St. Donatus, Iowa Population & Demographics

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Statistic	St. Donatus	Iowa	National
Population	108	3,258,878	336,919,644
Population density (sq mi)	291	58	91
Median age	63.0	38.0	37.7
Male/Female ratio	1.2:1	1.0:1	1.0:1
Married (15yrs & older)	77%	60%	55%
Families w/ Kids under 18	9%	44%	43%
Speak English	100%	92%	79%
Speak Spanish	0%	4%	13%

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Demographics Quick Facts

The population density in St. Donatus is 398% higher than Iowa
The median age in St. Donatus is 66% higher than Iowa
In St. Donatus 99.04% of the population is White
In St. Donatus 0.00% of the population is Black
In St. Donatus 0.00% of the population is Asian

Compare St. Donatus, IA Demographics

St. Donatus racial demographics

Race	St. Donatus	Iowa	National
White	99.04%	90.90%	73.35%
Black	0.00%	3.32%	12.63%
Asian	0.00%	2.14%	5.22%
American Indian	0.00%	0.32%	0.82%
Native Hawaiian	0.00%	0.08%	0.18%
Mixed race	0.96%	1.97%	3.06%
Other race	0.00%	1.27%	4.75%

In St. Donatus, 0.0% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

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Household income distribution

Place of birth by citizenship

St. Donatus age breakdown

Marital status

Age of children in married couples

Source: The St. Donatus, IA demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS) and include 2026 modeled data developed using proprietary methodologies.