Sumter County Population

1840–2026

28,497

2026 projection

3.5% since 2020 (decrease)

05K10K15K20K25K30K35K1840186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Sumter County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202628,497-3041.06%
202528,801-3041.04%
202429,105+900.31%
202329,015+1220.42%
202228,893-1110.38%
202129,004-5141.74%
202029,518+1170.40%
201929,401-3121.05%
201829,713-1250.42%
201729,838-4961.64%

Showing 10 of 33 years.

Sumter County Demographics

37.9median age

Median age

Female37.9 yrs
Male37.9 yrs

Adults

22,550
5,152 seniors (65+) · 23% of adults17,398 other adults

Sex

Female 53.4% · 15,520Male 46.6% · 13,541

Population by age

MaleFemale85+ years, male: 20985+ years, female: 37880–84 years, male: 22280–84 years, female: 38575–79 years, male: 47775–79 years, female: 51770–74 years, male: 70270–74 years, female: 78365–69 years, male: 60565–69 years, female: 87460–64 years, male: 1,13360–64 years, female: 94055–59 years, male: 55055–59 years, female: 1,01350–54 years, male: 75350–54 years, female: 89445–49 years, male: 77845–49 years, female: 78040–44 years, male: 1,01640–44 years, female: 84735–39 years, male: 66335–39 years, female: 73730–34 years, male: 62230–34 years, female: 82525–29 years, male: 90325–29 years, female: 92320–24 years, male: 1,29420–24 years, female: 1,37715–19 years, male: 1,11115–19 years, female: 1,41010–14 years, male: 73010–14 years, female: 8275–9 years, male: 9755–9 years, female: 1,1220–4 years, male: 7980–4 years, female: 88885+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 291 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Sumter County Income

$42,653median household income

Median household income

$42,653

Half of households earn more, half earn less

Median earnings

$39,816

Typical yearly pay for a worker 25 or older.

Poverty rate

23.8%

About 1 in 4 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Sumter County Marital Status

37% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married37%41%33%
Never married44%42%46%
Divorced10%9%11%
Widowed7%6%8%
Separated2%1%3%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year