Demographics of Simpson County, Mississippi

Simpson County, Mississippi had 25,498 people on July 1, 2025, by the Census Bureau’s estimate: −389 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.

Simpson County, in four figures

25,498
Population: July 1, 2025, Vintage 2025 estimate.; −1.5%
Change since July 2020: −389 people.; 40.6 ±1.0
Median age: ACS 2020–⁠2024.; $56,381 ±$2,849
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.

Simpson County, Mississippi's population shrank 1.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Simpson County, Mississippi'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

Simpson County, Mississippi's population shrank 1.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Simpson County, Mississippi'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	25,887	100.0	100.0
2021	25,696	99.3	100.2
2022	25,607	98.9	100.7
2023	25,670	99.2	101.6
2024	25,618	99.0	102.5
2025	25,498	98.5	103.1

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Population of Simpson County, Mississippi on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	25,887	−54	−20	+1	−38
2021	25,696	−191	−124	+5	−86
2022	25,607	−89	−84	+13	0
2023	25,670	+63	−26	−2	+96
2024	25,618	−52	−57	+13	−6
2025	25,498	−120	−56	−3	−61

Age, 2020–2024

The median age is 40.6 ±1.0: for men 38.7 ±0.7 and for women 42.0 ±0.8. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Simpson County by age, ACS 2020–2024
Age	People	Share	Mississippi	United States
Under 5	1,503 ±27	5.9% ±0.1	6.0% ±<0.1	5.6% ±<0.1
5 to 17	4,443 ±405	17.3% ±1.6	17.4% ±0.1	16.3% ±<0.1
18 to 24	2,259 ±320	8.8% ±1.2	9.8% ±0.1	9.1% ±<0.1
25 to 44	5,898 ±417	23.0% ±1.6	25.1% ±0.2	26.9% ±<0.1
45 to 64	6,671 ±337	26.0% ±1.3	24.6% ±0.2	24.8% ±<0.1
65 and over	4,917 ±427	19.1% ±1.7	17.2% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $56,381 ±$2,849, and income per person $28,849 ±$1,801, in 2024 dollars. The median is $56,447 ±$539 in Mississippi and $80,734 ±$166 in the United States.

Households by income

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Households in Simpson County by income, ACS 2020–2024
Household income	Households	Share	Mississippi	United States
Under $25,000	1,751 ±310	18.3% ±3.2	23.1% ±0.4	14.6% ±<0.1
$25,000 to $49,999	2,539 ±409	26.6% ±4.2	22.0% ±0.4	16.7% ±<0.1
$50,000 to $74,999	1,822 ±290	19.1% ±3.0	16.5% ±0.3	15.5% ±<0.1
$75,000 to $99,999	1,121 ±228	11.7% ±2.4	12.0% ±0.3	12.6% ±<0.1
$100,000 to $149,999	1,406 ±259	14.7% ±2.7	14.4% ±0.3	17.5% ±<0.1
$150,000 to $199,999	407 ±187	4.3% ±2.0	6.2% ±0.2	9.6% ±<0.1
$200,000 or more	497 ±178	5.2% ±1.9	5.8% ±0.2	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 Simpson County by age, ACS 2020–2024
Age	Below poverty	Rate	Mississippi	United States
All ages	5,059 ±930	20.0% ±3.7	18.9% ±0.3	12.5% ±0.1
Under 18	1,644 ±395	28.4% ±6.2	26.0% ±0.6	16.1% ±0.1
18 to 59	2,502 ±487	19.5% ±3.6	17.4% ±0.3	11.6% ±0.1
60 and over	913 ±241	13.8% ±3.5	15.2% ±0.4	11.0% ±<0.1

Housing, 2020–2024

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Housing in Simpson County, ACS 2020–2024
Measure	Simpson County	Mississippi	United States
Housing units	11,694 ±59	1,341,114 ±478	143,775,355 ±10,234
Occupied	81.6% ±2.9	85.4% ±0.3	89.9% ±0.1
Vacant	18.4% ±2.8	14.6% ±0.3	10.1% ±0.1
Owner occupied	81.4% ±2.5	70.0% ±0.4	65.2% ±0.3
Renter occupied	18.6% ±3.4	30.0% ±0.4	34.8% ±0.1
Median home value	$122,200 ±$8,589	$169,800 ±$1,198	$332,700 ±$236
Median gross rent	$852 ±$60	$954 ±$8	$1,413 ±$2
Median year built	1986 ±3	1986 ±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 Simpson County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Mississippi	United States
Hispanic or Latino	443 ±0	1.7% ±<0.1	3.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	15,626 ±146	60.8% ±0.6	55.2% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	9,134 ±150	35.6% ±0.6	36.3% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 123	0% to 0.5%	1.0% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 82	0% to 0.3%	0.4% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 26	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 16	0% to 0.1%	0.3% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	392 ±192	1.5% ±0.7	3.0% ±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 Simpson County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Mississippi	United States
Born in the state	22,544 ±438	87.8% ±1.7	70.8% ±0.3	57.3% ±<0.1
Born in another state	2,772 ±457	10.8% ±1.8	26.1% ±0.2	26.9% ±<0.1
Born a citizen outside the states	5 to 189	< 0.1% to 0.7%	0.7% ±<0.1	1.7% ±<0.1
Born abroad	278 ±129	1.1% ±0.5	2.4% ±0.1	14.1% ±<0.1
Naturalized citizens	24 to 206	0.1% to 0.8%	1.0% ±0.1	7.4% ±<0.1
Not citizens	49 to 277	0.2% to 1.1%	1.4% ±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%.

Simpson County among the counties of Mississippi

35th of 82 by population, July 2025. Every one is listed on the Mississippi page.

Counties of Mississippi near Simpson County in population, July 2025
County	July 2025	Change since 2020
Bolivar County	28,262	−8.4%
Scott County	28,073	+0.4%
Copiah County	27,497	−2.7%
George County	26,331	+8.1%
Leflore County	25,686	−9.4%
Simpson County	25,498	−1.5%
Prentiss County	25,284	+1.3%
Itawamba County	24,152	+1.2%
Marion County	24,001	−1.5%
Yazoo County	22,947	−14.0%
Sunflower County	22,893	−10.9%

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