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Population Review

Simpson County, Mississippi Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 35th-largest in Mississippi

The population of Simpson County, Mississippi is 25,817 as of the 2023 American Community Survey, making it the 35th-largest county in Mississippi. The median household income is $54,111, the median home value is $111,600, and the median age is 41.0.

The population of Simpson County has declined 7.0% since 2010 (27,527 → 25,597), a -0.52% annualized rate.

Simpson County within Mississippi · Source: US Census TIGER/Line via us-atlas

25,817

Population

-0.52%

Annual growth

44

People / sq mi

$54,111

Median Income

$111,600

Median Home Value

Simpson County covers 589 sq mi of land at 43.8 people per square mile.

About Simpson County, MS

Simpson County is distinguished by its share of foreign-born residents, 10.8% of the population. With 25,817 residents, Simpson County is a county in Mississippi. It ranks #35 among counties in Mississippi by population.

Incomes run on the lower side: a median household income of $54,111, below the US median of $78,538. Roughly 14.8% of residents fall below the poverty line, above the national 12.4%. Housing is relatively affordable, with a median home value of $111,600, with typical rent around $819.

College attainment is 16.5%, below the national 35.0%. Almost everyone commutes — only 3.6% work from home, below the national 14.0%, and the average commute runs about 30 minutes each way.

Simpson County Population History (2010-2024)

The county of Simpson County had a population of 27,527 in 2010 and 25,597 in 2024, a -7.0% growth over 14 years. The peak was 27,534 in 2013. Average annual growth rate: -0.51%.

2013 · 28K20102024
Simpson County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

25,597

Population (2024)

27,527

Population (2010)

27,534

Peak (2013)

-0.51%

Avg Annual Growth

YearPopulation
201027,527
201127,407
201227,426
201327,534
201427,517
201527,177
201627,001
201726,917
201826,739
201926,803
202025,890
202125,699
202225,615
202325,653
202425,597

Race & Ethnicity

White61.2%
Black or African American35.5%
Asian0.0%
Hispanic or Latino (any race)0.5%
Two or More Races0.2%

Age & Sex

41.0

Median Age

51.5%

Female

48.5%

Male

18.6%

Age 65+

Age Distribution

Under 5
5.9%
5–9
5.9%
10–14
7.0%
15–19
7.5%
20–24
5.6%
25–34
11.2%
35–44
11.9%
45–54
12.5%
55–59
6.8%
60–64
7.0%
65–74
11.4%
75–84
4.7%
85+
2.5%

Children (under 15): 18.8% · Seniors (65+): 18.6%

Income & Poverty

Median household income$54,111$-804 vs state
Mean household income$77,692
Per-capita income$29,599
Poverty rate14.8%+0.5% vs state
Unemployment rate2.7%
Employment-to-population49.8%

Top Industries by Employment

Professional & business services
25.2%
Manufacturing
12.1%
Construction
10.1%
Public administration
6.9%
Education & health care
6.7%
Retail trade
6.1%
Information
5.2%
Agriculture
4.7%

The largest employment sector in Simpson County is professional & business services, accounting for 25.2% of workers.

How residents commute

1.1%

Drive alone

2.6%

Carpool

78.5%

Public transit

3.6%

Work from home

30.2 min

Avg commute

Housing

$111,600$-49,800 vs state

Median home value

$819

Median rent

80.5%

Homeownership rate

11,661

Total housing units

82.1%

Occupied

17.9%

Vacant

19.5%

Renter-occupied

Social & access

88.3%

With health insurance

89.1%

With broadband internet

10.8%

Foreign-born

6.0%

Veterans (18+)

21.1%

With a disability

97.5%

Speak language other than English at home

Education

81.7%

High School+

16.5%

Bachelor's+

Largest cities in Mississippi

Other counties in Mississippi

Part of Mississippi

Metro areas in Mississippi

County rankings

Frequently Asked Questions

Simpson County, Mississippi has a population of 25,817 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 35th-largest county in Mississippi. Population density is 44 people per square mile.

The population of Simpson County has declined 7.0% since 2010 (27,527 → 25,597), a -0.52% annualized rate.

The median household income in Simpson County, Mississippi is $54,111, with mean (average) household income of $77,692 and per-capita income of $29,599. 14.8% of residents live below the federal poverty level.

In Simpson County, the largest racial and ethnic groups are White (61.2%), Black or African American (35.5%), Hispanic or Latino (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Simpson County, Mississippi is 41.0 years. Residents are 51.5% female and 48.5% male.

The median home value in Simpson County is $111,600 and median monthly rent is $819. 80.5% of occupied housing units are owner-occupied. The county has 11,661 total housing units, 17.9% of which are vacant.

The largest employment sector in Simpson County, Mississippi is professional, scientific, and management services, employing 25.2% of workers. The unemployment rate is 2.7%.

Jackson is among the largest cities associated with Simpson County, Mississippi, with a population of 149,827.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.