ZIP Code 63631, Missouri
ZIP Code 63631 profile, demographic data, and geographic information.
ZCTA5 63631 is a 5-digit ZIP Code area located in Iron County / Washington County, Missouri. As of official census estimates, it has a reported population of 544. The land area covers 41.24 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 544 | ±156 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 56.1 yrs | ±9.9 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 266 | ±72 | 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 | 308 | ±84 |
| Occupied Housing Units | 266 | ±72 |
| Vacant Housing Units | 42 | ±42 |
| Median Home Value | $127,500 | ±$60,313 |
| Median Gross Rent | $790 | ±$75 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $74,211 | ±$15,260 |
| Per Capita Income | $33,161 | ±$4,942 |
| Poverty Rate | 9.7% | ±8.2% |
| Population Below Poverty Level | 53 | ±47 |
| Unemployment Rate | 1.5% | ±1.9% |
| Civilian Labor Force, Employed | 199 | ±75 |
| Broadband Internet Rate | 78.2% | ±13.7% |
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 |
|---|---|---|---|
|
COUNTY OF IRON
GUS Population: 9,420 (2024)
ID: 168740
|
County | Official County Government |
Contact: COMMISSIONER
PO BOX 42, IRONTON MO 63650-0042
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Career and Technical School Nearby | 09-12 | IRONTON, MO | |
| Regular School Nearby | PK-04 | IRONTON, MO | |
| Regular School Nearby | 09-12 | IRONTON, MO | |
| Regular School Nearby | 05-08 | IRONTON, MO | |
| Regular School Nearby | PK-08 | BELLEVIEW, MO | |
| Regular School Nearby | PK-05 | BISMARCK, MO | |
| Regular School Nearby | 06-12 | BISMARCK, MO | |
| Regular School Nearby | PK-06 | CALEDONIA, MO | |
| Regular School Nearby | PK-02 | PARK HILLS, MO | |
| Regular School Nearby | 09-12 | PARK HILLS, MO |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Mineral Area College
|
College | 17.9 mi away | 5270 Flat River Road, Park Hills, MO, 63601-1000 |
5734314593
|
|
WASHINGTON COUNTY LIBRARY
|
Library | 12.4 mi away | 235 E HIGH ST, POTOSI, MO, 63664 |
(573) 438-4691
|
|
WASHINGTON COUNTY LIBRARY BOOKMOBILE
|
Library | 12.4 mi away | 235 E HIGH ST, POTOSI, MO, 63664 |
(573) 438-4691
|
|
OZARK REGIONAL LIBRARY
|
Library | 13.6 mi away | 402 N MAIN ST, IRONTON, MO, 63650 |
(573) 546-2615
|
|
PARK HILLS PUBLIC LIBRARY
|
Library | 16.0 mi away | 16 S COFFMAN ST, PARK HILLS, MO, 63601 |
(573) 431-4842
|
|
PARK HILLS PUBLIC LIBRARY BOOKMOBILE
|
Library | 16.0 mi away | 16 S COFFMAN ST, PARK HILLS, MO, 63601 |
(573) 431-4842
|
|
DESLOGE PUBLIC LIBRARY
|
Library | 16.4 mi away | 209 N DESLOGE DR, DESLOGE, MO, 63601 |
(573) 431-3700
|
|
BONNE TERRE MEMORIAL LIBRARY
|
Library | 17.3 mi away | 5 SW MAIN ST, BONNE TERRE, MO, 63628 |
(573) 358-2260
|
|
VIBURNUM BRANCH
|
Library | 19.2 mi away | MISSOURI AVE, VIBURNUM, MO, 65566 |
(573) 244-5986
|
|
OATES LIBRARY
|
Library | 19.7 mi away | 8483 HIGHWAY J, BLACK, MO, 63625 |
(573) 269-1117
|
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 POTOSI 4 SW, MO US, located 10.2 miles from ZCTA5 63631. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 39.6° | 21.4° | 30.5° | 2.84" | 3.6" |
| February | 45.3° | 25.2° | 35.2° | 2.69" | 2.9" |
| March | 55.1° | 33.5° | 44.3° | 4.09" | 1.9" |
| April | 66.3° | 44.3° | 55.3° | 5.11" | 0.0" |
| May | 74.0° | 54.1° | 64.1° | 5.29" | 0.0" |
| June | 81.9° | 62.8° | 72.3° | 4.15" | 0.0" |
| July | 86.0° | 66.7° | 76.3° | 3.64" | 0.0" |
| August | 85.2° | 65.0° | 75.1° | 4.00" | 0.0" |
| September | 77.8° | 56.9° | 67.4° | 3.89" | 0.0" |
| October | 67.5° | 46.2° | 56.9° | 3.07" | 0.0" |
| November | 54.1° | 35.3° | 44.7° | 3.72" | 0.7" |
| December | 43.4° | 26.4° | 34.9° | 2.97" | 2.4" |
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 |
|---|---|---|---|
| Caledonia village | Village | 1.1 mi | — |
| Irondale city | City | 8.6 mi | — |
| Bismarck city | City | 9.1 mi | — |
| Iron Mountain Lake city | City | 10.1 mi | — |
| Wortham CDP | CDP | 11.7 mi | — |
| Frankclay CDP | CDP | 12.1 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 63631. • Official Source Dataset →
- 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.
- 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.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.