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CITY

Oldham

South Dakota · 121 residents (2025 est.) · 0.246 sq mi
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The short version

Oldham has notably lower household income than the US average, with a median household income of $33,750. Population has fallen 64% since 2000, a loss of 131 residents. With a median age of 59.8, the population is older than the US median of 38.9. Households here earn about 55% less than the South Dakota median.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 59.8
US median: 38.9
Less educated
27% hold a bachelor's degree
US average: 36%
Owner-heavy
92% owner-occupied
US average: 65%
Section 01

Population & growth

Total population
75
−64%since 2000
from 206 in 2000
1990 – 2025
Population density
305 / sq mi
−64%since 2000
from 837 / sq mi in 2000
US average: 281
Median age
59.8
+36%since 2000
from 44.1 in 2000
US average: 38.9

PEP 2025 EST:121 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
601061531992461990201020202024Oldham
202475
1990201020202024
Section 02

Income & economy

Median household income
$33,750
−14%inflation adjusted, since 2000
from $21,458 in 2000
US average: $82,259
1990 – 2024
Per capita income
$33,264
+184%since 2000
from $11,694 in 2000
US average: $44,673
Households earning $100K+
18.8%
+13.1 ptssince 2009
from 5.6% in 2009
US average: 53.3%
Poverty rate
17.3%
−3.0 ptssince 2000
from 20.3% in 2000
US average: 12.5%
Income inequality (Gini)
0.483
+9%since 2010
from 0.443 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade20%
US avg: 9.9%
Finance & insurance12%
US avg: 5.9%
Professional, scientific, technical12%
US avg: 5.1%
Information8%
US avg: 10.8%
Wholesale trade4%
US avg: 6.9%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
Transportation & warehousing0%
US avg: 2.2%
Education & health services0%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 1.9%
Other services0%
US avg: 6.7%
Public administration0%
US avg: 4.8%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Owner-occupied
91.7%
+23.5 ptssince 2000
from 68.1% in 2000
8.3% rent
Vacancy rate
30.4%
+10.9 ptssince 2009
from 19.5% in 2009
US average: 10.0%
Owner cost-burdened
6.8%
−14.8 ptssince 2009
from 21.6% in 2009
US average: 22.9%
Renter cost-burdened
0.0%
−25.0 ptssince 2009
from 25.0% in 2009
US average: 47.4%
RELATED:See current rent listings in Oldham on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic100%(206)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%
Diversity Score0%(0)
2024
White, non-Hispanic90.7%(68)
Black0%(0)
Hispanic / Latino6.7%(5)
Asian0%(0)
Other2.7%(2)
Diversity Score21.6%(16)
Diversity Score
22
from 0 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
27.1%
+12.5 ptssince 2000
from 14.7% in 2000
US average: 35.6%
High school or higher
98.3%
+6.9 ptssince 2000
from 91.4% in 2000
US average: 89.6%
Graduate degree
5.1%
+5.1 ptssince 2000
from 0.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
33.3 min
+121%since 2000
from 15.1 min in 2000
US average: 26.5
Drive alone to work
76.0%
+12.5 ptssince 2009
from 63.5% in 2009
US average: 68.9%
Carpooled to work
0.0%
−23.5 ptssince 2009
from 23.5% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
16.0%
+10.1 ptssince 2009
from 5.9% in 2009
US average: 15.0%
Walked to work
8.0%
+4.5 ptssince 2009
from 3.5% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
8.3%
−5.7 ptssince 2009
from 14.0% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
7.4%
+7.4 ptssince 2011
from 0.0% in 2011
US average: 5.2%
Labor force participation
43.5%
−22.6 ptssince 2011
from 66.2% in 2011
US average: 63.5%
Self-employed
32.0%
+11.3 ptssince 2009
from 20.7% in 2009
US average: 13.1%
Management & professional
40.0%
−2.5 ptssince 2009
from 42.5% in 2009
US average: 42.5%
Section 08

People & community

Male
46.7%
−4.2 ptssince 2009
from 50.9% in 2009
Female
53.3%
+4.2 ptssince 2009
from 49.1% in 2009
Foreign born
2.7%
+1.4 ptssince 2009
from 1.3% in 2009
US average: 14.1%
Veterans
21.0%
−31.3 ptssince 2009
from 52.3% in 2009
US average: 6.2%
With a disability
21.3%
+1.1 ptssince 2012
from 20.2% in 2012
US average: 13.3%
Uninsured
0.0%
−78.8 ptssince 2013
from 78.8% in 2013
US average: 8.4%
Broadband at home
87.5%
+22.2 ptssince 2017
from 65.3% in 2017
US average: 91.0%
English only at home
97.3%
−2.7 ptssince 2016
from 100.0% in 2016
US average: 77.7%
Spanish at home
2.7%
+2.7 ptssince 2016
from 0.0% in 2016
US average: 13.6%
Drill deeper

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Frequently asked

How many people live in Oldham, South Dakota?

Oldham, South Dakota has about 75 residents according to the 2024 American Community Survey.

What is the median household income in Oldham, South Dakota?

The typical household in Oldham, South Dakota earns about $33,750 a year. Half of households make more than that, and half make less.

How educated are people in Oldham, South Dakota?

About 27.1% of adults age 25 and over in Oldham, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Oldham, South Dakota?

About 17.3% of people in Oldham, South Dakota live below the federal poverty line.

Has Oldham, South Dakota grown since 1990?

Yes, Oldham, South Dakota has shrunk since 1990. The population has lost about 132 residents, a change of about -64 percent over that period.

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

How we source and harmonize this data →

Oldham, South Dakota: demographics, income & housing data · CensusEasy