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ZIP code 63673: Saint Mary, MO

63673 is a ZIP code in Saint Mary, Missouri, mainly in Ste. Genevieve County. About 2,340 people live here.

Population
2,340
Median household income
$77,931
Typical home value
$263,800+8.6% in 12 months
Median rent
$818gross, per month
Median age
41.1
Homeowners
76.9%of occupied homes
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Shaded: ZIP code 63673's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 63673 details

CitySaint Mary
StateMissouri
CountySte. Genevieve County (also partly Perry County, Randolph County)
Metro areaNot in a metro or micro area
Time zoneCentral Time (UTC−6), observes daylight saving time
TypeStandard (delivery area)
Land area115.2 sq mi, plus 2.7 sq mi of water
Population density20 people per sq mi
Bachelor's degree or higher19.7% of adults 25+
Average commute31 minutes
Center coordinates37.84183, -89.99106

Median rent in 63673 by bedrooms

SizeMedian gross rent
1 bedroom$438/mo
2 bedrooms$842/mo
3 bedrooms$744/mo
4 bedrooms$1,021/mo

Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.

ZIP codes near 63673

ZIP codeCityDistancePopulation
62259Menard, IL9.5 mi—
63670Sainte Genevieve, MO10.4 mi12,293
63775Perryville, MO10.9 mi16,325
62261Modoc, IL11.4 mi80
63776Mc Bride, MO12.3 mi—
62241Ellis Grove, IL12.8 mi879
62233Chester, IL13.0 mi8,326
62297Walsh, IL17.7 mi158

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 63673?

A typical home in ZIP code 63673 is worth about $263,800 (Zillow Home Value Index). The median household here earns $77,931 a year. See what buying here would cost per month, with Missouri average taxes and insurance filled in.

Monthly payment for a $263,800 homeWhat can a $77,931 income afford?Rental property numbers

About ZIP code 63673

What city is ZIP code 63673?

ZIP code 63673 is in Saint Mary, MO, in Ste. Genevieve County.

What county is ZIP code 63673 in?

63673 is mainly in Ste. Genevieve County, Missouri, and partly in Perry County and Randolph County.

What is the population of ZIP code 63673?

About 2,340 people live in ZIP code 63673, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 63673 in?

63673 is in Central Time (UTC−6). It observes daylight saving time.