% ±0.1	12.5% ±0.1
Under 18	377 ±141	10.6% ±3.9	15.1% ±0.2	16.1% ±0.1
18 to 59	654 ±208	9.2% ±2.9	11.0% ±0.1	11.6% ±0.1
60 and over	264 ±80	7.7% ±2.3	10.6% ±0.1	11.0% ±<0.1

Housing, 2020–2024

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Housing in Moultrie County, ACS 2020–2024
Measure	Moultrie County	Illinois	United States
Housing units	6,240 ±34	5,457,452 ±471	143,775,355 ±10,234
Occupied	93.2% ±2.3	92.3% ±0.1	89.9% ±0.1
Vacant	6.8% ±2.3	7.7% ±0.1	10.1% ±0.1
Owner occupied	76.0% ±3.3	67.1% ±0.3	65.2% ±0.3
Renter occupied	24.0% ±3.9	32.9% ±0.2	34.8% ±0.1
Median home value	$134,000 ±$8,760	$263,300 ±$797	$332,700 ±$236
Median gross rent	$804 ±$72	$1,274 ±$5	$1,413 ±$2
Median year built	1968 ±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 Moultrie County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Illinois	United States
Hispanic or Latino	241 ±0	1.7% ±<0.1	18.8% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	13,713 ±77	95.1% ±0.5	58.1% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	150 ±60	1.0% ±0.4	13.3% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 23	0% to 0.2%	5.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 20	0% to 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 20	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 18	0% to 0.1%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	304 ±93	2.1% ±0.6	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 Moultrie County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Illinois	United States
Born in the state	12,363 ±312	85.7% ±2.2	66.5% ±0.1	57.3% ±<0.1
Born in another state	1,916 ±316	13.3% ±2.2	17.5% ±0.1	26.9% ±<0.1
Born a citizen outside the states	11 to 69	0.1% to 0.5%	1.3% ±<0.1	1.7% ±<0.1
Born abroad	105 ±47	0.7% ±0.3	14.7% ±0.1	14.1% ±<0.1
Naturalized citizens	15 to 87	0.1% to 0.6%	7.7% ±0.1	7.4% ±<0.1
Not citizens	22 to 86	0.2% to 0.6%	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%.

Moultrie County among the counties of Illinois

72nd of 102 by population, July 2025. Every one is listed on the Illinois page.

Counties of Illinois near Moultrie County in population, July 2025
County	July 2025	Change since 2020
Carroll County	15,419	−1.7%
Mercer County	15,229	−2.6%
Richland County	15,219	−3.7%
De Witt County	15,118	−2.1%
Clark County	15,114	−2.2%
Moultrie County	14,371	−0.8%
Pike County	14,231	−2.8%
Lawrence County	13,790	−9.7%
Washington County	13,564	−1.2%
Massac County	13,502	−4.5%
Johnson County	13,363	+0.3%

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