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CITY · 2000 CENSUS

Mount Vernon

South Dakota · 477 residents · 0.34 sq mi
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The short version

With 477 people, Mount Vernon is a city in South Dakota. Owners hold 82% of the housing stock. The typical home is worth $36,700, having more than doubled since 1990. Four-year degrees are less common here than nationally, at 11% of adults. 100 more people live here than in 1990. The poverty rate is 4.1%, under the national 12.4%.

At a glance
Lower income
median household income $36,806, below the US median
US median: $42,589
Mid-age
median age 34.9
US median: 35.2
Less educated
11% hold a bachelor's degree
US average: 24%
Less affordable
home values up 83%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

477
+27%since 1990
from 377 in 1990
1990 – 2025
1,403 / sq mi
+27%since 1990
from 1,109 / sq mi in 1990
US average: 242
34.9
−3%since 1990
from 36.0 in 1990
US average: 35.2
Land area
0.34 sq mi
Population, 1990 – 2024
35741747653559519902000201020202024Mount Vernon
2024442
1990201020202024
Age distribution, 2000
Under 56.9%(33)
US avg: 6.8%
5 to 99.9%(47)
US avg: 7.3%
10 to 149.2%(44)
US avg: 7.3%
15 to 198.2%(39)
US avg: 7.2%
20 to 244.4%(21)
US avg: 6.7%
25 to 3411.5%(55)
US avg: 14.2%
35 to 4419.1%(91)
US avg: 16%
45 to 548.8%(42)
US avg: 13.4%
55 to 649.2%(44)
US avg: 8.6%
65 to 747.1%(34)
US avg: 6.5%
75 to 845%(24)
US avg: 4.4%
85 and over0.6%(3)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$36,806
+54%inflation adjusted, since 1990
from $18,125 in 1990
US average: $42,589
1990 – 2024
$14,864
+64%since 1990
from $9,051 in 1990
US average: $21,522
4.1%
−7.3 ptssince 1990
from 11.4% in 1990
US average: 12.4%
Section 03

Housing

$36,700
+83%inflation adjusted, since 1990
from $15,200 in 1990
US average: $120,530
1990 – 2024
$338
−5%inflation adjusted, since 1990
from $269 in 1990
US average: $602
81.9%
+0.2 ptssince 1990
from 81.8% in 1990
18.1% rent
Section 04

Race & ethnicity

1990
White, non-Hispanic100%(377)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
2000
White, non-Hispanic98.1%(468)
Black0%(0)
Hispanic / Latino1.7%(8)
Asian0%(0)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Ancestry
German38.9%(172)
Irish17.2%(76)
Norwegian13.3%(59)
Dutch5%(22)
English4.5%(20)
French2.5%(11)
Czech2.3%(10)
Italian2.3%(10)
American1.4%(6)
Russian0.9%(4)
Scottish0.7%(3)
+ 2 more ancestry groups with data
Swedish0.5%(2)
Polish0.2%(1)
Section 05

Education

11.1%
+0.9 ptssince 1990
from 10.2% in 1990
US average: 24.4%
High school or higher
81.7%
+5.0 ptssince 1990
from 76.7% in 1990
US average: 80.3%
2.0%
−1.4 ptssince 1990
from 3.4% in 1990
US average: 8.8%
Section 06

Commute & transportation

11.2 min
−27%since 1990
from 15.4 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married18.3%(32)
Married72.6%(127)
Widowed2.3%(4)
Divorced6.9%(12)
Women 15+
Never married12.4%(23)
Married65.4%(121)
Widowed9.2%(17)
Divorced13%(24)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

10.9%
+5.2 ptssince 2013
from 5.7% in 2013
US average: 8.4%
48.2%
−4.6 ptssince 2020
from 52.8% in 2020
US average: 54.8%
Direct-purchase
19.2%
+7.8 ptssince 2020
from 11.4% in 2020
US average: 13.8%
11.3%
+1.3 ptssince 2020
from 10.0% in 2020
US average: 18.4%
18.3%
−6.7 ptssince 2020
from 25.0% in 2020
US average: 20.9%
VA health care
2.5%
+0.9 ptssince 2020
from 1.6% in 2020
US average: 2.2%
Any private
64.0%
Unchangedsince 2020
from 64.0% in 2020
US average: 67.1%
Any public
30.8%
−3.4 ptssince 2020
from 34.2% in 2020
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

Veterans by period of service, 2024
Gulf War (2001 or later)27.3%(3)
US avg: 26.4%
Gulf War (1990s)54.5%(6)
US avg: 24.3%
Vietnam era9.1%(1)
US avg: 33.1%
Korean War0%(0)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 11 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Mount Vernon, South Dakota?

Mount Vernon, South Dakota has about 477 residents according to the 2000 Census.

What is the median household income in Mount Vernon, South Dakota?

The typical household in Mount Vernon, South Dakota earns about $36,806 a year. Half of households make more than that, and half make less.

Is Mount Vernon, South Dakota expensive?

In Mount Vernon, South Dakota, the median home is worth about $36,700, and the typical rent is about $338 a month.

How educated are people in Mount Vernon, South Dakota?

About 11.1% of adults age 25 and over in Mount Vernon, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Mount Vernon, South Dakota?

About 4.1% of people in Mount Vernon, South Dakota live below the federal poverty line.

Has Mount Vernon, South Dakota grown since 1990?

Yes, Mount Vernon, South Dakota has grown since 1990. The population has added about 100 residents, a change of about 27 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 →