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World Population Review
Dorchester County, South Carolina Population 2021
Dorchester County, South Carolina's estimated population is 166,991 with a growth rate of 1.27% in the past year according to the most recent United States census data. Dorchester County, South Carolina is the 13th largest county in South Carolina. The 2010 Population was 137,030 and has seen a growth of 21.86% since this time.
Note: 2020 and 2021 data is projected
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2021 | 166,991 | 2,091 | 1.27% |
| 2020 | 164,900 | 2,091 | 1.28% |
| 2019 | 162,809 | 2,091 | 1.30% |
| 2018 | 160,718 | 1,730 | 1.09% |
| 2017 | 158,988 | 2,815 | 1.80% |
| 2016 | 156,173 | 3,364 | 2.20% |
| 2015 | 152,809 | 4,061 | 2.73% |
| 2014 | 148,748 | 3,210 | 2.21% |
| 2013 | 145,538 | 2,930 | 2.05% |
| 2012 | 142,608 | 2,459 | 1.75% |
| 2011 | 140,149 | 3,119 | 2.28% |
| 2010 | 137,030 | 53,970 | 64.98% |
| 1990 | 83,060 | 24,299 | 41.35% |
| 1980 | 58,761 | 26,485 | 82.06% |
| 1970 | 32,276 | 7,893 | 32.37% |
| 1960 | 24,383 | 1,782 | 7.88% |
| 1950 | 22,601 | 2,673 | 13.41% |
| 1940 | 19,928 | 972 | 5.13% |
| 1930 | 18,956 | -503 | -2.58% |
| 1920 | 19,459 | 1,568 | 8.76% |
| 1910 | 17,891 | 1,597 | 9.80% |
| 1900 | 16,294 | 0.00% |
2021 Growth Rate
1.27%
County Website
State
Founded
1897
County Seat
Lat./Long.
2010 Population
137,030
Growth Since 2010
21.86%
Dorchester County, South Carolina Population Growth
| Race | Population | Percentage |
|---|---|---|
| White | 106,779 | 67.45% |
| Black or African American | 39,720 | 25.09% |
| Two or More Races | 5,130 | 3.24% |
| Some Other Race | 2,930 | 1.85% |
| Asian | 2,866 | 1.81% |
| American Indian and Alaska Native | 676 | 0.43% |
| Native Hawaiian and Other Pacific Islander | 198 | 0.13% |
Dorchester County, South Carolina Population by Race
Dorchester County, South Carolina Population Pyramid $2021
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Dorchester County, South Carolina Population by Age
Dorchester County, South Carolina Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 55,351 | 2.83 | 71.7 |
| Married | 28,333 | 3.4 | 84.5 |
| Non Family | 16,974 | 1.22 | 60.8 |
| Female | 7,820 | 3.94 | 52.9 |
| Male | 2,224 | 3.91 | 57.2 |
3.43
Average Family Size
2.83
Average Household Size
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Dorchester County, South Carolina Households by Type
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 3,768 | 3.54% |
| 9th to 12th Grade | 7,182 | 6.76% |
| High School Graduate | 29,048 | 27.32% |
| Some College | 24,419 | 22.97% |
| Associates Degree | 11,914 | 11.21% |
| Bachelors Degree | 19,795 | 18.62% |
| Graduate Degree | 10,183 | 9.58% |
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Dorchester County, South Carolina Educational Attainment by Sex (over 25)
Dorchester County, South Carolina Educational Attainment by Race
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| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 71,761 | 66,883 | 23,070 |
| Black | 25,540 | 21,515 | 4,874 |
| Hispanic | 4,629 | 3,280 | 817 |
| Other Race | 1,994 | 1,111 | 137 |
| Asian | 1,979 | 1,492 | 833 |
| 2+ Races | 1,869 | 1,602 | 430 |
| Native American | 476 | 424 | 35 |
| Islander | 57 | 57 | 5 |
The highest rate of high school graduation is among islander people with a rate of 100.00%.
The highest rate of bachelors degrees is among asian people with a rate of 42.09%.
Dorchester County, South Carolina Educational Attainment by Race
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$40,862
Average Earnings
$50,277
Average Male
$32,697
Average Female
Dorchester County, South Carolina Earnings by Educational Attainment
Dorchester County, South Carolina Language by Age
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Dorchester County, South Carolina Language
93.67% of Dorchester County, South Carolina residents speak only English, while 6.33% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.55% of the population.
Dorchester County, South Carolina Language
Dorchester County, South Carolina Poverty by Race
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| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 100,661 | 8,973 | 8.91% |
| Black | 38,707 | 7,284 | 18.82% |
| Hispanic | 8,354 | 1,753 | 20.98% |
| Other | 2,801 | 870 | 31.06% |
| Multiple | 4,896 | 583 | 11.91% |
| Asian | 2,866 | 208 | 7.26% |
| Native | 676 | 92 | 13.61% |
12.10%
Overall Poverty Rate
10.02%
Male Poverty Rate
14.03%
Female Poverty Rate
Poverty in Dorchester County, South Carolina
The race most likely to be in poverty in Dorchester County, South Carolina is Other, with 31.06% below the poverty level.
The race least likely to be in poverty in Dorchester County, South Carolina is Asian, with 7.26% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.23%. Among those working part-time, it was 15.29%, and for those that did not work, the poverty rate was 18.73%.
Dorchester County, South Carolina Poverty
Dorchester County, South Carolina Poverty Rate by Education
Dorchester County, South Carolina Marital Status
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Marriage Rates
49.3%
Overall Marriage Rate
52.2%
Male Marriage Rate
46.6%
Female Marriage Rate
Dorchester County, South Carolina Married by Age and Sex
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Dorchester 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 45-54.
Dorchester County, South Carolina Marital Status by Race
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Dorchester County, South Carolina Marital Status
Dorchester County, South Carolina Veterans by War
Dorchester County, South Carolina Veterans by Age
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| Name | Veterans | % of Total |
|---|---|---|
| White | 12,268 | 15.08% |
| Black | 3,353 | 11.38% |
| Hispanic | 551 | 10.19% |
| Other Race | 174 | 7.92% |
| 2+ Races | 124 | 5.68% |
| Asian | 123 | 5.61% |
| Native American | 70 | 14.46% |
Dorchester County, South Carolina Veterans by Race
Dorchester County, South Carolina Veterans by Education
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5.33%
Veteran Poverty Rate
22.08%
Veteran Disability Rate
Dorchester County, South Carolina Veterans by Education
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64.3%
Labor Force Participation
60.5%
Employment Rate
4.6%
Unemployment Rate
Dorchester County, South Carolina Employment by Age
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Dorchester County, South Carolina Employment by Race
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Dorchester County, South Carolina 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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95.04%
Native Born
4.96%
Foreign Born
2.73%
Non Citizen
2.23%
Naturalized
Place of Birth
95.04% of Dorchester County, South Carolina residents were born in the United States, with 48.23% having been born in South Carolina. 2.73% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Dorchester County, South Carolina Place of Birth
- US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
- Population of States and Counties of the United States: 1790 - 1990