Sumter County, Florida Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 34th-largest in Florida
The population of Sumter County, Florida is 137,536 as of the 2023 American Community Survey, making it the 34th-largest county in Florida. The median household income is $73,297, the median home value is $356,000, and the median age is 68.4.
The population of Sumter County has grown 64.1% since 2010 (94,286 → 154,693), a +3.60% annualized rate.
137,536
Population
+3.60%
Annual growth
247
People / sq mi
$73,297
Median Income
$356,000
Median Home Value
Sumter County covers 557 sq mi of land at 246.9 people per square mile.
About Sumter County, FL
Sumter County skews on age — the median resident is 68.4, older than the national median. With 137,536 residents, Sumter County is a county in Florida. It ranks #34 among counties in Florida by population.
Households take in a median $73,297, comfortably below the US median of $78,538. Only 6.0% of residents live in poverty, below the national 12.4%. Housing is expensive: the median home is worth $356,000, with typical rent around $1,225.
About 35.1% of adults 25 and older have a bachelor’s degree, near the 35.0% national figure. About 13.3% of workers primarily work from home, close to the national 14.0%, and the average commute runs about 28 minutes each way.
The age structure shapes everything downstream in Sumter County — from housing demand to the mix of working-age earners reflected in the income figures above.
Sumter County Population History (2010-2024)
The county of Sumter County had a population of 94,286 in 2010 and 154,693 in 2024, a 64.1% growth over 14 years. The peak was 154,693 in 2024. Average annual growth rate: 3.62%.
154,693
Population (2024)
94,286
Population (2010)
154,693
Peak (2024)
3.62%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 94,286 |
| 2011 | 98,011 |
| 2012 | 101,727 |
| 2013 | 106,980 |
| 2014 | 112,354 |
| 2015 | 117,229 |
| 2016 | 122,249 |
| 2017 | 125,298 |
| 2018 | 129,351 |
| 2019 | 133,772 |
| 2020 | 130,303 |
| 2021 | 134,908 |
| 2022 | 144,978 |
| 2023 | 152,157 |
| 2024 | 154,693 |
Race & Ethnicity
| White | 86.3% |
| Black or African American | 6.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.0% |
Age & Sex
68.4
Median Age
50.4%
Female
49.6%
Male
57.8%
Age 65+
Age Distribution
Children (under 15): 5.8% · Seniors (65+): 57.8%
Income & Poverty
| Median household income | $73,297+$1,586 vs state |
| Mean household income | $93,594 |
| Per-capita income | $46,555 |
| Poverty rate | 6.0%-2.9% vs state |
| Unemployment rate | 1.4% |
| Employment-to-population | 23.6% |
Top Industries by Employment
The largest employment sector in Sumter County is professional & business services, accounting for 18.0% of workers.
How residents commute
0.2%
Drive alone
1.5%
Carpool
71.1%
Public transit
13.3%
Work from home
28.0 min
Avg commute
Housing
$356,000+$31,000 vs state
Median home value
$1,225
Median rent
88.1%
Homeownership rate
80,371
Total housing units
83.3%
Occupied
16.7%
Vacant
11.9%
Renter-occupied
Social & access
94.8%
With health insurance
95.4%
With broadband internet
71.6%
Foreign-born
14.2%
Veterans (18+)
18.3%
With a disability
93.4%
Speak language other than English at home
Education
93.2%
High School+
35.1%
Bachelor's+
Largest cities in Florida
Other counties in Florida
Part of Florida
Metro areas in Florida
County rankings
Frequently Asked Questions
Sumter County, Florida has a population of 137,536 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 34th-largest county in Florida. Population density is 247 people per square mile.
The population of Sumter County has grown 64.1% since 2010 (94,286 → 154,693), a +3.60% annualized rate.
The median household income in Sumter County, Florida is $73,297, with mean (average) household income of $93,594 and per-capita income of $46,555. 6.0% of residents live below the federal poverty level.
In Sumter County, the largest racial and ethnic groups are White (86.3%), Black or African American (6.8%), Hispanic or Latino (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Sumter County, Florida is 68.4 years. Residents are 50.4% female and 49.6% male.
The median home value in Sumter County is $356,000 and median monthly rent is $1,225. 88.1% of occupied housing units are owner-occupied. The county has 80,371 total housing units, 16.7% of which are vacant.
The largest employment sector in Sumter County, Florida is professional, scientific, and management services, employing 18.0% of workers. The unemployment rate is 1.4%.
Jacksonville is among the largest cities associated with Sumter County, Florida, with a population of 961,739.
Sumter County, FL Climate
Sumter County, FL has an average annual temperature of 21.5°C (71°F) and receives about 1283 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
21.5°C
Avg Temp
1283
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 14° / 58° | 77 mm |
| February | 15° / 60° | 81 mm |
| March | 18° / 65° | 100 mm |
| April | 21° / 69° | 59 mm |
| May | 24° / 75° | 93 mm |
| June | 27° / 80° | 180 mm |
| July | 27° / 81° | 177 mm |
| August | 27° / 81° | 185 mm |
| September | 26° / 80° | 148 mm |
| October | 23° / 73° | 64 mm |
| November | 19° / 66° | 58 mm |
| December | 16° / 60° | 61 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 Sumter County, FL
The most comfortable months to visit Sumter County, FL are typically April, November and October, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 33°C high). The coldest is January (near 8°C low). August is usually the wettest month.
Where to stay near Sumter County
Visiting or relocating to Sumter County, FL? Compare hotels and short-term rentals across the county — live availability and prices.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.