Yankton County, SD demographics:
population, income, and more

Total population
23,414
0.1% year-over-year change
Median household income
$72,821/yr
-1.4% year-over-year change
Housing units
10,616
1.1% year-over-year change

Yankton County population

How many people live in Yankton County

Yankton County is home to 23,414 residents, according to the most recent Census data. Gender-wise, 52% of Yankton County locals are male, and 48% are female.

Total population
23,414
0.1% year-over-year change
Gender ratio
Male
52%
12,175
Female
48%
11,239
Value Percent YoY change
Male 12,175 52% -0.1%
Female 11,239 48% 0.4%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Yankton County is 42, with the population distributed as follows: about 17.5% are children under 15, then 12.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 22.7% of the population, while another 25.8% fall into the 45 to 64 bracket. Finally, around 21.4% are 65 or older.

Median age
42.5
Age breakdown
Under 15
17.5%
15 to 24
12.7%
25 to 44
22.7%
45 to 64
25.8%
Over 65
21.4%
Value Percent YoY change
Under 15 4,091 17.5% -0.2%
15 to 24 2,964 12.7% 1.0%
25 to 44 5,323 22.7% -3.0%
45 to 64 6,031 25.8% -0.5%
Over 65 5,005 21.4% 4.3%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Yankton County, 96.7% of the population are US-born citizens, while 1.1% have gained naturalized citizenship. At the same time, 2.2% of residents are non-citizens. As for race, 87.8% of locals are Caucasian, 1.6% are African American and 0.3% have Asian roots. There’s also a share of 6.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
96.7%
Non-U.S.-born citizens
1.1%
Non-citizens
2.2%
Value Percent YoY change
U.S.-born citizens 22,641 96.7% 0.4%
Non-U.S.-born citizens 266 1.1% -5.7%
Non-citizens 507 2.2% -6.5%
Racial breakdown
White
87.8%
Black or African American
1.6%
American Indian and Alaska Native
2.8%
Asian
0.3%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.2%
Other
1.2%
Value Percent
White 20,564 87.8%
Black or African American 385 1.6%
American Indian and Alaska Native 643 2.8%
Asian 75 0.3%
Two or more races 1,464 6.2%
Other 283 1.2%

Households in Yankton County

A peek inside Yankton County households

Yankton County has 9,695 households, with an average of 2 members in each. Of these, 56.5% are families, while the remaining 43.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
9,695
-1.0% year-over-year change
Average people per household
2
Non-family households
4,215
Family households
5,480
Value Percent YoY change
Non-family households 4,215 43.5% -0.8%
Family households 5,480 56.5% -1.1%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Yankton County

The housing landscape of Yankton County

Yankton County's housing consists of 10,616 units, with 70.1% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 5.2% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 4.6% of the housing landscape.

Housing units
10,616
1.1% year-over-year change
Housing types
Value Percent
1 unit, detached 7,440 70.1%
1 unit, attached 549 5.2%
2 units 251 2.4%
3 or 4 units 308 2.9%
5 to 9 units 153 1.4%
10 to 19 units 472 4.4%
20 to 49 units 638 6%
50 or more units 307 2.9%
Mobile home 490 4.6%
Boat, RV, van, etc. 8 0.1%
Homes built since 2020
61
190.5% year-over-year change

The age of buildings in Yankton County

In Yankton County, the median construction year is 1977. About 14.4% of homes were built before the 1940s, with another 4.2% going up by 1949. Most development happened in the second half of the 20th century. Then, 11.1% of homes were added from 2000 to 2009, 10.3% between 2010 and 2019, and 0.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 1,524 14.4% -4.0%
Built between 1940 and 1949 441 4.2% 4.0%
Built between 1950 and 1959 1,101 10.4% -1.4%
Built between 1960 and 1969 972 9.2% -5.5%
Built between 1970 and 1979 1,784 16.8% -4.8%
Built between 1980 and 1989 884 8.3% -6.5%
Built between 1990 and 1999 1,575 14.8% 9.0%
Built between 2000 and 2009 1,181 11.1% 13.1%
Built between 2010 and 2019 1,093 10.3% 8.1%
Built in 2020 or later 61 0.6% 190.5%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Yankton County occupancy rates

Out of the 9,695 occupied housing units in Yankton County, 72.7% are owner-occupied, while 27.3% are lived in by tenants. Meanwhile, 8.7% of all homes on the local market sit vacant.

Occupied housing units
9,695
-1.0% year-over-year change
Occupancy breakdown
Renter occupied
2,649
Owner occupied
7,046
Value Percent YoY
change
Renter occupied 2,649 27.3% -2.5%
Owner occupied 7,046 72.7% -0.4%
Unoccupied housing units
8.7%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Yankton County housing costs

Housing costs in Yankton County come to a median of $927 per month, while tenants specifically pay a median gross rent of $781.

