Monmouth vs St. Donatus

A side-by-side comparison of Monmouth and St. Donatus: population, income, housing, and more.

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

St. Donatus has the higher population (131 vs 112 in Monmouth). Monmouth has the higher median household income ($46,389 vs $41,813 in St. Donatus). St. Donatus has the higher median home value ($207,400 vs $53,100 in Monmouth).

Population, income & housing

	Monmouth	St. Donatus
Population	112	131
Median age	59.0 yrs	60.3 yrs
Median household income	$46,389	$41,813
Median home value	$53,100	$207,400
Median gross rent	—	$945
Housing units	52	75
Homeownership rate	82.7%	82.7%
Bachelor's degree or higher	5.1%	7.8%
Unemployment rate	2.2%	0.0%

Trends (ACS 5-year, 2019–2023)

	Monmouth	St. Donatus
Population	205 → 112 (-45.4%)	103 → 131 (+27.2%)
Median household income	$43,333 → $46,389 (+7.1%)	$47,188 → $41,813 (-11.4%)
Median home value	$45,000 → $53,100 (+18.0%)	$122,300 → $207,400 (+69.6%)
Median gross rent	$575 → $725 (+26.1%)	—

Monmouth

Population

205112

Median household income

$43,333$46,389

Median home value

$45,000$53,100

Median gross rent

$575$725

St. Donatus

Population

103131

Median household income

$47,188$41,813

Median home value

$122,300$207,400

Age & race/ethnicity

Age distribution (share)

	Monmouth	St. Donatus
Under 5	1.8%	0.0%
5 to 17	7.1%	5.3%
18 to 24	3.6%	6.1%
25 to 34	7.1%	1.5%
35 to 44	8.0%	17.6%
45 to 54	8.9%	11.5%
55 to 64	27.7%	22.9%
65 to 74	25.9%	13.7%
75 and over	9.8%	21.4%

Race & ethnicity (share)

	Monmouth	St. Donatus
White (non-Hispanic)	97.3%	97.7%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	2.7%	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%	2.3%

Educational attainment (age 25+)

Share of adults 25+

	Monmouth	St. Donatus
No high school diploma	18.4%	11.2%
High school graduate	59.2%	67.2%
Some college or associate's	17.3%	13.8%
Bachelor's degree	2.0%	6.0%
Graduate or professional degree	3.1%	1.7%

Commute to work

How workers get to work (share)

	Monmouth	St. Donatus
Drove alone	95.5%	58.1%
Carpooled	2.3%	12.2%
Public transit	0.0%	0.0%
Walked	0.0%	10.8%
Bicycle	0.0%	0.0%
Worked from home	2.3%	5.4%
Other means	0.0%	13.5%

Housing

Units in structure (share)

	Monmouth	St. Donatus
1-unit, detached	76.9%	65.3%
1-unit, attached	0.0%	21.3%
2 to 4 units	0.0%	13.3%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	23.1%	0.0%

Poverty & households

	Monmouth	St. Donatus
Poverty rate	26.8%	17.6%
Average household size	2.15	1.75
Mean commute (minutes)	24	19
Median year structure built	1938	1966