Sumter County Demographics

A map of Sumter County's Population by Race

Sumter County, Florida has an estimated population of 143,408, a large increase from the 129,752 recorded in the 2020 Census. The population is 83.6% White, 6.4% Hispanic, 6.3% Black, 2.0% Multiracial, 1.0% Asian, and 0.6% Native American/Other. This demographic dot map shows the population of Sumter County, with one dot drawn for each person counted by the Census, color-coded by race.

Sumter has become slightly more racially diverse since the 2020 Census. It is considerably less diverse than Florida overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Sumter County, that probability was 28.3% in 2020 and 29.2% in the most recent ACS estimates.

Sumter County is ranked the 34th most populous county in Florida, out of 67 counties. Sumter County was ranked the 34th most populous county in the 2020 Census.

Sumter County's White Population

119,928 residents of Sumter County, or 83.6% of the population, identify as White. The share of White residents in Sumter County is significantly higher than in Florida overall, where 50.4% of the population is White. Sumter County ranks 3rd statewide in terms of White residents as a share of the population, out of 67 counties.

Since the 2020 Census, Sumter County's White population has grown by an estimated 9.8%. White residents' share of Sumter County's population has decreased from 84.2% to 83.6%.

Sumter County is more White than neighboring Lake County (63.6% White), Hernando County (72.1% White), Marion County (65.5% White), and Pasco County (67.5% White). Sumter County is less White than neighboring Citrus County (85.3% White).

Sumter County's Black Population

9,103 residents of Sumter County, or 6.3% of the population, identify as Black. The share of Black residents in Sumter County is lower than in Florida overall, where 14.6% of the population is Black. Sumter County ranks 53rd statewide in terms of Black residents as a share of the population, out of 67 counties.

Since the 2020 Census, Sumter County's Black population has grown by an estimated 9.5%. Black residents' share of Sumter County's population has remained roughly unchanged at 6.3%.

Sumter County is more Black than neighboring Hernando County (4.7% Black), Citrus County (1.7% Black), and Pasco County (6% Black). Sumter County is less Black than neighboring Lake County (10.2% Black), and Marion County (11.6% Black).

Sumter County's Asian Population

1,466 residents of Sumter County, or 1.0% of the population, identify as Asian. The share of Asian residents in Sumter County is comparable to the share in Florida overall, where 2.9% of the population is Asian. Sumter County ranks 41st statewide in terms of Asian residents as a share of the population, out of 67 counties.

Since the 2020 Census, Sumter County's Asian population has grown by an estimated 18.4%. Asian residents' share of Sumter County's population has remained roughly unchanged at 1.0%.

Sumter County is less Asian than neighboring Lake County (2% Asian), Hernando County (1.3% Asian), Marion County (1.7% Asian), Citrus County (1.3% Asian), and Pasco County (3.4% Asian).

Sumter County's Hispanic Population

9,163 residents of Sumter County, or 6.4% of the population, identify as Hispanic. The share of Hispanic residents in Sumter County is significantly lower than in Florida overall, where 27.4% of the population is Hispanic. Sumter County ranks 52nd statewide in terms of Hispanic residents as a share of the population, out of 67 counties.

Since the 2020 Census, Sumter County's Hispanic population has grown by an estimated 20.8%. Hispanic residents' share of Sumter County's population has increased from 5.8% to 6.4%.

Sumter County is less Hispanic than neighboring Lake County (18.8% Hispanic), Hernando County (17% Hispanic), Marion County (17% Hispanic), Citrus County (7% Hispanic), and Pasco County (18.6% Hispanic).

Sumter County's Native American/Other Population

883 residents of Sumter County, or 0.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Sumter County is comparable to the share in Florida overall, where 0.8% of the population is Native American/Other. Sumter County ranks 61st statewide in terms of Native American/Other residents as a share of the population, out of 67 counties.

Since the 2020 Census, Sumter County's Native American/Other population has grown by an estimated 33.4%. Native American/Other residents' share of Sumter County's population has remained roughly unchanged at 0.6%.

Sumter County is less Native American/Other than neighboring Lake County (1% Native American/Other), Hernando County (1.2% Native American/Other), Marion County (0.8% Native American/Other), Citrus County (0.7% Native American/Other), and Pasco County (0.7% Native American/Other).

Sumter County's Multiracial Population

2,865 residents of Sumter County, or 2.0% of the population, identify as Multiracial. The share of Multiracial residents in Sumter County is comparable to the share in Florida overall, where 3.8% of the population is Multiracial. Sumter County ranks 62nd statewide in terms of Multiracial residents as a share of the population, out of 67 counties.

Since the 2020 Census, Sumter County's Multiracial population has grown by an estimated 4.4%. Multiracial residents' share of Sumter County's population has remained roughly unchanged at 2.0%.

Sumter County is less Multiracial than neighboring Lake County (4.4% Multiracial), Hernando County (3.7% Multiracial), Marion County (3.4% Multiracial), Citrus County (4.1% Multiracial), and Pasco County (3.8% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.