Clay County, South Dakota Population 2018

Clay County, South Dakota's estimated population is 13,990 with a growth rate of -0.28% in the past year according to the most recent United States census data. Clay County, South Dakota is the 15th largest county in South Dakota.

Year Population Growth Growth Rate
201713,990-39-0.28%
201614,029910.65%
201613,9381481.07%
201513,790-111-0.80%
201413,901-13-0.09%
201313,914-133-0.95%
201214,047600.43%
201113,9871571.14%
201013,8306444.88%
199013,186-503-3.67%
198013,6897665.93%
197012,9232,11319.55%
196010,810-183-1.66%
195010,9931,40114.61%
19409,592-496-4.92%
193010,0884344.50%
19209,65494310.83%
19108,711-605-6.49%
19009,3161,80724.06%
18907,5092,50850.15%
18805,0012,38090.81%
18702,6210.00%

Clay County, South Dakota Population Growth

Population Data via

Population by Race

Race Population
White12,676
American Indian and Alaska Native421
Two or More Races382
Asian282
Black or African American214
Some Other Race54

Race Data via US Census (2016 ACS 5-Year Survey)

Clay County, South Dakota Population Pyramid 2018

0%5%10%15%20% Male Population0%5%10%15%20% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Clay County, South Dakota Median Age

24.9


Total

25.2


Male

24.5


Female

Clay County, South Dakota Adults

There are 11,658 adults, (1,529 of which are seniors) in Clay County, South Dakota.

Clay County, South Dakota Age Dependency

38.5

Age Dependency Ratio

15.1

Old Age Dependency Ratio

23.4

Child Dependency Ratio

Clay County, South Dakota Sex Ratio

Female

7,028

50.10%

Male

7,001

49.90%

Clay County, South Dakota Households and Families

Clay County, South Dakota Renter vs Owner Occupied by Household Type

Clay County, South Dakota Household Types

Type Owner Renter
Married80.8%19.2%
All51.6%48.4%
Non Family34.2%65.8%
Female33%67%
Male20.8%79.2%

51.6%

Rate of Home Ownership

Clay County, South Dakota Households by Type

Type Count Average Size Owned
All5,3172.2151.6
Non Family2,7561.5834.2
Married2,0322.9880.8
Female3852.7633
Male1442.0420.8

2.86

Average Family Size

2.21

Average Household Size

7.1%

Unmarried (Opposite Sex)

0.6%

Unmarried (Same Sex)

Clay County, South Dakota Households

Clay County, South Dakota Education

Clay County, South Dakota Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade1512.17%
9th to 12th Grade2093.00%
High School Graduate1,65823.78%
Some College1,19117.08%
Associates Degree4296.15%
Bachelors Degree1,82226.13%
Graduate Degree1,51321.70%

Clay County, South Dakota Educational Attainment by Race

Name Total High School Bachelors
White6,3296,0193,080
Native American23121414
Asian175165144
Black937150
Multiple Races767528
Hispanic696919

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

The highest rate of bachelors degrees is among hispanic people with a rate of 82.29%.

Clay County, South Dakota Earnings by Educational Attainment

Name Average Male Female
Overall$28,471$37,670$22,099
Less Than High School$22,396$30,455$21,667
High School Grad$21,101$20,976$21,201
Some College$26,266$32,165$17,375
Bachelors Degree$31,460$37,577$23,125
Graduate Degree$45,769$57,969$32,143

$28,471

Average Earnings

$37,670

Average Male

$22,099

Average Female

Clay County, South Dakota Language

Clay County, South Dakota Language by Age

Clay County, South Dakota Language

94.08% of Clay County, South Dakota residents speak only English, while 5.92% speak other languages. The largest non-English language is OtherIndoEuro, which is spoken by 1.98% of the population.

Clay County, South Dakota Poverty

Clay County, South Dakota Poverty by Race

Name Total In Poverty Poverty Rate
White10,5152,69025.58%
Native36116244.88%
Hispanic28610536.71%
Black1709958.24%
Asian2459438.37%
Multiple2747326.64%

27.32%

Overall Poverty Rate

26.51%

Male Poverty Rate

28.19%

Female Poverty Rate

Poverty in Clay County, South Dakota

The race most likely to be in poverty in Clay County, South Dakota is Black, with 58.24% below the poverty level.

The race least likely to be in poverty in Clay County, South Dakota is White, with 25.58% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.07%. Among those working part-time, it was 47.64%, and for those that did not work, the poverty rate was 28.44%.

Clay County, South Dakota Poverty Rate by Education

Name Poverty
Less Than High School23.26%
Some College16.81%
High School13.42%
Bachelors or Greater9.85%

Clay County, South Dakota Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed90.24%
Male Unemployed78.71%
Female Employed28.48%
Male Employed20.16%

Clay County, South Dakota Income

Clay County, South Dakota Income by Household Type

Name Median Mean
Households$38,399$59,251
Families$59,621$85,649
Married Families$78,750$
Non Families$22,533$34,277

Clay County, South Dakota Marital Status

Clay County, South Dakota Marital Status

Marriage Rates

36.0%

Overall Marriage Rate

35.9%

Male Marriage Rate

36.2%

Female Marriage Rate

Clay County, South Dakota Married by Age and Sex

Clay County, South Dakota Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 45To54.

Clay County, South Dakota Marital Status by Race

Clay County, South Dakota Veterans

Clay County, South Dakota Veterans by War

765

Number of Veterans

677

Male Veterans

88

Female Veterans

Name Veterans
Vietnam244
First Gulf War222
Second Gulf War140
Korea66
World War II51

Clay County, South Dakota Veterans by Age

Name Veterans
65 to 74231
35 to 54180
75+149
55 to 64138
18 to 3467

Clay County, South Dakota Veterans by Race

Name Veterans % of Total
White6976.54%
Indian5017.54%
Hispanic4012.31%
2 or More189.63%

Clay County, South Dakota Veterans by Education

3.83%

Veteran Poverty Rate

26.78%

Veteran Disability Rate

Clay County, South Dakota Employment Status

Clay County, South Dakota Employment by Age

68.5%

Labor Force Participation

64.1%

Employment Rate

6.2%

Unemployment Rate

Clay County, South Dakota Employment by Race

Clay County, South Dakota Employment by Education

Population of Cities in Clay County, South Dakota

City 2010 Census 2016 Estimated Growth Growth Rate
Vermillion10578108442662.51%
Irene 42042110.24%
Wakonda323316-7-2.17%
Data Sources
  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