St. Marys

Population: 112
Median household income: $78,750
Median home value: $168,800

St. Marys, a community in Warren County, Iowa, has 112 residents. The median household income of $78,750 is below the Warren County median ($92,990).

From 2019 to 2023, St. Marys's population declined 41.4% from 191 to 112, while its median home value rose 17.8% from $143,300 to $168,800.

Owners occupy 76.9% of the area's occupied homes. The median resident is 53.5 years old.

Demographics

ACS 2019–2023

Population: 112
Median age: 53.5 yrs
Median household income: $78,750
Median home value: $168,800
Median gross rent: $1,300
Housing units: 52
Homeownership rate: 76.9%
Bachelor's degree or higher: 23.2%
Unemployment rate: 0.0%

Trends

ACS 5-year · 2019–2023

Population

191112

Median household income

$69,271$78,750

Median home value

$143,300$168,800

Median gross rent

$850$1,300

Year	Population	Median household income	Median home value	Median gross rent
2019	191	$69,271	$143,300	$850
2020	182	$68,333	$158,300	$890
2021	116	$58,125	$128,600	$1,042
2022	131	$61,429	$148,200	$1,125
2023	112	$78,750	$168,800	$1,300

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 54.5%

5 to 174.5%

18 to 246.3%

25 to 3413.4%

35 to 440.0%

45 to 5425.9%

55 to 6418.8%

65 to 7415.2%

75 and over11.6%

	Count	Share
Under 5	5	4.5%
5 to 17	5	4.5%
18 to 24	7	6.3%
25 to 34	15	13.4%
35 to 44	0	0.0%
45 to 54	29	25.9%
55 to 64	21	18.8%
65 to 74	17	15.2%
75 and over	13	11.6%

Race & ethnicity

	Count	Share
White (non-Hispanic)	112	100.0%
Black or African American	0	0.0%
American Indian & Alaska Native	0	0.0%
Asian	0	0.0%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	0	0.0%
Hispanic or Latino (any race)	0	0.0%

Educational attainment (age 25+)

No high school diploma3.2%

High school graduate50.5%

Some college or associate's23.2%

Bachelor's degree14.7%

Graduate or professional degree8.4%

	Count	Share
No high school diploma	3	3.2%
High school graduate	48	50.5%
Some college or associate's	22	23.2%
Bachelor's degree	14	14.7%
Graduate or professional degree	8	8.4%

Commute to work

Mean travel time to work: 28 min

Drove alone80.6%

Carpooled12.9%

Public transit0.0%

Walked1.6%

Bicycle0.0%

Worked from home4.8%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	50	80.6%
Carpooled	8	12.9%
Public transit	0	0.0%
Walked	1	1.6%
Bicycle	0	0.0%
Worked from home	3	4.8%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	10	16.9%
15 to 29 min	16	27.1%
30 to 44 min	23	39.0%
45 to 59 min	7	11.9%
60+ min	3	5.1%

Households

Average household size: 2.15
Poverty rate: 6.3% (7 of 112)

	Count	Share
Family households	32	61.5%
Nonfamily households	20	38.5%

Housing

Median year structure built: 1962

Occupancy

	Count	Share
Occupied	52	100.0%
Vacant	0	0.0%

Tenure (of occupied units)

	Count	Share
Owner-occupied	40	76.9%
Renter-occupied	12	23.1%

1-unit, detached82.7%

1-unit, attached7.7%

2 to 4 units1.9%

5 to 19 units7.7%

20 or more units0.0%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	43	82.7%
1-unit, attached	4	7.7%
2 to 4 units	1	1.9%
5 to 19 units	4	7.7%
20 or more units	0	0.0%
Mobile home & other	0	0.0%

Geography

Place GEOID: 1970095
Type (LSAD): 25
Land area: 0.14 sq mi
Water area: 0 sq mi
Center point: 41.3077, -93.7338