- county
- FIPS 28127
- Largest town: Magee
Simpson County, Mississippi
Simpson County had 25,597 residents in the Census Vintage 2024 estimate, on 589.2 square miles of land. It ranks 35th of 82 in Mississippi by population and 34th by land area.
- Population
- 25,597
- #35 of 82 in Mississippi · #1,601 in US
- Area
- 589.2 sq mi
- #34 of 82 in Mississippi · #1,663 in US
- Density
- 43 / sq mi
- #42 of 82 in Mississippi · #1,599 in US
- Median household income
- $53,352
- #23 of 82 in Mississippi · #2,453 in US
Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area
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Simpson County population, land area and income
Simpson County had 25,597 residents in the Census Vintage 2024 estimate, on 589.2 square miles of land. It ranks 35th of 82 in Mississippi by population and 34th by land area. That works out to 43.4 people per square mile, below the US average of 96.3, and below the national county median.
The median county-equivalent in Mississippi has 21,443 residents; Simpson County is somewhat larger.
Its SAIPE 2023 median household income of $53,352 is in the bottom quarter among 3,143 counties with an estimate.
National rank among 3,144
Population
25,597
1601st of 3,144 (US)
Land area
589 sq mi
1663rd of 3,144 (US)
Density
43.4 / sq mi
1599th of 3,144 (US)
Median household income
$53,352
2453rd of 3,143 (US)
Rank within Mississippi (82)
Population
25,597
35th of 82 (MS)
Land area
589 sq mi
34th of 82 (MS)
Density
43.4 / sq mi
42nd of 82 (MS)
Median household income
$53,352
23rd of 82 (MS)
How Simpson County's population changed since 2020
Simpson County lost 293 residents between the July 2020 and July 2024 estimates, a drop of 1.1%. That ranks 33rd of 82 in Mississippi for growth. The median Mississippi county changed by -1.6%, and the state as a whole by -0.5%.
Since the April 2020 estimates base, Simpson County recorded 1,325 births and 1,651 deaths, a natural change of -326. Net international migration added +18 and net domestic migration, people moving to or from other US counties, came to -32. The largest single component was natural change, which removed 326 people.
Components of change, April 2020 to July 2024
- Births
- 1,325
- Deaths
- 1,651
- Net international migration
- +18
- Net domestic migration
- -32
- Change, July 2023 to July 2024
- -56
Where Simpson County is
The Census internal point of Simpson County is at 31.902500, -89.917700. It sits in UTM zone 16N. The map shades Mississippi's 82 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Simpson County outlined. Dots are towns of 1,000+ people with residents in it.
- < -5.3%
- < -2.3%
- < -1.2%
- < +1.1%
- ≥ +1.1%
Orange pin: Simpson County internal point. Dark pin: Jackson.
Internal point
- Decimal
- 31.902500, -89.917700
- DMS
- 31°54'9.00"N 89°55'3.72"W
- UTM
- 16N 224063.4E 3533343.6N
- Geohash
- dj8j3zevt
- Plus code
- 863GW33J+2W
Towns in Simpson County
2 incorporated places of 1,000+ people have residents in Simpson County, 6,054 people together, or 24% of the county. Each figure counts only the part of the town inside Simpson County; towns marked "part" extend into another county. The largest is Magee with 3,924.
- 01Magee3,924
- 02Mendenhall2,130
Counties bordering Simpson County
The Census 2024 county adjacency file lists 7 neighbors for Simpson County. The most populous is Hinds County, MS, with 211,975 residents. Distances run between Census internal points in a straight line.
Distance to Jackson and the nearest big city
Jackson is 31.5 miles NNW of Simpson County's internal point in a straight line. The nearest place of 100,000 or more is Jackson, MS (population 141,449), 33.4 miles away. The nearest place of 10,000 or more is Brandon, MS (population 25,870), 26.3 miles away.
Simpson County FIPS code
The FIPS code of Simpson County is 28127: state code 28 for Mississippi plus county code 127. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $53,352.
Questions people ask
What is the population of Simpson County, Mississippi?
The Census Vintage 2024 estimate for July 1, 2024 is 25,597. That is down 293 people (1.1%) from the July 2020 estimate of 25,890.
What is the FIPS code of Simpson County?
28127. The first two digits (28) are Mississippi; the last three (127) identify the county.
What is the largest town in Simpson County?
Magee, with 3,924 residents inside Simpson County in 2024.
Which counties border Simpson County?
7 county-equivalents border it in the Census 2024 adjacency file: Hinds County, MS; Rankin County, MS; Copiah County, MS; Covington County, MS; Smith County, MS; Lawrence County, MS; Jefferson Davis County, MS.
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Vintage 2024 subcounty population estimates
- 05Census 2024 county adjacency file
- 06Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.