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.
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%.
25,597
Population (2024)
27,527
Population (2010)
27,534
Peak (2013)
-0.51%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 27,527 |
| 2011 | 27,407 |
| 2012 | 27,426 |
| 2013 | 27,534 |
| 2014 | 27,517 |
| 2015 | 27,177 |
| 2016 | 27,001 |
| 2017 | 26,917 |
| 2018 | 26,739 |
| 2019 | 26,803 |
| 2020 | 25,890 |
| 2021 | 25,699 |
| 2022 | 25,615 |
| 2023 | 25,653 |
| 2024 | 25,597 |
Race & Ethnicity
| White | 61.2% |
| Black or African American | 35.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.5% |
| Two or More Races | 0.2% |
Age & Sex
41.0
Median Age
51.5%
Female
48.5%
Male
18.6%
Age 65+
Age Distribution
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 rate | 14.8%+0.5% vs state |
| Unemployment rate | 2.7% |
| Employment-to-population | 49.8% |
Top Industries by Employment
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.
Simpson County, MS Climate
Simpson County, MS has an average annual temperature of 17.8°C (64°F) and receives about 1509 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
17.8°C
Avg Temp
1509
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 8° / 46° | 141 mm |
| February | 10° / 49° | 136 mm |
| March | 14° / 57° | 161 mm |
| April | 18° / 64° | 143 mm |
| May | 22° / 71° | 135 mm |
| June | 25° / 78° | 100 mm |
| July | 27° / 80° | 126 mm |
| August | 27° / 80° | 109 mm |
| September | 24° / 75° | 90 mm |
| October | 18° / 64° | 87 mm |
| November | 13° / 55° | 121 mm |
| December | 9° / 49° | 160 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Simpson County, MS
The most comfortable months to visit Simpson County, MS are typically October, September and May, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 33°C high). The coldest is January (near 1°C low). March is usually the wettest month.
Where to stay near Simpson County
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Population, race, income, age, and trends across Mississippi
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.