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Union township, Iowa

Union township profile, demographic data, and geographic information.

Union township is a geographic entity located in Marion County, Iowa. As of official census estimates, it has a reported population of 513. The land area covers 23.10 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 513 ±328 2020-2024 / Census ACS 5-Year 2024
Median Age 45.3 yrs ±7.1 2020-2024 / Census ACS 5-Year 2024
Total Households 144 ±83 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 144 ±83
Occupied Housing Units 144 ±83
Vacant Housing Units 0 ±10
Median Home Value $295,000 ±$85,039
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 $77,625 ±$24,070
Per Capita Income $27,970 ±$10,304
Poverty Rate 4.6% ±7.4%
Population Below Poverty Level 19 ±32
Unemployment Rate 0% ±4%
Civilian Labor Force, Employed 249 ±137
Broadband Internet Rate 92.4% ±20.2%
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: 34,048 (2024)
ID: 104323
County Official County Government
Contact: MARION COUNTY AUDITOR
214 E MAIN ST, KNOXVILLE IA 50138-2545

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Union 05-08 Union, IA
Regular School Union 07-12 Union, IA
Regular School Nearby 04-05 Hartford, IA
Regular School Nearby 04-06 Pella, IA
Regular School Nearby 09-12 Knoxville, IA
Regular School Nearby 06-08 Knoxville, IA
Regular School Nearby PK-03 Pella, IA
Regular School Nearby PK-03 Pella, IA
Regular School Nearby PK-06 Dallas, IA
Regular School Nearby 07-12 Melcher, IA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Central College
College 12.5 mi away 812 University, Pella, IA, 50219
8774623687
WEBB SHADLE PUBLIC LIBRARY
Library 5.8 mi away 301 W DALLAS, PLEASANTVILLE, IA, 50225
(515) 848-5617
Simpson College
College 21.0 mi away 701 North C St, Indianola, IA, 50125
5159616251
KNOXVILLE PUBLIC LIBRARY
Library 7.0 mi away 213 E MONTGOMERY ST, KNOXVILLE, IA, 50138
(641) 828-0585
MONROE PUBLIC LIBRARY
Library 8.3 mi away 416 S BUCHANAN ST, MONROE, IA, 50170
(641) 259-3065
PELLA PUBLIC LIBRARY
Library 12.8 mi away 603 MAIN ST, PELLA, IA, 50219
(641) 628-4268
RUNNELLS COMMUNITY LIBRARY
Library 12.9 mi away 6575 SE 116TH ST, RUNNELLS, IA, 50237
(515) 957-5662
MELCHER-DALLAS PUBLIC LIBRARY
Library 13.3 mi away 111 S MAIN ST, MELCHER-DALLAS, IA, 50163
(641) 947-6700
PRAIRIE CITY PUBLIC LIBRARY
Library 13.8 mi away 100 S MARSHALL ST, PRAIRIE CITY, IA, 50228
(515) 994-2308
MILO PUBLIC LIBRARY
Library 16.5 mi away 123 MAIN ST, MILO, IA, 50166
(641) 942-6557
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 KNOXVILLE, IA US, located 6.4 miles from Union township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 29.9° 12.5° 21.2° 1.15" —
February 35.1° 17.0° 26.0° 1.67" —
March 47.6° 27.6° 37.6° 1.87" —
April 60.6° 39.2° 49.9° 3.85" —
May 70.9° 51.2° 61.1° 4.98" —
June 80.6° 61.3° 70.9° 5.61" —
July 84.6° 65.6° 75.1° 4.34" —
August 82.7° 63.1° 72.9° 3.89" —
September 76.2° 54.3° 65.3° 3.66" —
October 63.0° 42.2° 52.6° 3.06" —
November 48.1° 29.9° 39.0° 1.80" —
December 35.5° 18.9° 27.2° 1.57" —
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
Pleasantville city City 5.9 mi —
Knoxville city City 6.8 mi —
Monroe city City 8.4 mi —
Swan city City 8.7 mi —
Sandyville city City 11.8 mi —
Pella city City 12.7 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1912594242. • 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.