Summerville, South Carolina Population 2021

53,887
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Summerville is a city located in Dorchester County South Carolina. With a 2020 population of 53,887, it is the 7th largest city in South Carolina and the 729th largest city in the United States . Summerville is currently growing at a rate of 1.26% annually and its population has increased by 24.19% since the most recent census, which recorded a population of 43,392 in 2010. Summerville reached it's highest population of 53,887 in 2021. Spanning over 20 miles, Summerville has a population density of 2,736 people per square mile.

The average household income in Summerville is $79,699 with a poverty rate of 11.70%. The median rental costs in recent years comes to $1,108 per month, and the median house value is $207,800. The median age in Summerville is 35.6 years, 34.5 years for males, and 36.5 years for females.

Summerville Demographics

According to the most recent ACS, the racial composition of Summerville was:

  • White: 71.18%
  • Black or African American: 21.38%
  • Two or more races: 3.07%
  • Asian: 1.92%
  • Other race: 1.91%
  • Native American: 0.52%
  • Native Hawaiian or Pacific Islander: 0.01%
The current population of Summerville, South Carolina is 53,887 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 51,880.The last official US Census in 2010 recorded the population at 43,392.

Summerville, South Carolina Population 2021

Population by Race

Race Population Percentage
White37,75371.18%
Black or African American11,33821.38%
Two or More Races1,6303.07%
Asian1,0171.92%
Some Other Race1,0141.91%
American Indian and Alaska Native2780.52%
Native Hawaiian and Other Pacific Islander70.01%
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Summerville Population by Race

Summerville Population Pyramid $2021

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Summerville Median Age

35.6


Total

34.5


Male

36.5


Female

Summerville Adults

There are 39,650 adults, (6,922 of whom are seniors) in Summerville.

Summerville Age Dependency

62.1

Age Dependency Ratio

21.2

Old Age Dependency Ratio

40.9

Child Dependency Ratio

Summerville Sex Ratio

Female

27,381

51.63%

Male

25,656

48.37%

Summerville Population by Age

Summerville Renter vs Owner Occupied by Household Type

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Summerville Household Types

Type Owner Renter
Married79.8%20.2%
All63.6%36.4%
Non Family50.9%49.1%
Male46.4%53.6%
Female46.1%53.9%

63.6%

Rate of Home Ownership

Summerville Households and Families

Type Count Average Size Owned
All19,3742.7263.6
Married9,1673.3379.8
Non Family6,2441.2750.9
Female3,1443.5446.1
Male8193.8746.4

3.34

Average Family Size

2.72

Average Household Size

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Summerville Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,1283.23%
9th to 12th Grade1,7785.10%
High School Graduate8,87025.43%
Some College8,14823.36%
Associates Degree4,60213.19%
Bachelors Degree6,60718.94%
Graduate Degree3,74810.75%
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Summerville Educational Attainment by Sex (over 25)

Summerville Educational Attainment by Race

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Race Total High School Bachelors
White24,79423,5438,038
Black6,7255,6681,398
Hispanic1,5081,261402
2+ Races844720273
Asian770510260
Other Race70057798
Native American123123
Islander77

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 33.77%.

Summerville Educational Attainment by Race

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Name Average Male Female
Overall$42,445$50,907$34,345
Less Than 9th Grade$18,667$27,946$9,911
High School Graduate$37,079$40,833$30,658
Some College$39,996$46,013$33,952
Bachelors Degree$49,832$73,938$33,080
Graduate Degree$66,433$92,348$52,607

$42,445

Average Earnings

$50,907

Average Male

$34,345

Average Female

Summerville Earnings by Educational Attainment

Summerville Language by Age

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Summerville Language

93.84% of Summerville residents speak only English, while 6.16% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.04% of the population.

Summerville Language

Summerville Poverty by Race

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Name Total In Poverty Poverty Rate
Black11,2522,97426.43%
White35,8852,3446.53%
Multiple1,62634521.22%
Hispanic2,6592348.80%
Asian1,01717717.40%
Other1,01211311.17%
Native2786623.74%

11.70%

Overall Poverty Rate

10.61%

Male Poverty Rate

12.73%

Female Poverty Rate

Poverty in Summerville

The race most likely to be in poverty in Summerville is Black, with 26.43% below the poverty level.

The race least likely to be in poverty in Summerville is White, with 6.53% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.45%. Among those working part-time, it was 15.23%, and for those that did not work, the poverty rate was 18.14%.

Summerville Poverty

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Name Poverty
Less Than 9th Grade32.21%
High School14.20%
Some College7.52%
Bachelors or Greater2.74%

Summerville Poverty Rate by Education

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Rate Poverty
Male Unemployed23.63%
Female Unemployed21.05%
Female Employed7.02%
Male Employed3.15%

Summerville Poverty Rate by Employment Status and Sex

Summerville Income by Household Type

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Name Median Mean
Households$59,180$79,699
Families$75,596$91,277
Married Families$91,949-
Non Families$40,275$52,155
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Income by Household Type

Summerville Marital Status

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Marriage Rates

47.9%

Overall Marriage Rate

51.9%

Male Marriage Rate

44.3%

Female Marriage Rate

Summerville Married by Age and Sex

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Summerville Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 55-64.

Summerville Marital Status by Race

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Summerville Marital Status

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5,460

Number of Veterans

4,513

Male Veterans

947

Female Veterans

War Veterans
First Gulf War1,967
Second Gulf War1,812
Vietnam1,567
Korea109
World War II58

Summerville Veterans by War

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Age Group Veterans
35 to 541,789
55 to 641,420
65 to 741,015
18 to 34707
75+529

Summerville Veterans by Age

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Name Veterans % of Total
White4,02214.01%
Black1,23515.67%
Hispanic25314.23%
Other Race9211.21%
2+ Races858.98%
Asian263.14%

Summerville Veterans by Race

Summerville Veterans by Education

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8.50%

Veteran Poverty Rate

23.82%

Veteran Disability Rate

Summerville Veterans by Education

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66.9%

Labor Force Participation

62.5%

Employment Rate

5.4%

Unemployment Rate

Summerville Employment by Age

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Summerville Employment by Race

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Summerville Employment by Education

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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45.70%

Born in Summerville

95.39%

Native Born

4.61%

Foreign Born

2.48%

Non Citizen

2.12%

Naturalized

Place of Birth

95.39% of Summerville residents were born in the United States, with 45.70% having been born in South Carolina. 2.48% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Summerville Place of Birth

Year Population Growth Annual Growth Rate
202153,8876691.26%
202053,2186691.27%
201952,5496691.29%
201851,8803630.70%
201751,5171,3012.59%
201650,2169892.01%
201549,2271,8573.92%
201447,3701,4183.09%
201345,9521,2422.78%
201244,7107281.66%
201143,9828071.87%
201043,17515,4234.52%
200027,7525,2332.11%
199022,51916,15113.46%
19806,3682,5295.19%
19703,8392060.55%
19603,6333210.93%
19503,3122890.92%
19403,0234441.60%
19302,579290.11%
19202,5503500.74%
19002,2000.00%

Summerville Population by Year