63673 ZIP Code — Saint Mary, MO

Sainte Genevieve County, Missouri

ZIP code 63673 is located in Saint Mary, Missouri, within Sainte Genevieve County. It covers approximately 115.19 square miles and serves a population of 2,278 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 573.

About ZIP code 63673

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $199,500. Owner-occupancy is high at 83%, well above the national average.

The gap between median ($71,875) and mean household income suggests income inequality — a small number of higher earners pull the average up. 37% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry. The average commute of 32 minutes is near the national average.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 63673 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

2,278

population

115.19

sq mi land

Standard

ZIP type

Central (CT)

timezone

63673 ZIP code map

Cities in ZIP code 63673

Below are the cities the US Postal Service accepts for ZIP code 63673. Using any city not on this list may result in mail delivery delays.

City	Status
Saint Mary	Acceptable
Saint Mary	Preferred

Nearby ZIP codes

63775 Perryville (6.5 mi) 63670 Sainte Genevieve (9.6 mi) 62261 Modoc (15.5 mi) 62233 Chester (15.8 mi) 62241 Ellis Grove (16.2 mi) 63781 Sedgewickville (17.7 mi) 62280 Rockwood (19.2 mi) 63747 Friedheim (19.3 mi) 63640 Farmington (19.8 mi)

Demographics updated 05/2026

Population
Total population	2,278
Population density	20 / sq mi
State FIPS	29
County FIPS	186

Geography
Land area	115.19 sq mi
Water area	2.68 sq mi
Latitude	37.7958
Longitude	-90.0063
Timezone	Central (CT)
Area code	573

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	45.2%	40.2%	43.8%
$50k – $100k	26.7%	30.1%	31.5%
$100k – $200k	16.6%	25.5%	19.5%
Over $200k	11.5%	4.1%	5.2%

Demographics & statistics

2,278

Population

People per sq mi

39.9

Median age

$71,875

Median household income

$37,498

Per capita income

$199,500

Median home value

$731

Median monthly rent

83.1%

Home ownership

13.2%

Poverty rate

2.7%

Unemployment

837

Housing units

17.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

110

15–19

133

20–24

25–34

103

162

35–44

198

115

45–54

139

55–59

60–64

109

65–74

132

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	510	22.4%
18 and over	1,768	77.6%
65 and over	434	19.1%
Median age	39.9 years

Race & ethnicity

White 96.8%

Two or more races 1.8%

Black or African American 1.2%

Asian 0.2%

Group	Count	%
White	2,206	96.8%
Two or more races	40	1.8%
Black or African American	28	1.2%
Asian	4	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	45.2%	40.2%	43.8%
$50k – $100k	26.7%	30.1%	31.5%
$100k – $200k	16.6%	25.5%	19.5%
Over $200k	11.5%	4.1%	5.2%

Under $10k 1.9%

$10k–$15k 4.7%

$15k–$25k 11.2%

$25k–$35k 8.1%

$35k–$50k 11.3%

$50k–$75k 15.4%

$75k–$100k 13.6%

$100k–$150k 11.8%

$150k–$200k 11.8%

$200k+ 10.3%

Range	% of households
Under $10k	1.9%
$10k–$15k	4.7%
$15k–$25k	11.2%
$25k–$35k	8.1%
$35k–$50k	11.3%
$50k–$75k	15.4%
$75k–$100k	13.6%
$100k–$150k	11.8%
$150k–$200k	11.8%
$200k+	10.3%
Median income	$71,875

Housing

Home values

Under $50k 10.4%

$50k–$100k 17.9%

$100k–$150k 6.6%

$150k–$200k 15.2%

$200k–$300k 23.7%

$300k–$500k 21.6%

$500k–$1M 4.5%

Housing overview

Metric	Value
Median home value	$199,500
Median rent / month	$731
Owner occupied	83.1%
Renter occupied	16.9%
Vacant	17.2%
Single-family detached	75.0%
Large apartment buildings	0.0%
Mobile homes	20.3%
Median rooms	5.6
Avg household size (owned)	2.83

Year built

Era	%
2020 or later	0.0%
2010–2019	6.0%
2000–2009	15.1%
1990–1999	12.3%
1980–1989	14.9%
1970–1979	16.9%
1960–1969	11.8%
1950–1959	7.4%
1940–1949	2.2%
1939 or earlier	13.5%

Bedrooms

Size	% of units
No bedroom (studio)	2.0%
1 bedroom	6.2%
2 bedrooms	20.2%
3 bedrooms	55.1%
4 bedrooms	9.0%
5+ bedrooms	7.5%

Vehicles per household

Vehicles	% of households
No vehicle	2.1%
1 vehicle	16.9%
2 vehicles	37.0%
3 or more	44.0%

