Union, South Carolina Population 2020

7,630

Union is a city located in South Carolina. With a 2020 population of 7,630, it is the 48th largest city in South Carolina and the 3736th largest city in the United States. Union is currently declining at a rate of -0.87% annually and its population has decreased by -9.09% since the most recent census, which recorded a population of 8,393 in 2010. Union reached it's highest population of 10,775 in 1970. Spanning over 8 miles, Union has a population density of 956 people per square mile.

The average household income in Union is $42,989 with a poverty rate of 36.04%. The median rental costs in recent years comes to $630 per month, and the median house value is $76,100. The median age in Union is 40.5 years, 34.1 years for males, and 45.4 years for females. For every 100 females there are 87.2 males.

Union Demographics

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

  • Black or African American: 48.36%
  • White: 47.93%
  • Two or more races: 2.73%
  • Other race: 0.98%
  • Native American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Union, South Carolina is 7,630, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 7,764.The last official US Census in 2010 recorded the population at 8,393.

Union, South Carolina Population 2020

Population by Race

Race Population Percentage
Black or African American3,81048.36%
White3,77647.93%
Two or More Races2152.73%
Some Other Race770.98%

Union Population Pyramid 2020

Union Median Age

40.5


Total

34.1


Male

45.4


Female

Union Adults

There are 5,952 adults, (1,373 of whom are seniors) in Union.

Union Age Dependency

72

Age Dependency Ratio

30

Old Age Dependency Ratio

42.1

Child Dependency Ratio

Union Sex Ratio

Female

4,209

53.43%

Male

3,669

46.57%

Union Households and Families

Union Renter vs Owner Occupied by Household Type

Union Household Types

Type Owner Renter
Married79.8%20.2%
All50%50%
Non Family41.9%58.1%
Male35.5%64.5%
Female32.3%67.7%

50.0%

Rate of Home Ownership

Type Count Average Size Owned
All3,4552.2350
Non Family1,3251.0241.9
Married1,0033.0379.8
Female8822.9632.3
Male2452.9235.5

2.91

Average Family Size

2.23

Average Household Size

3.3%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Union Education

Education Attained Count Percentage
Less Than 9th Grade2264.29%
9th to 12th Grade76414.51%
High School Graduate1,88135.73%
Some College1,09820.86%
Associates Degree4127.83%
Bachelors Degree57810.98%
Graduate Degree3055.79%

Union Educational Attainment by Race

Name Total High School Bachelors
White2,8022,402711
Black2,3531,802134
Multiple Races655438
Hispanic4921
Other Race4416

The highest rate of high school graduation is among white people with a rate of 85.72%.

The highest rate of bachelors degrees is among multiple races people with a rate of 58.46%.

Name Average Male Female
Overall$23,053$31,934$18,974
Less Than High School$16,835$22,734$16,060
High School Grad$20,500$31,176$11,978
Some College$21,849$29,600$20,302
Bachelors Degree$42,202$48,676$41,250
Graduate Degree$52,083$59,500$

$23,053

Average Earnings

$31,934

Average Male

$18,974

Average Female

Union Language

Union Language by Age

Union Language

99.00% of Union residents speak only English, while 1.00% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.00% of the population.

Union Poverty

Union Poverty by Race

Name Total In Poverty Poverty Rate
Black3,7801,76746.75%
White3,71291524.65%
Hispanic20114069.65%
Multiple20011859.00%

36.04%

Overall Poverty Rate

31.35%

Male Poverty Rate

40.13%

Female Poverty Rate

Poverty in Union

The race most likely to be in poverty in Union is Hispanic, with 69.65% below the poverty level.

The race least likely to be in poverty in Union is White, with 24.65% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 12.13%. Among those working part-time, it was 41.87%, and for those that did not work, the poverty rate was 33.28%.

Name Poverty
Less Than High School37.17%
Some College29.89%
High School28.70%
Bachelors or Greater1.70%
Name Poverty
Female Unemployed78.70%
Male Unemployed43.75%
Female Employed20.68%
Male Employed19.29%

Union Income

Union Income by Household Type

Name Median Mean
Households$27,180$42,989
Families$39,268$51,632
Married Families$56,366-
Non Families$16,596$27,451

Union Marital Status

Union Marital Status

Marriage Rates

34.6%

Overall Marriage Rate

39.0%

Male Marriage Rate

31.2%

Female Marriage Rate

Union Married by Age and Sex

Union 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.

Union Marital Status by Race

Union Veterans

411

Number of Veterans

346

Male Veterans

65

Female Veterans

War Veterans
First Gulf War117
Vietnam106
Second Gulf War104
World War II33
Korea18

$Union Veterans by Education

5.94%

Veteran Poverty Rate

27.23%

Veteran Disability Rate

Union Employment Status

54%

Labor Force Participation

47.5%

Employment Rate

11.4%

Unemployment Rate

Union Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

83.93%

Born in South Carolina

98.93%

Native Born

1.07%

Foreign Born

0.70%

Non Citizen

Place of Birth

98.93% of Union residents were born in the United States, with 83.93% having been born in South Carolina. 0.70% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
20207,630-67-0.87%
20197,697-67-0.86%
20187,764-51-0.65%
20177,815-67-0.85%
20167,882-35-0.44%
20157,917-80-1.00%
20147,997-47-0.58%
20138,044-39-0.48%
20128,083-180-2.18%
20118,263-88-1.05%
20108,351-442-0.51%
20008,793-1,043-1.11%
19909,836-687-0.67%
198010,523-252-0.24%
197010,7755840.56%
196010,1914610.46%
19509,7301,2521.39%
19408,4781,0591.34%
19307,4191,2781.91%
19206,1415180.89%
19105,6232230.41%
19005,4000.00%