Demographics of Sumter city, South Carolina

Sumter city, South Carolina had 43,094 people on July 1, 2025, by the Census Bureau’s estimate: −357 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Sumter city, in four figures

43,094
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 43,053 ±52.; −0.8%
Change since July 2020: −357 people.; 33.6 ±1.6
Median age: ACS 2020–⁠2024.; $55,592 ±$4,294
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Sumter city, South Carolina's population shrank 0.8% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Sumter city, South Carolina's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Sumter city, South Carolina's population shrank 0.8% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Sumter city, South Carolina's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	43,451	100.0	100.0
2021	43,260	99.6	100.2
2022	42,888	98.7	100.7
2023	42,960	98.9	101.6
2024	43,058	99.1	102.5
2025	43,094	99.2	103.1

Population of Sumter city, South Carolina on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	43,451	—
2021	43,260	−191
2022	42,888	−372
2023	42,960	+72
2024	43,058	+98
2025	43,094	+36

Age, 2020–2024

The median age is 33.6 ±1.6: for men 30.1 ±1.5 and for women 37.8 ±2.5. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Sumter city by age, ACS 2020–2024
Age	People	Share	South Carolina	United States
Under 5	3,311 ±485	7.7% ±1.1	5.5% ±<0.1	5.6% ±<0.1
5 to 17	7,881 ±774	18.3% ±1.8	16.0% ±0.1	16.3% ±<0.1
18 to 24	4,824 ±506	11.2% ±1.2	9.1% ±0.1	9.1% ±<0.1
25 to 44	10,595 ±695	24.6% ±1.6	25.3% ±0.1	26.9% ±<0.1
45 to 64	8,852 ±698	20.6% ±1.6	25.2% ±0.1	24.8% ±<0.1
65 and over	7,590 ±642	17.6% ±1.5	18.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $55,592 ±$4,294, and income per person $29,338 ±$1,757, in 2024 dollars. The median is $69,324 ±$570 in South Carolina and $80,734 ±$166 in the United States.

Households by income

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Households in Sumter city by income, ACS 2020–2024
Household income	Households	Share	South Carolina	United States
Under $25,000	3,673 ±522	22.8% ±3.1	17.0% ±0.2	14.6% ±<0.1
$25,000 to $49,999	3,547 ±522	22.1% ±3.1	19.6% ±0.3	16.7% ±<0.1
$50,000 to $74,999	2,861 ±455	17.8% ±2.7	17.0% ±0.3	15.5% ±<0.1
$75,000 to $99,999	2,148 ±443	13.4% ±2.7	13.1% ±0.2	12.6% ±<0.1
$100,000 to $149,999	2,046 ±335	12.7% ±2.0	16.4% ±0.2	17.5% ±<0.1
$150,000 to $199,999	785 ±185	4.9% ±1.1	8.0% ±0.2	9.6% ±<0.1
$200,000 or more	1,021 ±255	6.3% ±1.6	8.9% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Sumter city by age, ACS 2020–2024
Age	Below poverty	Rate	South Carolina	United States
All ages	6,899 ±1,074	16.7% ±2.6	14.1% ±0.2	12.5% ±0.1
Under 18	1,946 ±469	17.6% ±4.0	19.4% ±0.4	16.1% ±0.1
18 to 59	3,231 ±556	15.5% ±2.6	13.1% ±0.2	11.6% ±0.1
60 and over	1,722 ±396	18.3% ±3.8	11.6% ±0.3	11.0% ±<0.1

Housing, 2020–2024

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Housing in Sumter city, ACS 2020–2024
Measure	Sumter city	South Carolina	United States
Housing units	18,739 ±608	2,443,039 ±311	143,775,355 ±10,234
Occupied	85.8% ±2.0	86.7% ±0.2	89.9% ±0.1
Vacant	14.2% ±1.8	13.3% ±0.2	10.1% ±0.1
Owner occupied	57.2% ±3.1	71.9% ±0.3	65.2% ±0.3
Renter occupied	42.8% ±3.3	28.1% ±0.3	34.8% ±0.1
Median home value	$199,100 ±$11,238	$259,000 ±$1,421	$332,700 ±$236
Median gross rent	$1,076 ±$60	$1,180 ±$9	$1,413 ±$2
Median year built	1986 ±2	1992 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Sumter city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	South Carolina	United States
Hispanic or Latino	3,076 ±561	7.1% ±1.3	7.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	16,546 ±946	38.4% ±2.2	61.9% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	19,850 ±1,068	46.1% ±2.5	24.6% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	1,206 ±255	2.8% ±0.6	1.7% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 72	0% to 0.2%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 41	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	49 to 695	0.1% to 1.6%	0.5% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,953 ±625	4.5% ±1.5	3.7% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Sumter city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	South Carolina	United States
Born in the state	24,864 ±1,021	57.8% ±2.4	52.6% ±0.2	57.3% ±<0.1
Born in another state	15,183 ±1,004	35.3% ±2.3	40.4% ±0.2	26.9% ±<0.1
Born a citizen outside the states	914 ±270	2.1% ±0.6	1.2% ±0.1	1.7% ±<0.1
Born abroad	2,092 ±476	4.9% ±1.1	5.8% ±0.1	14.1% ±<0.1
Naturalized citizens	1,193 ±259	2.8% ±0.6	2.6% ±0.1	7.4% ±<0.1
Not citizens	899 ±370	2.1% ±0.9	3.2% ±0.1	6.8% ±<0.1

Sumter city among the places of South Carolina

9th of 102 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the South Carolina page.

Places of South Carolina near Sumter city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Mount Pleasant town	93,993 ±36
Rock Hill city	75,259 ±94
Greenville city	72,935 ±52
Summerville town	51,654 ±63
Goose Creek city	48,078 ±61
Sumter city	43,053 ±52
Greer city	41,536 ±59
Florence city	40,408 ±41
Spartanburg city	38,910 ±55
Myrtle Beach city	38,371 ±79
Hilton Head Island town	37,911 ±43

Elsewhere on the site

Reported crime in Sumter city, South Carolina

Rankings this appears in

No. 18 Places in South Carolina by poverty rate
No. 21 Places in South Carolina by Hispanic or Latino share
No. 28 Places in South Carolina by foreign-born share
No. 39 Places in South Carolina by median rent
No. 44 Places in South Carolina by median household income
No. 51 Places in South Carolina by median age

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026