CensusEasy
CITY · 2020 ACS

Lake Madison

South Dakota · 829 residents · 4.721 sq mi
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The short version

Lake Madison is significantly wealthier than the US average, with a median household income of $97,961. Population has declined 7% since 2019. 54% of adults hold a bachelor's degree or higher, well above the national rate of 33%. Median home value is $396,300. With a median age of 58.5, the population is older than the US median of 38.8. Households here earn about 64% more than the South Dakota median.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 58.5
US median: 38.8
More educated
54% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

829
−7%since 2019
from 895 in 2019
2010 – 2024
176 / sq mi
−7%since 2019
from 190 / sq mi in 2019
US average: 280
58.5
Unchangedsince 2019
from 58.7 in 2019
US average: 38.8
Population, 20102024
488610733855977201020202024Lake Madison
2024936
201020202024
Section 02

Income & economy

$97,961
+3%inflation adjusted, since 2019
from $93,750 in 2019
US average: $66,278
2010 – 2024
$66,065
−9%since 2019
from $72,425 in 2019
US average: $35,364
Households earning $100K+
67.2%
+3.7 ptssince 2019
from 63.5% in 2019
US average: 43.9%
5.7%
+0.9 ptssince 2019
from 4.8% in 2019
US average: 12.8%
Workforce by industry, 2020
Other services15.9%
US avg: 6.6%
Public administration14.5%
US avg: 4.7%
Retail trade11%
US avg: 10%
Information9.5%
US avg: 11.1%
Wholesale trade9%
US avg: 6.7%
Finance & insurance6.9%
US avg: 5.5%
Agriculture, forestry, fishing6.4%
US avg: 1.7%
Construction6.4%
US avg: 1.2%
Education & health services3.8%
US avg: 0.8%
Professional, scientific, technical3.2%
US avg: 4.7%
Transportation & warehousing2%
US avg: 2.5%
Manufacturing0%
US avg: 0.5%
Arts, entertainment, food0%
US avg: 2%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

$396,300
+9%inflation adjusted, since 2019
from $360,400 in 2019
US average: $265,253
2010 – 2024
$665
−9%inflation adjusted, since 2019
from $719 in 2019
US average: $1,124
91.2%
+2.2 ptssince 2019
from 88.9% in 2019
8.8% rent
4.0
+5%since 2019
from 3.8 in 2019
2010 – 2024
RELATED:See current rent listings in Lake Madison on RentDataNow
Section 04

Race & ethnicity

2019
White, non-Hispanic95.2%(852)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other4.8%(43)
Diversity Score11.4%(102)
2020
White, non-Hispanic97.2%(806)
Black0%(0)
Hispanic / Latino0.2%(2)
Asian0%(0)
Other3.6%(30)
Diversity Score9.1%(76)
9
−20%since 2019
from 11 in 2019
2010 – 2024
Section 05

Education

53.6%
+6.0 ptssince 2019
from 47.6% in 2019
US average: 32.9%
High school or higher
98.7%
+3.5 ptssince 2019
from 95.2% in 2019
US average: 88.5%
21.8%
+3.1 ptssince 2019
from 18.7% in 2019
US average: 12.7%
Section 06

Commute & transportation

32.4 min
−9%since 2019
from 35.4 min in 2019
US average: 26.9
79.2%
−4.5 ptssince 2019
from 83.7% in 2019
US average: 75.1%
0.0%
Unchangedsince 2019
from 0.0% in 2019
US average: 8.4%
Section 07

Work & employment

4.7%
+0.1 ptssince 2019
from 4.6% in 2019
US average: 5.4%
50.2%
−1.0 ptssince 2019
from 51.2% in 2019
US average: 63.4%
49.4%
+0.4 ptssince 2019
from 49.0% in 2019
US average: 39.3%
Section 08

People & community

52.3%
−5.3 ptssince 2019
from 57.5% in 2019
47.7%
+5.3 ptssince 2019
from 42.5% in 2019
2.3%
−0.2 ptssince 2019
from 2.6% in 2019
US average: 13.5%
0.0%
−2.1 ptssince 2019
from 2.1% in 2019
US average: 8.8%
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Frequently asked

How many people live in Lake Madison, South Dakota?

Lake Madison, South Dakota has about 829 residents according to the 2020 American Community Survey.

What is the median household income in Lake Madison, South Dakota?

The typical household in Lake Madison, South Dakota earns about $97,961 a year. Half of households make more than that, and half make less.

Is Lake Madison, South Dakota expensive?

In Lake Madison, South Dakota, the median home is worth about $396,300, and the typical rent is about $665 a month.

How educated are people in Lake Madison, South Dakota?

About 53.6% of adults age 25 and over in Lake Madison, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Lake Madison, South Dakota?

About 5.7% of people in Lake Madison, 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 →