Demographics of Monroe County, Missouri

Monroe County, Missouri had 8,959 people on July 1, 2025, by the Census Bureau’s estimate: +267 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.

Monroe County, in four figures

8,959
Population: July 1, 2025, Vintage 2025 estimate.; +3.1%
Change since July 2020: +267 people.; 45.7 ±0.7
Median age: ACS 2020–⁠2024.; $54,516 ±$6,305
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.

Monroe County, Missouri's population grew 3.1% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Monroe County, Missouri'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

Monroe County, Missouri's population grew 3.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Monroe County, Missouri'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	8,692	100.0	100.0
2021	8,706	100.2	100.2
2022	8,644	99.4	100.7
2023	8,719	100.3	101.6
2024	8,857	101.9	102.5
2025	8,959	103.1	103.1

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Population of Monroe County, Missouri on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	8,692	+25	+5	0	+19
2021	8,706	+14	−55	+1	+64
2022	8,644	−62	−23	+7	−41
2023	8,719	+75	−21	+11	+85
2024	8,857	+138	−21	+9	+150
2025	8,959	+102	−18	+8	+112

Age, 2020–2024

The median age is 45.7 ±0.7: for men 44.7 ±0.7 and for women 47.1 ±1.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Monroe County by age, ACS 2020–2024
Age	People	Share	Missouri	United States
Under 5	462 ±22	5.3% ±0.3	5.8% ±<0.1	5.6% ±<0.1
5 to 17	1,454 ±167	16.6% ±1.9	16.6% ±0.1	16.3% ±<0.1
18 to 24	609 ±74	7.0% ±0.8	9.1% ±0.1	9.1% ±<0.1
25 to 44	1,771 ±132	20.3% ±1.5	26.0% ±0.1	26.9% ±<0.1
45 to 64	2,258 ±161	25.9% ±1.8	24.6% ±0.1	24.8% ±<0.1
65 and over	2,180 ±214	25.0% ±2.4	17.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $54,516 ±$6,305, and income per person $29,426 ±$1,595, in 2024 dollars. The median is $70,702 ±$325 in Missouri and $80,734 ±$166 in the United States.

Households by income

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Households in Monroe County by income, ACS 2020–2024
Household income	Households	Share	Missouri	United States
Under $25,000	809 ±164	23.3% ±4.6	15.8% ±0.2	14.6% ±<0.1
$25,000 to $49,999	834 ±155	24.0% ±4.4	19.6% ±0.2	16.7% ±<0.1
$50,000 to $74,999	507 ±98	14.6% ±2.8	17.4% ±0.2	15.5% ±<0.1
$75,000 to $99,999	463 ±110	13.4% ±3.1	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	521 ±103	15.0% ±2.9	17.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	186 ±71	5.4% ±2.0	8.2% ±0.1	9.6% ±<0.1
$200,000 or more	148 ±54	4.3% ±1.5	8.7% ±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 Monroe County by age, ACS 2020–2024
Age	Below poverty	Rate	Missouri	United States
All ages	1,216 ±342	14.2% ±4.0	12.6% ±0.2	12.5% ±0.1
Under 18	326 ±130	17.2% ±6.6	15.8% ±0.4	16.1% ±0.1
18 to 59	401 ±107	10.6% ±2.8	12.0% ±0.2	11.6% ±0.1
60 and over	489 ±152	16.8% ±5.0	10.9% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Monroe County, ACS 2020–2024
Measure	Monroe County	Missouri	United States
Housing units	4,467 ±22	2,825,287 ±1,043	143,775,355 ±10,234
Occupied	77.6% ±3.1	88.8% ±0.2	89.9% ±0.1
Vacant	22.4% ±3.2	11.2% ±0.2	10.1% ±0.1
Owner occupied	74.3% ±2.8	68.1% ±0.3	65.2% ±0.3
Renter occupied	25.7% ±4.2	31.9% ±0.2	34.8% ±0.1
Median home value	$149,300 ±$15,919	$230,300 ±$880	$332,700 ±$236
Median gross rent	$689 ±$32	$1,033 ±$6	$1,413 ±$2
Median year built	1976 ±4	1978 ±1	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 Monroe County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Missouri	United States
Hispanic or Latino	160 ±0	1.8% ±<0.1	5.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	8,004 ±36	91.6% ±0.4	76.3% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	309 ±53	3.5% ±0.6	10.9% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	16 to 52	0.2% to 0.6%	2.1% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	16 to 58	0.2% to 0.7%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 17	0% to 0.2%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 61	0% to 0.7%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	161 ±64	1.8% ±0.7	4.8% ±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 Monroe County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Missouri	United States
Born in the state	6,755 ±202	77.3% ±2.3	65.6% ±0.2	57.3% ±<0.1
Born in another state	1,861 ±199	21.3% ±2.3	29.1% ±0.1	26.9% ±<0.1
Born a citizen outside the states	9 to 59	0.1% to 0.7%	0.8% ±<0.1	1.7% ±<0.1
Born abroad	23 to 145	0.3% to 1.7%	4.5% ±0.1	14.1% ±<0.1
Naturalized citizens	14 to 48	0.2% to 0.5%	2.3% ±0.1	7.4% ±<0.1
Not citizens	0 to 111	0% to 1.3%	2.2% ±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%.

Monroe County among the counties of Missouri

93rd of 115 by population, July 2025. Every one is listed on the Missouri page.

Counties of Missouri near Monroe County in population, July 2025
County	July 2025	Change since 2020
Grundy County	9,744	−0.2%
Iron County	9,318	−2.0%
Ozark County	9,172	+7.7%
Hickory County	9,044	+8.9%
Caldwell County	9,012	+2.1%
Monroe County	8,959	+3.1%
Oregon County	8,709	+1.2%
Daviess County	8,558	+1.5%
Carroll County	8,417	−0.6%
Maries County	8,397	−0.7%
Harrison County	8,281	+1.5%

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