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ZIP Code 50831, Iowa

ZIP Code 50831 profile, demographic data, and geographic information.

ZCTA5 50831 is a 5-digit ZIP Code area located in Union County, Iowa. As of official census estimates, it has a reported population of 22. The land area covers 0.22 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 22 ±15 2020-2024 / Census ACS 5-Year 2024
Median Age 63.5 yrs ±13.9 2020-2024 / Census ACS 5-Year 2024
Total Households 9 ±6 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 9 ±6
Occupied Housing Units 9 ±6
Vacant Housing Units 0 ±10
Median Home Value Suppressed —
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 $95,625 ±$79,111
Per Capita Income $36,232 ±$26,387
Poverty Rate 4.5% ±8.5%
Population Below Poverty Level 1 ±2
Unemployment Rate 0% ±166.7%
Civilian Labor Force, Employed 6 ±8
Broadband Internet Rate 100% ±0%
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: 11,955 (2024)
ID: 104327
County Official County Government
Contact: UNION COUNTY AUDITOR
300 N PINE ST, CRESTON IA 50801-2400

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-KG Creston, IA
Regular School Nearby 01-05 Creston, IA
Regular School Nearby 09-12 Creston, IA
Regular School Nearby 06-08 Creston, IA
Regular School Nearby PK-05 Diagonal, IA
Regular School Nearby 06-12 Diagonal, IA
Regular School Nearby PK-05 Afton, IA
Regular School Nearby 06-12 Afton, IA
Regular School Nearby PK-05 Murray, IA
Regular School Nearby 06-12 Murray, IA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 9 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Southwestern Community College
College 11.8 mi away 1501 West Townline Street, Creston, IA, 50801
6417827081
MATILDA J. GIBSON MEMORIAL LIBRARY
Library 10.6 mi away 200 W HOWARD ST, CRESTON, IA, 50801
(641) 782-2277
MURRAY PUBLIC LIBRARY
Library 15.5 mi away 416 MAPLE ST, MURRAY, IA, 50174
(641) 447-2711
MOUNT AYR PUBLIC LIBRARY
Library 16.4 mi away 121 W MONROE, MOUNT AYR, IA, 50854
(641) 464-2159
CLEARFIELD PUBLIC LIBRARY
Library 16.9 mi away 401 BROADWAY SUITE 200, CLEARFIELD, IA, 50840
(641) 336-2479
LENOX PUBLIC LIBRARY
Library 18.2 mi away 101 N MAIN, LENOX, IA, 50851
(641) 333-4411
PUBLIC RESOURCE/TECHNOLOGY CENTER
Library 20.0 mi away 201 SCHOOL ST, ORIENT, IA, 50858
(641) 352-4800
PRESCOTT PUBLIC LIBRARY
Library 20.9 mi away 607 2ND ST, PRESCOTT, IA, 50859
(641) 335-2238
OSCEOLA PUBLIC LIBRARY
Library 24.4 mi away 300 S FILLMORE ST, OSCEOLA, IA, 50213
(641) 342-2237
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 CRESTON 2 SW, IA US, located 10.7 miles from ZCTA5 50831. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 30.5° 10.6° 20.5° 1.04" —
February 35.1° 13.8° 24.5° 1.46" —
March 48.7° 25.5° 37.1° 2.53" —
April 61.2° 36.1° 48.6° 3.74" —
May 71.3° 48.8° 60.1° 5.15" —
June 80.9° 59.4° 70.1° 5.17" —
July 84.7° 63.2° 74.0° 4.46" —
August 83.0° 60.7° 71.8° 4.23" —
September 76.4° 51.6° 64.0° 3.70" —
October 64.1° 39.3° 51.7° 2.79" —
November 48.4° 26.2° 37.3° 2.14" —
December 35.7° 16.0° 25.8° 1.48" —
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
Arispe city City 0.2 mi —
Shannon City city City 4.2 mi —
Afton city City 5.5 mi —
Tingley city City 6.9 mi —
Ellston city City 9.7 mi —
Thayer city City 10.5 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 50831. • 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.