Sumter County, Florida Demographics 2026

Population Overview

Sumter County is located in Florida with a total population of 143,408. It is the 34th most populous county out of 67 in Florida. The county encompasses 6 Census-designated places.

Age Demographics

The median age in Sumter County is 68.5 years. This is 61% higher than the state median of 42.6 years. Only 7.1% of residents are under 18, indicating fewer families with children. 28.0% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Sumter County is $76,508. This is 3% higher than the state median of $74,568. It is also 5% lower than the national median of $80,734. The poverty rate stands at 9.7%. This is 23% lower than the state poverty rate of 12.6%. The unemployment rate is 5.5%. This is 13% higher than the state rate of 4.8%. The median home value is $385,400. Housing costs are 7% higher than the state median of $359,000. The home-value-to-income ratio is 5.0x. 87.6% of occupied housing units are owner-occupied. This homeownership rate is 30% higher than the state average of 67.6%.

Race & Ethnicity

The largest racial or ethnic group in Sumter County is White (non-Hispanic), making up 83.6% of the population. Hispanic or Latino residents account for 6.4%. The White (non-Hispanic) population is significantly higher than the state average (83.6% vs 50.4%). The Black or African American population (6.3%) is well below the state average of 14.6%. The Hispanic or Latino population (6.4%) is well below the state average of 27.4%. The Asian population (1.0%) is well below the state average of 2.9%.

Education

35.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 3% higher than the state rate of 34.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.7%.

Data Sources & Methodology

All figures for Sumter County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Florida and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.