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CITY

Millbrook Colony

South Dakota · 47 residents · 0.23 sq mi
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The short version

Millbrook Colony is a city of 47 people in South Dakota. The median age is 67.2, about 28 years above the US median. 0% of adults hold a bachelor's degree, below the 36% national rate. The poverty rate is 57.4%, above the 12.5% national rate. Owners hold 50% of the housing stock. People stay put here: 100% were in the same home a year ago.

At a glance
Older
median age 67.2
US median: 38.9
Less educated
0% hold a bachelor's degree
US average: 36%
Renter-heavy
50% owner-occupied
US average: 65%
Section 01

Population & growth

47
−13%since 2023
from 54 in 2023
2020 – 2024
201 / sq mi
−13%since 2023
from 231 / sq mi in 2023
US average: 281
67.2
Unchangedsince 2023
from 67.3 in 2023
US average: 38.9
Land area
0.23 sq mi
Population, 20202024
027548010720202024Millbrook Colony
202447
20202024
Age distribution, 2024
Under 521.3%(10)
US avg: 5.6%
5 to 96.4%(3)
US avg: 6%
10 to 140%(0)
US avg: 6.4%
15 to 190%(0)
US avg: 6.6%
20 to 240%(0)
US avg: 6.5%
25 to 340%(0)
US avg: 13.7%
35 to 4414.9%(7)
US avg: 13.2%
45 to 540%(0)
US avg: 12.2%
55 to 640%(0)
US avg: 12.7%
65 to 7448.9%(23)
US avg: 10.2%
75 to 840%(0)
US avg: 5.1%
85 and over8.5%(4)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$10,794
+22%since 2023
from $8,859 in 2023
US average: $44,673
Households earning $100K+
50.0%
Unchangedsince 2023
from 50.0% in 2023
US average: 53.3%
57.4%
−11.1 ptssince 2023
from 68.5% in 2023
US average: 12.5%
0.423
Unchangedsince 2023
from 0.423 in 2023
US average: 0.476
Section 03

Housing

50.0%
Unchangedsince 2023
from 50.0% in 2023
50.0% rent
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 10.0%
5.88 people
−35%since 2023
from 9.00 people in 2023
US average: 2.54
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 22.9%
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 47.4%
Section 04

Race & ethnicity

2023
White, non-Hispanic100%(54)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%(0)
2024
White, non-Hispanic100%(47)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%(0)
0
from 0 in 2023
2021 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins

Detailed origins & ancestry

Ancestry
German91.5%(43)
Australian8.5%(4)
Section 05

Education

0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 35.6%
High school or higher
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 89.6%
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 14.0%
Section 07

Work & employment

0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 63.5%
Women 20-64 in the labor force
0.0%
US average: 74.6%
Section 08

People & community

29.8%
+9.4 ptssince 2023
from 20.4% in 2023
70.2%
−9.4 ptssince 2023
from 79.6% in 2023
8.5%
+3.0 ptssince 2023
from 5.6% in 2023
US average: 14.1%
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 6.2%
8.5%
+2.9 ptssince 2023
from 5.6% in 2023
US average: 13.3%
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 8.4%
100.0%
Unchangedsince 2023
from 100.0% in 2023
US average: 91.0%
Computer in household
100.0%
US average: 95.5%
100.0%
US average: 87.7%
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 77.7%
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 13.6%
Marital status
Men 15+
Never married0%(0)
Married100%(4)
Widowed0%(0)
Divorced0%(0)
Women 15+
Never married76.7%(23)
Married10%(3)
Widowed13.3%(4)
Divorced0%(0)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 8.4%
0.0%
US average: 54.8%
Direct-purchase
42.6%
US average: 13.8%
57.4%
US average: 18.4%
8.5%
US average: 20.9%
VA health care
0.0%
US average: 2.2%
Any private
42.6%
US average: 67.1%
Any public
57.4%
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

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Frequently asked

How many people live in Millbrook Colony, South Dakota?

Millbrook Colony, South Dakota has about 47 residents according to the 2024 American Community Survey.

How educated are people in Millbrook Colony, South Dakota?

About 0.0% of adults age 25 and over in Millbrook Colony, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Millbrook Colony, South Dakota?

About 57.4% of people in Millbrook Colony, South Dakota live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →