Millbrook Colony Flag

Millbrook Colony

County:
Davison County
County Seat:
No
Area (mi²):
0.234
State:
South Dakota

Millbrook Colony is a CDP located in Davison County, South Dakota. Millbrook Colony has a 2026 population of 66. Millbrook Colony is currently growing at a rate of 6.45% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median age in Millbrook Colony is 67.2 years: 4.4 years for males, and 67.5 years for females. For every 100 females there are 42.4 males.

66
Total Population
282
Density (mi²)
4 6.45%
Growth

Millbrook Colony Population

Millbrook Colony Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20266646.45%
20256246.9%

Median Age

Overall: 67.2 years
Female: 67.5 years
Male: 4.4 years

Millbrook Colony Adults

There are 34 adults, (27 of whom are seniors) in Millbrook Colony.

Sex Ratio

Female: 33 (70.2%)
Male: 14 (29.8%)

Demographics

The racial composition of Millbrook Colony includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White47100%
Race
Population ↓
Percentage (of total)
White47100%

Millbrook Colony Marital Status

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)