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Richland County, South Carolina Demographics 2026

Richland County, South Carolina has a population of 422,117, the 2nd most populous county in South Carolina. The median household income is $63,784 and the median home value is $242,800. The poverty rate is 17.2%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Richland County Quick Facts

Population 422,117
Median Household Income $63,784
Median Home Value $242,800
Poverty Rate 17.2%
Unemployment Rate 6.5%
Median Age 34.4 years
Homeownership Rate 60.3%
Affordability Ratio 3.8x
Bachelor's Degree+ 40.7%
High School Graduation 92.2%
Cities/Places 16
Population 422,117 2nd of 46
Median Income $63,784 8% lower than state
Poverty Rate 17.2%
Unemployment 6.5%

How Richland County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population418,725422,117+0.8%
Median household income$61,699$63,784+3.4%
Median home value$224,200$242,800+8.3%

Economy & Housing

Household Income Distribution

Under $25K 18.5%
$25K-$50K 20.9%
$50K-$100K 30.1%
$100K+ 30.5%
Detailed income brackets
Under $10K
7.9%
$10K-$15K
3.9%
$15K-$20K
3.3%
$20K-$25K
3.5%
$25K-$30K
4.0%
$30K-$35K
4.4%
$35K-$40K
4.2%
$40K-$45K
4.1%
$45K-$50K
4.3%
$50K-$60K
7.9%
$60K-$75K
9.4%
$75K-$100K
12.8%
$100K-$125K
8.5%
$125K-$150K
5.0%
$150K-$200K
8.1%
$200K+
8.9%

Employment

6.5% Unemployment Rate State: 4.9%|National: 5.2%
64.6% Labor Force Participation

Housing Overview

Owner 60.3%
Renter 39.7%
Affordability Index Affordable
3.8x home value to income ratio
Median gross rent $1,228/mo 23.1% of median household income annually

People & Demographics

Diversity Index

62out of 100
High Diversity

A diverse community with significant representation from multiple racial and ethnic groups.

State average: 55 | National average: 61

Education

Cities & Places in Richland County

CityPopulationMedian IncomePovertyHome Value
Columbia139,643$55,52924.0%$264,300
St. Andrews19,868$46,51125.4%$161,300
Dentsville15,209$45,47315.7%$163,700
Cayce13,741$62,04513.7%$166,800
Irmo11,813$80,4899.2%$203,400
Forest Acres10,530$78,3068.2%$279,300
Woodfield9,465$45,52619.8%$150,800
Lake Murray of Richland7,023$119,1072.0%$422,100
Blythewood5,731$94,1674.8%$384,600
Capitol View4,374$46,64510.6%$187,600
Arthurtown3,272$21,04663.2%$120,100
Hopkins1,985$50,06325.7%$99,300
Gadsden1,443$52,96629.0%$112,900
Olympia935$29,66377.1%N/A
Arcadia Lakes901$103,2503.5%$351,000
Eastover485$20,73535.7%$117,400

Population Overview

Richland County is located in South Carolina with a total population of 422,117. It is the 2nd most populous county out of 46 in South Carolina. The county encompasses 16 Census-designated places.

Age Demographics

The median age in Richland County is 34.4 years. This is 14% lower than the state median of 40.2 years.

Economy, Income & Housing

The median household income in Richland County is $63,784. This is 8% lower than the state median of $69,324. It is also 21% lower than the national median of $80,734. The poverty rate stands at 17.2%. This is 22% higher than the state poverty rate of 14.1%. The unemployment rate is 6.5%. This is 32% higher than the state rate of 4.9%. The median home value is $242,800. Housing costs are 6% lower than the state median of $259,000. The home-value-to-income ratio is 3.8x. 60.3% of occupied housing units are owner-occupied. This homeownership rate is 16% lower than the state average of 71.9%.

Race & Ethnicity

The largest racial or ethnic group in Richland County is Black or African American, making up 46.9% of the population. White (non-Hispanic) residents account for 39.4%. The Black or African American population is significantly higher than the state average (46.9% vs 24.6%). The Asian population is significantly higher than the state average (3.0% vs 1.8%).

Education

40.7% of residents aged 25 and older hold a bachelor's degree or higher. This places Richland County in the top 10% of all counties in the state for educational attainment. This is 27% higher than the state rate of 32.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.2%. Notably, 17.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All figures for Richland County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against South Carolina 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.

Frequently Asked Questions

What is the population of Richland County, South Carolina?

Richland County has a population of 422,117, making it the 2nd most populous county in South Carolina.

What is the median income in Richland County?

The median household income in Richland County is $63,784 with a poverty rate of 17.2%.

How many cities are in Richland County, South Carolina?

Richland County contains 16 Census-designated places.