Demographics of Mississippi County, Missouri

Mississippi County, Missouri had 12,003 people on July 1, 2025, by the Census Bureau’s estimate: −130 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.

Mississippi County, in four figures

12,003
Population: July 1, 2025, Vintage 2025 estimate.; −1.1%
Change since July 2020: −130 people.; 41.1 ±1.5
Median age: ACS 2020–⁠2024.; $48,160 ±$7,079
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.

Mississippi County, Missouri's population shrank 1.1% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Mississippi 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

Mississippi County, Missouri's population shrank 1.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Mississippi 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	12,133	100.0	100.0
2021	12,100	99.7	100.2
2022	11,696	96.4	100.7
2023	11,842	97.6	101.6
2024	11,948	98.5	102.5
2025	12,003	98.9	103.1

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Population of Mississippi County, Missouri on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From elsewhere in the country
2020	12,133	−442	−3	−353
2021	12,100	−33	−106	+69
2022	11,696	−404	−65	−368
2023	11,842	+146	−59	+201
2024	11,948	+106	−26	+130
2025	12,003	+55	−32	+90

Age, 2020–2024

The median age is 41.1 ±1.5: for men 40.0 ±1.4 and for women 43.4 ±0.6. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Mississippi County by age, ACS 2020–2024
Age	People	Share	Missouri	United States
Under 5	714 ±118	6.0% ±1.0	5.8% ±<0.1	5.6% ±<0.1
5 to 17	1,974 ±254	16.6% ±2.1	16.6% ±0.1	16.3% ±<0.1
18 to 24	996 ±204	8.4% ±1.7	9.1% ±0.1	9.1% ±<0.1
25 to 44	2,816 ±235	23.7% ±2.0	26.0% ±0.1	26.9% ±<0.1
45 to 64	3,158 ±260	26.5% ±2.2	24.6% ±0.1	24.8% ±<0.1
65 and over	2,244 ±234	18.9% ±2.0	17.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $48,160 ±$7,079, and income per person $24,081 ±$1,589, 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 Mississippi County by income, ACS 2020–2024
Household income	Households	Share	Missouri	United States
Under $25,000	1,187 ±244	26.5% ±5.4	15.8% ±0.2	14.6% ±<0.1
$25,000 to $49,999	1,093 ±215	24.4% ±4.7	19.6% ±0.2	16.7% ±<0.1
$50,000 to $74,999	681 ±168	15.2% ±3.7	17.4% ±0.2	15.5% ±<0.1
$75,000 to $99,999	552 ±201	12.3% ±4.5	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	745 ±154	16.6% ±3.4	17.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	63 to 197	1.4% to 4.4%	8.2% ±0.1	9.6% ±<0.1
$200,000 or more	44 to 144	1.0% to 3.2%	8.7% ±0.1	13.4% ±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%.

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 Mississippi County by age, ACS 2020–2024
Age	Below poverty	Rate	Missouri	United States
All ages	2,002 ±412	19.0% ±3.9	12.6% ±0.2	12.5% ±0.1
Under 18	569 ±226	21.3% ±7.9	15.8% ±0.4	16.1% ±0.1
18 to 59	1,051 ±216	21.0% ±4.1	12.0% ±0.2	11.6% ±0.1
60 and over	382 ±138	13.4% ±4.7	10.9% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Mississippi County, ACS 2020–2024
Measure	Mississippi County	Missouri	United States
Housing units	5,272 ±27	2,825,287 ±1,043	143,775,355 ±10,234
Occupied	85.0% ±3.0	88.8% ±0.2	89.9% ±0.1
Vacant	15.0% ±2.9	11.2% ±0.2	10.1% ±0.1
Owner occupied	62.9% ±3.8	68.1% ±0.3	65.2% ±0.3
Renter occupied	37.1% ±4.8	31.9% ±0.2	34.8% ±0.1
Median home value	$109,000 ±$8,462	$230,300 ±$880	$332,700 ±$236
Median gross rent	$762 ±$80	$1,033 ±$6	$1,413 ±$2
Median year built	1973 ±3	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 Mississippi County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Missouri	United States
Hispanic or Latino	20 to 172	0.2% to 1.4%	5.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	8,410 ±115	70.7% ±1.0	76.3% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	2,257 ±293	19.0% ±2.5	10.9% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 153	0% to 1.3%	2.1% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 10	0% to 0.1%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 19	0% to 0.2%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 19	0% to 0.2%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,059 ±309	8.9% ±2.6	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 Mississippi County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Missouri	United States
Born in the state	9,685 ±303	81.4% ±2.5	65.6% ±0.2	57.3% ±<0.1
Born in another state	2,156 ±303	18.1% ±2.5	29.1% ±0.1	26.9% ±<0.1
Born a citizen outside the states	0 to 24	0% to 0.2%	0.8% ±<0.1	1.7% ±<0.1
Born abroad	11 to 89	0.1% to 0.7%	4.5% ±0.1	14.1% ±<0.1
Naturalized citizens	3 to 59	< 0.1% to 0.5%	2.3% ±0.1	7.4% ±<0.1
Not citizens	1 to 37	< 0.1% to 0.3%	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%.

Mississippi County among the counties of Missouri

76th of 115 by population, July 2025. Every one is listed on the Missouri page.

Counties of Missouri near Mississippi County in population, July 2025
County	July 2025	Change since 2020
Dent County	14,584	+1.3%
Pemiscot County	14,465	−7.2%
Osage County	13,611	+2.7%
Madison County	12,858	+1.9%
Douglas County	12,342	+6.4%
Mississippi County	12,003	−1.1%
Linn County	11,815	−0.3%
Barton County	11,795	+1.5%
Montgomery County	11,590	+2.6%
Wayne County	10,782	−1.4%
Ripley County	10,717	+0.4%

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