St. Mary, Missouri Population & Demographics

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Demographics Quick Facts

The population density in St. Mary is 384% higher than Missouri
The median age in St. Mary is 4% higher than Missouri
In St. Mary 99.62% of the population is White
In St. Mary 0.00% of the population is Black
In St. Mary 0.00% of the population is Asian

Compare St. Mary, MO Demographics

St. Mary racial demographics

Race	St. Mary	Missouri	National
White	99.62%	82.53%	73.35%
Black	0.00%	11.58%	12.63%
Asian	0.00%	1.78%	5.22%
American Indian	0.00%	0.42%	0.82%
Native Hawaiian	0.00%	0.11%	0.18%
Mixed race	0.38%	2.44%	3.06%
Other race	0.00%	1.13%	4.75%

In St. Mary, 1.1% 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. Mary age breakdown

Marital status

Age of children in married couples

Source: The St. Mary, MO demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).

Statistic	St. Mary	Missouri	National
Population	261	6,137,428	328,239,523
Population density (sq mi)	436	90	91
Median age	39.9	38.3	37.7
Male/Female ratio	0.8:1	1.0:1	1.0:1
Married (15yrs & older)	52%	57%	55%
Families w/ Kids under 18	38%	42%	43%
Speak English	100%	94%	79%
Speak Spanish	0%	3%	13%