Wahpeton Population

1880–2026

8,171

2026 projection

2% since 2020 (increase)

02K4K6K8K10K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal 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 Wahpeton. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20268,171+300.37%
20258,141+70.09%
20248,134+991.23%
20238,035+330.41%
20228,002+260.33%
20217,976-310.39%
20208,007+290.36%
20197,978-430.54%
20188,021-320.40%
20178,053+570.71%

Showing 10 of 30 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Wahpeton is growing faster than Richland County, and slower than North Dakota and the U.S.

  • United States+3.1%
  • North Dakota+2.5%
  • Wahpeton+1.6%
  • Richland County+1.2%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Wahpeton Demographics

34.7median age

Median age

Female35.7 yrs
Male33 yrs

Adults

6,852
1,557 seniors (65+) · 23% of adults5,295 other adults

Sex

Female 48.8% · 3,911Male 51.2% · 4,099

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 80 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

Wahpeton Income

$62,750median household income

Median household income

$62,750

Half of households earn more, half earn less

Median earnings

$41,990

Typical yearly pay for a worker 25 or older.

Poverty rate

15.6%

About 1 in 6 residents

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

Wahpeton Marital Status

35% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married35%32%39%
Never married45%51%38%
Divorced12%15%9%
Widowed7%1%12%
Separated1%2%1%

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