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CITY · 1990 CENSUS

St. Marys

Iowa · 100 residents · 0.141 sq mi
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The short version

St. Marys has lower-than-average household income, with a median household income of $24,063. Population has fallen 25% since 2000, a loss of 34 residents. 7% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $45,000. At a median age of 26.3, residents skew younger than the country as a whole.

At a glance
Lower income
below the US median
US median: $30,130
Younger
median age 26.3
US median: 33.0
Less educated
7% hold a bachelor's degree
US average: 20%
More affordable
home values down 31%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

100
−25%vs 2000
vs 134 in 2000
1990 – 2025
709 / sq mi
−25%vs 2000
vs 950 / sq mi in 2000
US average: 221
26.3
−27%vs 2000
vs 36.0 in 2000
US average: 33.0
Population, 19902024
821241672102521990201020202024St. Marys
202496
1990201020202024
Section 02

Income & economy

$24,063
−18%inflation adjusted, since 2000
vs $38,750 in 2000
US average: $30,130
1990 – 2024
$10,085
−40%vs 2000
vs $16,747 in 2000
US average: $14,340
2.0%
+2.0 ptsvs 2000
vs 0.0% in 2000
US average: 13.2%
Section 03

Housing

$45,000
−31%inflation adjusted, since 2000
vs $86,300 in 2000
US average: $93,722
1990 – 2024
$375
−27%inflation adjusted, since 2000
vs $675 in 2000
US average: $450
87.8%
+2.1 ptsvs 2000
vs 85.7% in 2000
12.2% rent
1.9
−16%vs 2000
vs 2.2 in 2000
1990 – 2024
RELATED:See current rent listings in St. Marys on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.5%(132)
Black0%(0)
Hispanic / Latino1.5%(2)
Asian0%(0)
Other0%
Diversity Score3.7%(5)
1990
White, non-Hispanic100%(100)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%(0)
Diversity Score0%(0)
0
−100%vs 2000
vs 4 in 2000
1990 – 2024
Section 05

Education

7.4%
−9.9 ptsvs 2000
vs 17.3% in 2000
US average: 20.3%
High school or higher
92.6%
−7.4 ptsvs 2000
vs 100.0% in 2000
US average: 75.2%
3.7%
−0.3 ptsvs 2000
vs 4.0% in 2000
US average: 7.1%
Section 06

Commute & transportation

33.4 min
+50%vs 2000
vs 22.2 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in St. Marys, Iowa?

St. Marys, Iowa has about 100 residents according to the 1990 Census.

What is the median household income in St. Marys, Iowa?

The typical household in St. Marys, Iowa earns about $24,063 a year. Half of households make more than that, and half make less.

Is St. Marys, Iowa expensive?

In St. Marys, Iowa, the median home is worth about $45,000, and the typical rent is about $375 a month.

How educated are people in St. Marys, Iowa?

About 7.4% of adults age 25 and over in St. Marys, Iowa hold a bachelor's degree or higher.

What is the poverty rate in St. Marys, Iowa?

About 2.0% of people in St. Marys, Iowa live below the federal poverty line.

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

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