Sandyville vs St. Marys

A side-by-side comparison of Sandyville and St. Marys: population, income, housing, and more.

Sandyville and St. Marys are places in Iowa. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

St. Marys has the higher population (112 vs 43 in Sandyville). St. Marys has the higher median household income ($78,750 vs $46,250 in Sandyville). Since 2019, St. Marys's population has grown faster (-41.4% vs -50.6%).

Population, income & housing

	Sandyville	St. Marys
Population	43	112
Median age	36.5 yrs	53.5 yrs
Median household income	$46,250	$78,750
Median home value	—	$168,800
Median gross rent	—	$1,300
Housing units	14	52
Homeownership rate	100.0%	76.9%
Bachelor's degree or higher	13.8%	23.2%
Unemployment rate	6.3%	0.0%

Trends (ACS 5-year, 2019–2023)

	Sandyville	St. Marys
Population	87 → 43 (-50.6%)	191 → 112 (-41.4%)
Median household income	$65,781 → $46,250 (-29.7%)	$69,271 → $78,750 (+13.7%)
Median home value	$141,700 → $162,500 (+14.7%)	$143,300 → $168,800 (+17.8%)
Median gross rent	—	$850 → $1,300 (+52.9%)

Sandyville

Population

8743

Median household income

$65,781$46,250

Median home value

$141,700$162,500

St. Marys

Population

191112

Median household income

$69,271$78,750

Median home value

$143,300$168,800

Median gross rent

$850$1,300

Age & race/ethnicity

Age distribution (share)

	Sandyville	St. Marys
Under 5	23.3%	4.5%
5 to 17	9.3%	4.5%
18 to 24	0.0%	6.3%
25 to 34	4.7%	13.4%
35 to 44	14.0%	0.0%
45 to 54	9.3%	25.9%
55 to 64	30.2%	18.8%
65 to 74	2.3%	15.2%
75 and over	7.0%	11.6%

Race & ethnicity (share)

	Sandyville	St. Marys
White (non-Hispanic)	100.0%	100.0%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	0.0%	0.0%
Hispanic or Latino	0.0%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Sandyville	St. Marys
No high school diploma	20.7%	3.2%
High school graduate	48.3%	50.5%
Some college or associate's	17.2%	23.2%
Bachelor's degree	0.0%	14.7%
Graduate or professional degree	13.8%	8.4%

Commute to work

How workers get to work (share)

	Sandyville	St. Marys
Drove alone	100.0%	80.6%
Carpooled	0.0%	12.9%
Public transit	0.0%	0.0%
Walked	0.0%	1.6%
Bicycle	0.0%	0.0%
Worked from home	0.0%	4.8%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Sandyville	St. Marys
1-unit, detached	78.6%	82.7%
1-unit, attached	0.0%	7.7%
2 to 4 units	0.0%	1.9%
5 to 19 units	0.0%	7.7%
20 or more units	0.0%	0.0%
Mobile home & other	21.4%	0.0%

Poverty & households

	Sandyville	St. Marys
Poverty rate	16.3%	6.3%
Average household size	3.07	2.15
Mean commute (minutes)	—	28
Median year structure built	1938	1962