Yankton County, South Dakota Population 2020

Yankton County, South Dakota's estimated population is 22,699 with a growth rate of 0.19% in the past year according to the most recent United States census data. Yankton County, South Dakota is the 9th largest county in South Dakota.

Year Population Growth Growth Rate
201822,8691700.75%
201722,699420.19%
201622,657-27-0.12%
201522,68490.04%
201422,675350.15%
201322,640590.26%
201222,581840.37%
201122,497620.28%
201022,4353,18316.53%
199019,2523001.58%
198018,952-87-0.46%
197019,0391,4888.48%
196017,5517474.45%
195016,804790.47%
194016,7251360.82%
193016,5891,3568.90%
192015,2332,09815.97%
191013,1354863.84%
190012,6492,20521.11%
189010,4442,05424.48%
18808,3906,293300.10%
18702,0970.00%

How Many People Live in Yankton County, South Dakota?

22,699

Yankton County, South Dakota Population Growth

Population by Race

Race Population Percentage
White20,91992.09%
American Indian and Alaska Native6933.05%
Two or More Races5312.34%
Black or African American3601.58%
Some Other Race1490.66%
Asian500.22%
Native Hawaiian and Other Pacific Islander150.07%

Yankton County, South Dakota Population Pyramid 2020

Yankton County, South Dakota Median Age

41.8


Total

40.5


Male

43.7


Female

Yankton County, South Dakota Adults

There are 17,884 adults, (4,078 of whom are seniors) in Yankton County, South Dakota.

Yankton County, South Dakota Age Dependency

64.5

Age Dependency Ratio

29.5

Old Age Dependency Ratio

35

Child Dependency Ratio

Yankton County, South Dakota Sex Ratio

Female

11,012

48.47%

Male

11,705

51.53%

Yankton County, South Dakota Households and Families

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

Yankton County, South Dakota Household Types

Type Owner Renter
Married86.5%13.5%
All65.2%34.8%
Male52.6%47.4%
Non Family44%56%
Female38.5%61.5%

65.2%

Rate of Home Ownership

Type Count Average Size Owned
All9,3592.2465.2
Married4,7072.7986.5
Non Family3,4321.2244
Female8322.6838.5
Male3883.5252.6

2.78

Average Family Size

2.24

Average Household Size

5.9%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Yankton County, South Dakota Education

Education Attained Count Percentage
Less Than 9th Grade4352.75%
9th to 12th Grade1,0006.31%
High School Graduate5,22833.01%
Some College3,20920.26%
Associates Degree1,4989.46%
Bachelors Degree2,82017.81%
Graduate Degree1,64710.40%

Yankton County, South Dakota Educational Attainment by Race

Name Total High School Bachelors
White14,39213,2484,255
Hispanic546436158
Native American33021216
Black29726422
Multiple Races26924921
Other Race125605
Asian48315
Islander1515

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 white people with a rate of 29.57%.

Name Average Male Female
Overall$33,314$37,705$29,653
Less Than High School$26,550$30,000$25,270
High School Grad$28,164$32,583$25,679
Some College$30,741$35,135$26,017
Bachelors Degree$44,729$55,750$40,810
Graduate Degree$54,778$68,750$53,574

$33,314

Average Earnings

$37,705

Average Male

$29,653

Average Female

Yankton County, South Dakota Language

Yankton County, South Dakota Language by Age

Yankton County, South Dakota Language

94.79% of Yankton County, South Dakota residents speak only English, while 5.21% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.73% of the population.

Yankton County, South Dakota Poverty

Yankton County, South Dakota Poverty by Race

Name Total In Poverty Poverty Rate
White19,3131,8449.55%
Native58040469.66%
Hispanic72918925.93%
Multiple46015734.13%
Black1817843.09%
Other956770.53%
Asian381026.32%

12.59%

Overall Poverty Rate

10.53%

Male Poverty Rate

14.62%

Female Poverty Rate

Poverty in Yankton County, South Dakota

The race most likely to be in poverty in Yankton County, South Dakota is Other, with 70.53% below the poverty level.

The race least likely to be in poverty in Yankton County, South Dakota is White, with 9.55% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.25%. Among those working part-time, it was 20.50%, and for those that did not work, the poverty rate was 21.00%.

Name Poverty
Less Than High School29.50%
High School11.38%
Some College6.59%
Bachelors or Greater5.17%

Yankton County, South Dakota Income

Yankton County, South Dakota Income by Household Type

Name Median Mean
Households$54,694$75,993
Families$68,841$89,552
Married Families$78,966-
Non Families$33,807$50,647

Yankton County, South Dakota Marital Status

Yankton County, South Dakota Marital Status

Marriage Rates

52.7%

Overall Marriage Rate

51.0%

Male Marriage Rate

54.7%

Female Marriage Rate

Yankton County, South Dakota Married by Age and Sex

Yankton County, South Dakota 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 35-44.

Yankton County, South Dakota Marital Status by Race

Yankton County, South Dakota Veterans

1,813

Number of Veterans

1,669

Male Veterans

144

Female Veterans

War Veterans
Vietnam736
First Gulf War312
Korea229
Second Gulf War213
World War II83
Name Veterans % of Total
White1,68610.21%
2 or More8225.15%
Indian346.64%
Black113.45%
Hispanic71.16%

$Yankton County, South Dakota Veterans by Education

7.97%

Veteran Poverty Rate

37.91%

Veteran Disability Rate

Yankton County, South Dakota Employment Status

64%

Labor Force Participation

61.9%

Employment Rate

3.1%

Unemployment Rate

Yankton County, South Dakota 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

66.60%

Born in South Dakota

98.37%

Native Born

1.63%

Foreign Born

0.73%

Non Citizen

Place of Birth

98.37% of Yankton County, South Dakota residents were born in the United States, with 66.60% having been born in South Dakota. 0.73% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

  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