Chamberlain Population

2010–2026

2,451

2026 projection

0.9% since 2020 (decrease)

05001K1.5K2K2.5K201020122014201620182020202220242026

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 Chamberlain. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20262,451-20.08%
20252,453-170.69%
20242,470-210.84%
20232,491-80.32%
20222,499+311.26%
20212,468-50.20%
20202,473+271.10%
20192,446+230.95%
20182,423-331.34%
20172,456+622.59%

Showing 10 of 17 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

Chamberlain has a population change lower than Brule County, South Dakota, and the U.S.

  • South Dakota+5.3%
  • United States+3.1%
  • Brule County+0.5%
  • Chamberlain−0.9%

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.

Chamberlain Demographics

43median age

Median age

Female44.9 yrs
Male39.1 yrs

Adults

1,989
614 seniors (65+) · 31% of adults1,375 other adults

Sex

Female 50% · 1,293Male 50% · 1,295

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 26 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

Chamberlain Income

$76,761median household income

Median household income

$76,761

Half of households earn more, half earn less

Median earnings

$51,680

Typical yearly pay for a worker 25 or older.

Poverty rate

12.1%

About 1 in 8 residents

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

Chamberlain Marital Status

41% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married41%47%36%
Never married37%38%37%
Divorced12%11%14%
Widowed8%3%13%
Separated2%2%1%

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