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St. Marys township, Missouri

St. Marys township profile, demographic data, and geographic information.

St. Marys township is a geographic entity located in Perry County, Missouri. As of official census estimates, it has a reported population of 1,498. The land area covers 101.88 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 1,498 ±401 2020-2024 / Census ACS 5-Year 2024
Median Age 47.2 yrs ±9 2020-2024 / Census ACS 5-Year 2024
Total Households 571 ±149 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 1,090 ±191
Occupied Housing Units 571 ±149
Vacant Housing Units 519 ±151
Median Home Value $169,500 ±$11,891
Median Gross Rent Suppressed —
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $70,888 ±$11,616
Per Capita Income $32,166 ±$6,403
Poverty Rate 18.4% ±11.6%
Population Below Poverty Level 272 ±186
Unemployment Rate 6.5% ±11.2%
Civilian Labor Force, Employed 661 ±241
Broadband Internet Rate 78.1% ±3.4%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 19,100 (2024)
ID: 186216
County Official County Government
Contact: COMMISSIONER
321 N MAIN ST, STE 2, PERRYVILLE MO 63775-1372

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-02 FREDERICKTOWN, MO
Regular School Nearby 09-12 FREDERICKTOWN, MO
Regular School Nearby 03-05 FREDERICKTOWN, MO
Regular School Nearby 06-08 FREDERICKTOWN, MO
Regular School Nearby PK-05 PATTON, MO
Regular School Nearby 09-12 PATTON, MO
Regular School Nearby 06-08 PATTON, MO
Regular School Nearby 06-08 PERRYVILLE, MO
Career and Technical School Nearby 09-12 PERRYVILLE, MO
Regular School Nearby 03-05 PERRYVILLE, MO
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 6 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
PERRYVILLE BRANCH
Library 9.6 mi away 800 CITY PARK DR STE A, PERRYVILLE, MO, 63775
(573) 547-6508
FREDERICKTOWN BRANCH
Library 17.1 mi away 115 S MAIN ST, FREDERICKTOWN, MO, 63645
(573) 783-2120
CHESTER PUBLIC LIBRARY
Library 19.0 mi away 733 STATE STREET, CHESTER, IL, 62233
(618) 826-3711
SAINTE GENEVIEVE COUNTY LIBRARY
Library 19.3 mi away 21388 HWY 32, STE GENEVIEVE, MO, 63670
(573) 883-3358
FARMINGTON PUBLIC LIBRARY
Library 23.2 mi away 101 NORTH A STREET, FARMINGTON, MO, 63640
(573) 756-5779
ALTENBURG BRANCH
Library 23.8 mi away 66 POPLAR ST, ALTENBURG, MO, 63732
(573) 824-5267
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at PERRYVILLE WTP, MO US, located 6.7 miles from St. Marys township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 41.0° 21.3° 31.2° 2.74" 1.3"
February 46.2° 24.6° 35.4° 2.77" 1.7"
March 56.1° 32.7° 44.4° 3.82" 0.5"
April 67.5° 42.1° 54.8° 5.53" 0.0"
May 76.5° 52.8° 64.7° 5.71" 0.0"
June 85.2° 62.3° 73.8° 4.34" 0.0"
July 88.3° 66.1° 77.2° 3.93" 0.0"
August 87.2° 63.5° 75.3° 3.33" 0.0"
September 80.7° 54.8° 67.8° 3.33" 0.0"
October 69.6° 43.3° 56.4° 3.39" 0.0"
November 55.6° 32.9° 44.2° 4.18" 0.1"
December 44.8° 25.4° 35.1° 3.16" 1.1"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Shakertowne CDP CDP 8.4 mi —
Perryville city City 8.5 mi —
Brewer CDP CDP 9.2 mi —
Biehle CDP CDP 11.2 mi —
Ozora CDP CDP 12.8 mi —
Lithium CDP CDP 12.9 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 2915765036. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.