Sumter County Population

1790–2026

105.35K

2026 projection

0.1% since 2020 (decrease)

020K40K60K80K100K120K18001850190019502000

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.
2026105,346+2790.27%
2025105,067+2790.27%
2024104,788+3920.38%
2023104,396+5060.49%
2022103,890-8130.78%
2021104,703-7060.67%
2020105,409-1,2261.15%
2019106,635+1170.11%
2018106,518-860.08%
2017106,604-6530.61%

Showing 10 of 38 years.

Sumter County Demographics

38median age

Median age

Female39.7 yrs
Male34.6 yrs

Adults

79,902
18,606 seniors (65+) · 23% of adults61,296 other adults

Sex

Female 51.7% · 54,164Male 48.3% · 50,561

Population by age

MaleFemale85+ years, male: 72685+ years, female: 1,73880–84 years, male: 78780–84 years, female: 1,10775–79 years, male: 1,57175–79 years, female: 1,75170–74 years, male: 1,98870–74 years, female: 2,70165–69 years, male: 2,90265–69 years, female: 3,33560–64 years, male: 3,14860–64 years, female: 3,57255–59 years, male: 2,90555–59 years, female: 3,44550–54 years, male: 2,78450–54 years, female: 3,24945–49 years, male: 2,46445–49 years, female: 2,86940–44 years, male: 2,84640–44 years, female: 3,05935–39 years, male: 2,96235–39 years, female: 3,32630–34 years, male: 3,57530–34 years, female: 3,60425–29 years, male: 3,79725–29 years, female: 3,46220–24 years, male: 4,06820–24 years, female: 3,67915–19 years, male: 3,45015–19 years, female: 3,28210–14 years, male: 3,55610–14 years, female: 3,2395–9 years, male: 3,4615–9 years, female: 3,5870–4 years, male: 3,5710–4 years, female: 3,15985+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K3K3K

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 1,047 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

$56,693median household income

Median household income

$56,693

Half of households earn more, half earn less

Median earnings

$43,956

Typical yearly pay for a worker 25 or older.

Poverty rate

16.6%

About 1 in 6 residents

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

Sumter County Marital Status

45% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married45%47%43%
Never married35%37%32%
Divorced10%9%11%
Widowed8%4%10%
Separated3%3%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