Median housing costs per month
$927/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Yankton County
$781/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Yankton County

Yankton County education at a glance

About 38.5% of the population in Yankton County went to high school, while 19.3% pursued college studies. Another 11.4% earned an associate degree and 18.8% hold a bachelor’s. Meanwhile, 10.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 321 1.7% -23.8%
High school diploma 7,094 38.5% -1.0%
College diploma 3,551 19.3% -7.4%
Associate degree 2,106 11.4% -3.1%
Bachelor's degree 3,462 18.8% 12.9%
Graduate degree 1,906 10.3% 12.2%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Yankton County

How much people earn in Yankton County

The average annual household income in Yankton County was $95,237 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.3% change from the previous year. At the same time, the median income stood at $72,821, reflecting a -1.4% shift over the same period.

Average household income in Yankton County
$95,237/year
1.3% year-over-year change
Median household income in Yankton County
$72,821/year
-1.4% year-over-year change

Yankton County income by age

In Yankton County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $82,744. Those with someone between 45 and 64 in charge, often well established professionally, earn $89,716 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $42,989, while those led by someone over 65, many of whom may be retired, have about $58,149 in earnings. Overall, 88% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $42,989 -9.9%
25 - 44 $82,744 10.9%
45 - 64 $89,716 -5.6%
Over 65 $58,149 11.7%
Above poverty level
19,048
Below poverty level
2,600
Value Percent YoY
change
Above poverty level 19,048 88% -2.6%
Below poverty level 2,600 12% 27.6%

Employment in Yankton County

Workforce and job types in Yankton County

The job market in Yankton County is powered by 11,670 working residents, spread across a range of industries and roles. 71.9% of the working population are employed in professional or administrative positions, while 28.1% are in hands-on or service-based jobs. Also, 11.1% run their own businesses, 59.8% are employed by private companies, and 16.1% work in the public sector.

Workforce demographics

Working population
11,670
0.0% year-over-year change
White collar
8,395
Blue collar
3,275
Value Percent YoY change
White collar 8,395 71.9% 0.0%
Blue collar 3,275 28.1% -0.0%
Employer type
Self employees
11.1%
Private companies
59.8%
Governmental workers
16.1%
Not for profit companies
13%
Value Percent YoY change
Self employees 1,297 11.1% 9.6%
Private companies 6,977 59.8% -2.9%
Governmental workers 1,878 16.1% 3.2%
Not for profit companies 1,518 13% 2.4%
Unemployment rate
1.4%
-14.7% year-over-year change

Available workforce

The unemployment rate in Yankton County stands at 1.4%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Yankton County

How people get around in Yankton County

Commuting methods vary: 87.8% of residents travel by personal vehicle and 3.3% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 10,004 87.8% -1.7%
Bus or trolleybus 83 0.7% 36.1%
Subway or elevated 116 1% N/A
Bicycle 31 0.3% 93.8%
Walk 377 3.3% 2.7%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Yankton County by zipcode?

Zipcode Population Number of households Median income Average income
57078 20,383 8,406 $71,268 $96,054
57031 784 394 $64,794 $84,195
57037 925 360 $72,250 $83,035
57040 222 120 $72,250 $87,865
57045 1,151 433 $76,042 $91,613
57046 521 245 $88,583 $78,540
57063 882 392 $92,500 $117,788
57067 348 104 $102,941 $112,541
57070 1,469 590 $61,522 $77,260
57072 435 189 $91,750 $88,924

Find your place

Explore more communities

FAQs about Yankton County demographics 

What is the total population of Yankton County?

Yankton County has a total population of 23,414 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.1% compared to a year ago.

What is the gender ratio in Yankton County?

The gender ratio in Yankton County is as follows:
  • 52% males (12,175 residents)
  • 48% females (11,239 residents)

What is the median age in Yankton County?

The median age in Yankton County is 42.5.

What is the age distribution of the population in Yankton County?

The age distribution in Yankton County is as follows:
  • Under 15: 17.5% (4,091 residents)
  • Ages 15-24: 12.7% (2,964 residents)
  • Ages 25-44: 22.7% (5,323 residents)
  • Ages 45-64: 25.8% (6,031 residents)
  • Over 65: 21.4% (5,005 residents)

What is the racial and ethnic makeup of Yankton County?

The racial and ethnic makeup of Yankton County is as follows:
  • White: 87.8% (20,564 residents)
  • Black or African American: 1.6% (385 residents)
  • American Indian and Alaska Native: 2.8% (643 residents)
  • Asian: 0.3% (75 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 6.2% (1,464 residents)
  • Other: 1.2% (283 residents)

What percentage of the population in Yankton County are U.S.-born citizens?

U.S.-born citizens represent 96.7% of the population in Yankton County.

How many housing units are there in Yankton County?

There are 10,616 housing units in Yankton County, reflecting a +1.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Yankton County and what is the average household size?

Yankton County has a total of 9,695 households, with an average of 2 people in each.

What is the median household income in Yankton County?

Yankton County has a median household income of $72,821, representing a -1.4% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Yankton County?

The employment rate is 98.6% in Yankton County, with a workforce of 11,670 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 71.9% (8,395 residents)
  • Blue-collar workers: 28.1% (3,275 residents)

Places of employment:
  • Self-employed: 11.1% (1,297 residents)
  • Private companies: 59.8% (6,977 residents)
  • Governmental workers: 16.1% (1,878 residents)
  • Not-for-profit companies: 13% (1,518 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025