Demographics of Richland County, South Carolina

Richland County, South Carolina had 434,956 people on July 1, 2025, by the Census Bureau’s estimate: +19,201 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Richland County, in four figures

434,956
Population: July 1, 2025, Vintage 2025 estimate.; +4.6%
Change since July 2020: +19,201 people.; 34.4 ±0.2
Median age: ACS 2020–⁠2024.; $63,784 ±$1,530
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Richland County, South Carolina's population grew 4.6% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Richland County, 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

Richland County, South Carolina's population grew 4.6% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Richland County, 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	415,755	100.0	100.0
2021	417,573	100.4	100.2
2022	421,786	101.5	100.7
2023	424,872	102.2	101.6
2024	430,800	103.6	102.5
2025	434,956	104.6	103.1

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Population of Richland County, South Carolina on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	415,755	−376	+175	+62	−615
2021	417,573	+1,818	+640	+466	+286
2022	421,786	+4,213	+550	+1,326	+2,492
2023	424,872	+3,086	+996	+1,585	+581
2024	430,800	+5,928	+1,013	+2,691	+2,242
2025	434,956	+4,156	+1,012	+1,451	+1,666

Age, 2020–2024

The median age is 34.4 ±0.2: for men 32.6 ±0.2 and for women 35.9 ±0.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Richland County by age, ACS 2020–2024
Age	People	Share	South Carolina	United States
Under 5	23,271 ±34	5.5% ±<0.1	5.5% ±<0.1	5.6% ±<0.1
5 to 17	67,698 ±1,781	16.0% ±0.4	16.0% ±0.1	16.3% ±<0.1
18 to 24	62,437 ±2,114	14.8% ±0.5	9.1% ±0.1	9.1% ±<0.1
25 to 44	113,889 ±1,718	27.0% ±0.4	25.3% ±0.1	26.9% ±<0.1
45 to 64	95,354 ±1,537	22.6% ±0.4	25.2% ±0.1	24.8% ±<0.1
65 and over	59,468 ±1,679	14.1% ±0.4	18.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $63,784 ±$1,530, and income per person $37,859 ±$933, 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 Richland County by income, ACS 2020–2024
Household income	Households	Share	South Carolina	United States
Under $25,000	31,095 ±1,900	18.5% ±1.1	17.0% ±0.2	14.6% ±<0.1
$25,000 to $49,999	35,172 ±2,228	20.9% ±1.3	19.6% ±0.3	16.7% ±<0.1
$50,000 to $74,999	29,017 ±1,676	17.3% ±1.0	17.0% ±0.3	15.5% ±<0.1
$75,000 to $99,999	21,510 ±1,469	12.8% ±0.9	13.1% ±0.2	12.6% ±<0.1
$100,000 to $149,999	22,688 ±1,373	13.5% ±0.8	16.4% ±0.2	17.5% ±<0.1
$150,000 to $199,999	13,550 ±1,027	8.1% ±0.6	8.0% ±0.2	9.6% ±<0.1
$200,000 or more	14,929 ±1,247	8.9% ±0.7	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 Richland County by age, ACS 2020–2024
Age	Below poverty	Rate	South Carolina	United States
All ages	67,959 ±4,204	17.2% ±1.1	14.1% ±0.2	12.5% ±0.1
Under 18	19,970 ±1,741	22.5% ±1.8	19.4% ±0.4	16.1% ±0.1
18 to 59	38,599 ±2,216	17.2% ±1.0	13.1% ±0.2	11.6% ±0.1
60 and over	9,390 ±844	11.4% ±1.0	11.6% ±0.3	11.0% ±<0.1

Housing, 2020–2024

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Housing in Richland County, ACS 2020–2024
Measure	Richland County	South Carolina	United States
Housing units	187,611 ±138	2,443,039 ±311	143,775,355 ±10,234
Occupied	89.5% ±0.7	86.7% ±0.2	89.9% ±0.1
Vacant	10.5% ±0.7	13.3% ±0.2	10.1% ±0.1
Owner occupied	60.3% ±0.9	71.9% ±0.3	65.2% ±0.3
Renter occupied	39.7% ±0.9	28.1% ±0.3	34.8% ±0.1
Median home value	$242,800 ±$4,791	$259,000 ±$1,421	$332,700 ±$236
Median gross rent	$1,228 ±$21	$1,180 ±$9	$1,413 ±$2
Median year built	1989 ±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 Richland County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	South Carolina	United States
Hispanic or Latino	27,169 ±0	6.4% ±<0.1	7.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	166,175 ±626	39.4% ±0.1	61.9% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	198,097 ±1,216	46.9% ±0.3	24.6% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	12,528 ±477	3.0% ±0.1	1.7% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	273 ±110	0.1% ±<0.1	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	86 to 582	< 0.1% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	2,867 ±836	0.7% ±0.2	0.5% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	14,674 ±1,222	3.5% ±0.3	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 Richland County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	South Carolina	United States
Born in the state	233,293 ±3,828	55.3% ±0.9	52.6% ±0.2	57.3% ±<0.1
Born in another state	155,189 ±4,040	36.8% ±1.0	40.4% ±0.2	26.9% ±<0.1
Born a citizen outside the states	8,431 ±1,032	2.0% ±0.2	1.2% ±0.1	1.7% ±<0.1
Born abroad	25,204 ±1,564	6.0% ±0.4	5.8% ±0.1	14.1% ±<0.1
Naturalized citizens	11,877 ±1,085	2.8% ±0.3	2.6% ±0.1	7.4% ±<0.1
Not citizens	13,327 ±1,317	3.2% ±0.3	3.2% ±0.1	6.8% ±<0.1

Richland County among the counties of South Carolina

3rd of 46 by population, July 2025. Every one is listed on the South Carolina page.

Counties of South Carolina near Richland County in population, July 2025
County	July 2025	Change since 2020
Greenville County	583,125	+10.6%
Charleston County	436,200	+6.4%
Richland County	434,956	+4.6%
Horry County	427,551	+20.9%
Spartanburg County	380,857	+15.6%
Lexington County	317,588	+7.7%
York County	306,887	+8.1%
Berkeley County	274,666	+18.7%

Elsewhere on the site

Rankings this appears in

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — 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 — counties and Puerto Rico municipios, with components of change 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