Heating fuel

Fuel type	%
Utility gas	1.5%
Electricity	38.5%
Propane / LP gas	47.6%
Fuel oil	0.7%
Wood	11.7%

Households & families

Household type	Count	%
Married-couple family	400	49.6%
Cohabiting couple	60	7.4%
Male householder, no spouse	180	22.3%
Female householder, no spouse	166	20.6%
Households with children under 18	249	30.9%
Households with seniors (65+)	323	40.1%
Average household size	2.82

Marital status

Status	Male	Female
Never married	38.9%	31.7%
Married	45.0%	41.2%
Separated	2.2%	3.2%
Widowed	6.3%	15.1%
Divorced	7.6%	8.8%

Education

Less than 9th grade 3.2%

Some HS, no diploma 6.2%

HS graduate 47.5%

Some college, no degree 19.0%

Associate's degree 7.0%

Bachelor's degree 14.1%

Graduate / professional 2.9%

Metric	%
HS diploma or higher	90.6%
Bachelor's or higher	17.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	10	2.2%
Kindergarten	24	5.3%
Elementary school	229	50.1%
High school	176	38.5%
College / grad school	18	3.9%

Employment

Industry of employment

Manufacturing 24.4%

Education & healthcare 15.3%

Construction 11.4%

Retail trade 10.9%

Agriculture & mining 10.7%

Other services 9.1%

Transportation & utilities 7.9%

Arts, food & hospitality 4.0%

Finance & real estate 2.1%

Public administration 1.8%

Professional & management 1.6%

Wholesale trade 0.7%

Occupation

Category	%
Management, business & arts	24.6%
Service	11.9%
Sales & office	19.3%
Natural resources & construction	17.4%
Production & transportation	26.8%

Employment type

Type	%
Private sector	80.3%
Government	15.9%
Self-employed	3.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	94.9%
Carpool	2.3%
Public transit	0.0%
Walk	0.1%
Work from home	2.6%
Other means	0.0%
Avg commute (minutes)	32.3

Poverty

All people 13.2%

Under 18 years 25.1%

18 and over 9.7%

Married-couple families 4.0%

Female-led households 82.1%

Income support

Source	% of households
Social Security	36.5%
Retirement income	37.0%
Supplemental Security	9.3%
Cash public assistance	2.1%
Food stamps / SNAP	4.7%

Health indicators

Condition	%
Obesity	36.0%
High blood pressure	31.5%
High cholesterol	33.4%
Diabetes	10.0%
Heart disease	6.9%
Stroke	3.0%
Asthma	9.1%
Arthritis	27.8%
Kidney disease	2.8%
Pulmonary disease	7.7%
Cancer	7.0%

Behavior / access	%
Smoking	19.9%
Binge drinking	17.9%
No physical activity	25.1%
Less than 7 hrs sleep	34.2%
Depression	22.9%
Fair or poor health	14.9%
Poor mental health	14.9%
Poor physical health	11.0%
No health insurance	14.8%
Visited doctor (checkup)	73.6%
Visited dentist	62.0%
Cholesterol screening	88.9%
Teeth loss	16.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	108	6.1%

Disability	%
Any disability	14.2%
Under 18	7.3%
18–64 years	6.1%
65 and over	47.2%

Health insurance coverage

Type	%
Private insurance	78.9%
Public insurance	33.2%
No insurance	4.1%
Uninsured under 19	0.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,171	95.3%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,277	100.0%
Born in same state	2,277	100.0%
Born in different state	1,909	83.8%
Foreign born	0	0.0%
Naturalized citizen	1	0.0%
Not a US citizen	1	100.0%

Ancestry

Ancestry	Count	%
Arab	262	11.5%
Italian	255	11.2%

Ancestry	Count	%
French	192	8.4%
Polish	1	0%

Technology access

Metric	% of households
Computer access	35.4%
Internet access	82.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 63673

What city is ZIP code 63673 in?

ZIP code 63673 is primarily assigned to Saint Mary, Missouri.

What county is ZIP code 63673 in?

ZIP code 63673 falls within Sainte Genevieve County, Missouri.

Is ZIP code 63673 mostly owner-occupied?

83% of occupied units in ZIP code 63673 are owner-occupied, well above the national average.

Does ZIP code 63673 have a large retiree population?

37% of households in ZIP code 63673 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 63673?

ZIP code 63673 has an estimated population of 2,278 residents, with a density of 20 people per square mile.

What is the typical home value in ZIP code 63673?

The median home value in ZIP code 63673 is $199,500.

What timezone is ZIP code 63673 in?

ZIP code 63673 observes the CST timezone.