Richland County, South Carolina Population 2020

Richland County, South Carolina's estimated population is 420,786 with a growth rate of 0.74% in the past year according to the most recent United States census data. Richland County, South Carolina is the 2nd largest county in South Carolina.

Year Population Growth Growth Rate
2020420,7863,1050.74%
2019417,6813,1050.75%
2018414,5763,1050.75%
2017411,4712,5580.63%
2016408,9132,9210.72%
2015405,9925,6311.41%
2014400,3613,5740.90%
2013396,7873,7860.96%
2012393,0013,7990.98%
2011389,2023,4450.89%
2010385,757100,03735.01%
1990285,72015,9855.93%
1980269,73535,86715.34%
1970233,86833,76616.87%
1960200,10257,53740.36%
1950142,56537,72235.98%
1940104,84317,17619.59%
193087,6679,54512.22%
192078,12222,97941.67%
191055,1439,55420.96%
190045,5898,76823.81%
189036,8218,24828.87%
188028,5735,54824.10%
187023,0254,71825.77%
186018,307-1,936-9.56%
185020,2433,84623.46%
184016,3971,62511.00%
183014,7722,45119.89%
182012,3213,29436.49%
18109,0272,93048.06%
18006,0972,16755.14%
17903,9300.00%
2020 Growth Rate
0.74%
County Website
Founded
1785
County Seat
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Richland County, South Carolina Population Growth

Population by Race

Race Population Percentage
Black or African American190,40146.64%
White185,68345.48%
Two or More Races12,1342.97%
Asian11,4522.81%
Some Other Race7,4301.82%
American Indian and Alaska Native6860.17%
Native Hawaiian and Other Pacific Islander4770.12%
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Richland County, South Carolina Population Pyramid 2020

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Richland County, South Carolina Median Age

33.2


Total

31.4


Male

35


Female

Richland County, South Carolina Adults

There are 319,982 adults, (48,691 of whom are seniors) in Richland County, South Carolina.

Richland County, South Carolina Age Dependency

50.5

Age Dependency Ratio

17.9

Old Age Dependency Ratio

32.5

Child Dependency Ratio

Richland County, South Carolina Sex Ratio

Female

210,428

51.54%

Male

197,835

48.46%

Richland County, South Carolina Households and Families

Richland County, South Carolina Renter vs Owner Occupied by Household Type

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Richland County, South Carolina Household Types

Type Owner Renter
Married81.5%18.5%
All58.8%41.2%
Non Family45.1%54.9%
Male44.5%55.5%
Female44%56%

58.8%

Rate of Home Ownership

Type Count Average Size Owned
All150,3092.5158.8
Non Family59,9341.3145.1
Married57,6543.2181.5
Female26,2513.5544
Male6,4703.1944.5

3.23

Average Family Size

2.51

Average Household Size

4.9%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

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Richland County, South Carolina Education

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Education Attained Count Percentage
Less Than 9th Grade6,8242.68%
9th to 12th Grade15,9056.25%
High School Graduate57,09522.43%
Some College56,80122.31%
Associates Degree21,9478.62%
Bachelors Degree56,88322.34%
Graduate Degree39,14215.37%
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Richland County, South Carolina Educational Attainment by Race

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Name Total High School Bachelors
Black116,598102,80829,367
White116,288111,07758,757
Hispanic10,7287,9462,705
Asian6,8436,0933,696
Multiple Races4,4604,1841,549
Other Race4,1022,491767
Native American52447658
Islander29527215

The highest rate of high school graduation is among white people with a rate of 95.52%.

The highest rate of bachelors degrees is among asian people with a rate of 54.01%.

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Name Average Male Female
Overall$36,374$41,192$32,326
Less Than High School$17,772$20,439$13,711
High School Grad$25,910$29,389$22,489
Some College$31,998$36,895$28,518
Bachelors Degree$48,051$57,481$39,768
Graduate Degree$56,894$68,739$51,971

$36,374

Average Earnings

$41,192

Average Male

$32,326

Average Female

Richland County, South Carolina Language

Richland County, South Carolina Language by Age

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Richland County, South Carolina Language

91.51% of Richland County, South Carolina residents speak only English, while 8.49% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.86% of the population.

Richland County, South Carolina Poverty

Richland County, South Carolina Poverty by Race

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Name Total In Poverty Poverty Rate
Black180,03037,06620.59%
White160,29316,49910.29%
Hispanic17,6464,46225.29%
Other7,1862,26631.53%
Multiple10,4202,10620.21%
Asian10,5341,92418.26%
Native65528743.82%
Islander418235.50%

16.30%

Overall Poverty Rate

14.90%

Male Poverty Rate

17.56%

Female Poverty Rate

Poverty in Richland County, South Carolina

The race most likely to be in poverty in Richland County, South Carolina is Native, with 43.82% below the poverty level.

The race least likely to be in poverty in Richland County, South Carolina is Islander, with 5.50% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.57%. Among those working part-time, it was 24.02%, and for those that did not work, the poverty rate was 24.95%.

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Name Poverty
Less Than High School32.10%
High School17.17%
Some College11.27%
Bachelors or Greater4.99%
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Name Poverty
Female Unemployed37.36%
Male Unemployed24.49%
Female Employed11.12%
Male Employed7.61%

Richland County, South Carolina Income

Richland County, South Carolina Income by Household Type

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Name Median Mean
Households$53,922$73,371
Families$70,258$90,553
Married Families$91,621$114,448
Non Families$34,749$45,400
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Richland County, South Carolina Marital Status

Richland County, South Carolina Marital Status

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Marriage Rates

37.8%

Overall Marriage Rate

40.2%

Male Marriage Rate

35.6%

Female Marriage Rate

Richland County, South Carolina Married by Age and Sex

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Richland County, South Carolina Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Richland County, South Carolina Marital Status by Race

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Richland County, South Carolina Veterans

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31,545

Number of Veterans

26,258

Male Veterans

5,287

Female Veterans

War Veterans
First Gulf War10,502
Second Gulf War9,532
Vietnam9,517
Korea1,470
World War II634
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Age Group Veterans
35 to 5410,437
55 to 646,542
65 to 746,498
75+4,060
18 to 344,008
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Name Veterans % of Total
Black15,39510.92%
White14,80810.05%
Hispanic1,23910.25%
2 or More66010.35%
Other3758.03%
Indian13224.09%
Asian1101.24%
Hawaiian6521.52%

Richland County, South Carolina Veterans by Education

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7.09%

Veteran Poverty Rate

28.62%

Veteran Disability Rate

Richland County, South Carolina Employment Status

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66.8%

Labor Force Participation

59.1%

Employment Rate

6.8%

Unemployment Rate

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Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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56.48%

Born in South Carolina

94.52%

Native Born

5.48%

Foreign Born

2.97%

Non Citizen

2.51%

Naturalized

Place of Birth

94.52% of Richland County, South Carolina residents were born in the United States, with 56.48% having been born in South Carolina. 2.97% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990