Simpson County, MS Demographics

Population 25,691 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Simpson County, MS map of median age by neighborhood
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Population and households in Simpson County

Household size in Simpson County

Household size, people per household
PeriodSimpson CountyJackson areaMississippiU.S.
2006–102.602.702.662.68
2010–142.742.712.672.73
2015–192.752.682.642.71
2020–242.672.562.572.65
Change+0.06−0.14−0.09−0.03
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At 2.67 people per household, Simpson County sits close to the national average of 2.65. The typical household here is bigger than in the Jackson area as a whole, where it has 2.56 people. Since 2006–10, household size has crept up from 2.60, even as the national average fell.

Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).

Median age in Simpson County

Median age, years
PeriodSimpson CountyJackson areaMississippiU.S.
2006–1037.835.936.737.7
2010–1438.736.937.538.6
2015–1940.837.938.839.6
2020–2441.739.139.440.1
Change+3.9+3.2+2.6+2.3
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The median resident of Simpson County is 41.7 years old, a bit older than the national median of 40.1. Since 2006–10, the median age has climbed from 37.8, as it has nationally. Residents skew youngest in the southwest and oldest in the north.

Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).

Single-parent households in Simpson County

Single-parent households, % of households
PeriodSimpson CountyJackson areaMississippiU.S.
2006–1016.3%17.1%15.8%12.3%
2010–1415.6%16.8%15.8%12.3%
2015–1912.6%15.7%14.7%11.6%
2020–2413.9%14.7%14.6%11.6%
Change−2.4 pts−2.5 pts−1.1 pts−0.6 pts
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Single-parent households are more common in Simpson County than nationally: 13.9%, against 11.6%. The Jackson area as a whole looks much the same. The single-parent share is down 2.4 points from 2006–10, a much bigger shift than nationally.

Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).

Housing in Simpson County

Renters in Simpson County

Renters, % of occupied homes
PeriodSimpson CountyJackson areaMississippiU.S.
2006–1023.4%31.3%29.2%33.3%
2010–1422.5%32.4%31.1%35.6%
2015–1920.3%32.4%31.8%36.0%
2020–2418.6%32.5%30.0%34.8%
Change−4.8 pts+1.2 pts+0.8 pts+1.5 pts
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Only 18.6% of households in Simpson County rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 62.2% have no mortgage at all, well above the national share of 39.8%. Renting is most common in the east and least common in the southwest. The renter share has fallen 4.8 points since 2006–10, even as the national share rose.

Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).

Vacant homes in Simpson County

Vacant homes, % of all homes
PeriodSimpson CountyJackson areaMississippiU.S.
2006–1014.0%11.3%13.6%11.4%
2010–1417.7%12.7%14.6%11.4%
2015–1923.8%13.3%16.1%11.1%
2020–2418.7%12.0%14.1%9.6%
Change+4.7 pts+0.7 pts+0.5 pts−1.8 pts
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Vacancy is high in Simpson County: 18.7% of homes are empty, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand. Vacancy is up 4.7 points from 2006–10, even as the national rate fell.

Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).

Age of homes in Simpson County

Age of homes, median year built
PeriodSimpson CountyJackson areaMississippiU.S.
2006–101978198219811974
2010–141981198319831975
2015–191984198419841977
2020–241988198719871980
Change+10+4+5+6
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Much of the housing in Simpson County is relatively new: half of its homes were built after 1988, compared with 1980 for the U.S. as a whole. The median year built has moved up from 1978 in 2006–10, a sign of steady new building. The newest homes are mostly in the south, the oldest in the north.

Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).

Rent in Simpson County

Rent, per month
PeriodSimpson CountyJackson areaMississippiU.S.
2006–10$697$796$703$965
2010–14$627$862$758$1,040
2015–19$767$940$819$1,213
2020–24$877$1,161$1,018$1,571
Change+$180+$364+$315+$606
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The median renter in Simpson County pays $877 a month for rent and utilities, well below the national median of $1,571. Rent has climbed $180 a month since 2006–10, up 26%, a slower climb than the nation's. Rent takes 31.4% of the typical renter's income, just over the 30% mark often used to define affordable rent. Rents run highest in the northwest and lowest in the east.

Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).

Education in Simpson County

Bachelor's degrees in Simpson County

Bachelor's degrees, % of adults 25+
PeriodSimpson CountyJackson areaMississippiU.S.
2006–1014.5%28.1%20.8%28.4%
2010–1413.9%28.8%21.4%29.6%
2015–1915.5%29.7%22.8%32.1%
2020–2416.0%33.0%25.8%35.6%
Change+1.5 pts+4.8 pts+5.0 pts+7.2 pts
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College degrees are relatively uncommon in Simpson County: 16.0% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. Since 2006–10, the share with a degree has risen 1.5 points, a smaller shift than nationally.

Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

High school graduates in Simpson County

High school graduates, % of adults 25+
PeriodSimpson CountyJackson areaMississippiU.S.
2006–1076.1%83.3%80.5%84.9%
2010–1478.4%85.3%82.5%86.1%
2015–1979.1%86.9%84.8%87.7%
2020–2483.0%88.8%87.3%89.3%
Change+6.9 pts+5.5 pts+6.9 pts+4.3 pts
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About one in six adults in Simpson County never finished high school, well above the national share: only 83.0% have a diploma or equivalent, against 89.3% nationally. The share with a diploma is up 6.9 points from 2006–10, in line with the national trend.

High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

Jobs in Simpson County

Unemployment, % of the labor force
PeriodSimpson CountyJackson areaMississippiU.S.
2006–109.4%8.0%9.5%8.1%
2010–1410.7%9.6%11.0%9.4%
2015–197.1%7.2%7.6%5.6%
2020–244.1%5.7%5.8%5.4%
Change−5.3 pts−2.3 pts−3.6 pts−2.7 pts
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Unemployment in Simpson County runs below the national rate: 4.1% of the labor force was out of work and looking, against 5.4% nationally. Unemployment has fallen 5.3 points since 2006–10, as it has nationally. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.

Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).

Simpson County compared with nearby counties

CountyHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Simpson County2.6741.713.9%18.6%18.7%1988$87716.0%83.0%4.1%
Smith County2.6642.013.4%12.6%16.1%1988$67116.1%85.6%4.5%
Copiah County2.7440.912.8%25.6%19.0%1985$79418.9%86.5%5.6%
Jasper County2.4242.213.3%17.9%17.9%1989$70513.5%90.5%8.2%
Claiborne County2.5737.013.2%23.5%31.6%1983$60117.5%83.4%5.4%
Clarke County2.6342.713.6%17.7%20.3%1985$78917.3%88.7%7.4%
Tensas Parish2.3651.810.5%25.8%43.4%1972$56614.6%80.9%10.3%
Choctaw County2.4245.89.8%17.6%25.5%1984$58615.7%86.5%4.7%
Caldwell Parish2.4940.217.4%31.1%19.6%1987$98311.7%81.6%10.1%
Wilcox County2.6341.716.0%22.6%26.4%1984$76112.6%79.7%12.0%
Winn Parish2.5341.015.7%28.8%25.1%1977$76714.9%84.0%6.2%

All figures 2020–24.

Counties with similar populations: Gallia County, OH · Gillespie County, TX · Giles County, VA · Giles County, TN · Gilchrist County, FL · Gibson County, IN · George County, MS · Geneva County, AL · Scott County, IN · Garvin County, OK

About these numbers

Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Simpson County. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.

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