Yankton County, South Dakota Population 2024

23,622

Yankton County, South Dakota's estimated 2024 population is 23,622 with a growth rate of 0.45% 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. The 2010 population was 22,436 and has seen a growth of 5.29% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202924,1471050.44%
202824,0421050.44%
202723,9371050.44%
202623,8321050.44%
202523,7271050.44%
202423,6221050.45%
202323,5171050.45%
202223,412590.25%
202123,353670.29%
202023,2864491.97%
201922,837300.13%
201822,8071160.51%
201722,691380.17%
201622,653-49-0.22%
201522,70270.03%
201422,695410.18%
201322,654600.27%
201222,594870.39%
201122,507710.32%
201022,43600%
199019,2523001.58%
198018,952-87-0.46%
197019,0391,4888.48%
196017,5517474.45%
195016,804790.47%
194016,7251360.82%
193016,5891,3568.9%
192015,2332,09815.97%
191013,1354863.84%
190012,6492,20521.11%
189010,4442,05424.48%
18808,3906,293300.1%
18702,097-22,050-91.32%
2024 Growth Rate
0.45% (105)
County Website
Yankton County
2020 Population
23,286
Area
521 mi²
Density
45 people/mi²
Growth Since 2020
1.44% (336)
Founded
April 10, 1862

Population by Race

Race
Population
Percentage (of total)
White20,89189.62%
Two or more races1,3015.58%
Native American5992.57%
Black or African American2881.24%
Other race1750.75%
Asian570.24%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Native American

Black or African American

Other race

Asian

Native Hawaiian or Pacific Islander

Yankton County, South Dakota Population by Race

Yankton County, South Dakota Population Pyramid 2024

Yankton County, South Dakota Median Age

41.7

Total

39.7

Male

43.7

Female

Yankton County, South Dakota Adults

There are 18,353 adults, (4,641 of whom are seniors) in Yankton County, South Dakota.

Yankton County, South Dakota Age Dependency

70

Age Dependency Ratio

33.8

Old Age Dependency Ratio

36.2

Child Dependency Ratio

Yankton County, South Dakota Sex Ratio

Female11,17947.96%
Male12,13252.04%

Yankton County, South Dakota Population by Age

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

Household Type
Count
Average Size
Owner
Renter
All9,7892.1970.429.6
Married4,6642.8586.313.7
Non Family4,0401.1654.245.8
Female6863.2252.547.5
Male3993.1578.221.8

2.8

Average Family Size

2.19

Average Household Size

70.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Yankton County, South Dakota Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade7324.51%
Associates Degree1,94511.98%
Bachelors Degree2,82217.38%
Graduate Degree1,6089.9%
High School Graduate5,73335.31%
Less Than 9th Grade3922.41%
Some College3,00618.51%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Yankton County, South Dakota Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White14,63113,8024,246
2+ Races75659448
Hispanic628412103
Native American35332159
Black1691530
Other Race14011051
Asian57440

The highest rate of high school graduation is among white people with a rate of 94.33%.

The highest rate of bachelors degrees is among other race people with a rate of 36.43%.

Yankton County, South Dakota Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$55,192$70,128$51,486
Graduate Degree$68,275$78,471$57,393
High School Graduate$34,693$38,427$29,769
Less Than 9th Grade$35,441$40,417$29,286
Overall$45,301$48,937$40,926
Some College$44,159$51,181$34,632

$45,301

Average Earnings

$48,937

Average Male

$40,926

Average Female

Yankton County, South Dakota Earnings by Educational Attainment

Yankton County, South Dakota Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Yankton County, South Dakota Language

95.25% of Yankton County, South Dakota residents speak only English, while 4.75% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.96% of the population.

Yankton County, South Dakota Language

Yankton County, South Dakota Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White19,4321,3877.14%
Native45924252.72%
Hispanic1,071857.94%
Multiple1,180716.02%
Asian381334.21%
Other16821.19%

7.98%

Overall Poverty Rate

6.07%

Male Poverty Rate

9.94%

Female Poverty Rate

Poverty in Yankton County, South Dakota

The race most likely to be in poverty in Yankton County, South Dakota is Native, with 52.72% below the poverty level.

The race least likely to be in poverty in Yankton County, South Dakota is Other, with 1.19% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.51%. Among those working part-time, it was 15.34%, and for those that did not work, the poverty rate was 16.66%.

Yankton County, South Dakota Poverty

rate

Rate
Poverty
High School11.32%
Less Than 9th Grade9.08%
Bachelors or Greater5.52%
Some College4.06%

Yankton County, South Dakota Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed42.59%
Male Unemployed9.22%
Female Employed5.02%
Male Employed3.43%

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

Yankton County, South Dakota Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$90,804$112,620
Households$68,847$88,162
Married Families$98,320$-999,999,999
Non Families$40,539$49,135

mean

median

Income by Household Type

Yankton County, South Dakota Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

50.3%

Overall Marriage Rate

48.3%

Male Marriage Rate

52.5%

Female Marriage Rate

Yankton County, South Dakota Married by Age and Sex

male

female

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

Married

Widowed

Divorced

Separated

NeverMarried

Yankton County, South Dakota Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,325

Number of Veterans

1,274

Male Veterans

51

Female Veterans

War
Veterans
Vietnam506
Second Gulf War354
First Gulf War204
Korea97
World War II88

Yankton County, South Dakota Veterans by War

count

Age Group
Veterans
75+426
65 to 74355
35 to 54237
18 to 34156
55 to 64151

Yankton County, South Dakota Veterans by Age

count

Name
Veterans
% of Total
White1,2367.44%
2+ Races384.52%
Black3311.46%
Native American174.24%
Other Race10.71%

Yankton County, South Dakota Veterans by Race

Yankton County, South Dakota Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

2.11%

Veteran Poverty Rate

30.93%

Veteran Disability Rate

Yankton County, South Dakota Veterans by Education

LaborForceParticipation

63.8%

Labor Force Participation

62.7%

Employment Rate

1.6%

Unemployment Rate

Yankton County, South Dakota Employment by Age

LaborForceParticipation

Yankton County, South Dakota Employment by Race

LaborForceParticipation

Yankton County, South Dakota Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

62.38%

Born in Yankton County, South Dakota

97.38%

Native Born

2.62%

Foreign Born

2.11%

Non Citizen

0.51%

Naturalized

Place of Birth

97.38% of Yankton County, South Dakota residents were born in the United States, with 62.38% having been born in South Dakota. 2.11% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Yankton County, South Dakota Place of Birth

Sources