Yankton Population

1880–2026

15,887

2026 projection

3% since 2020 (increase)

05K10K15K20K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Yankton. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202615,887+710.45%
202515,816+1060.67%
202415,710+990.63%
202315,611+610.39%
202215,550+670.43%
202115,483+580.38%
202015,425+7254.93%
201914,700+410.28%
201814,659+1240.85%
201714,535-150.10%

Showing 10 of 30 years.

Yankton Demographics

41.4median age

Median age

Female42.4 yrs
Male40.3 yrs

Adults

12,253
3,426 seniors · 28%8,827 other adults

Sex

Female 49.9% · 7,760Male 50.1% · 7,780

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 155 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Yankton Income

$67,804median household income

Median household income

$67,804

Half of households earn more, half earn less

Median earnings

$46,895

Typical yearly pay for a worker 25 or older.

Poverty rate

14.1%

About 1 in 7 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Yankton Marital Status

42% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married42%44%40%
Never married37%41%33%
Divorced12%12%12%
Widowed8%2%14%
Separated1%1%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201