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Clay township, Iowa

Clay township profile, demographic data, and geographic information.

Clay township is a geographic entity located in Marion County, Iowa. As of official census estimates, it has a reported population of 913. The land area covers 35.02 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 913 ±223 2020-2024 / Census ACS 5-Year 2024
Median Age 45.5 yrs ±17.5 2020-2024 / Census ACS 5-Year 2024
Total Households 376 ±71 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 420 ±80
Occupied Housing Units 376 ±71
Vacant Housing Units 44 ±37
Median Home Value $162,500 ±$63,270
Median Gross Rent $792 ±$544
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $77,738 ±$33,617
Per Capita Income $42,375 ±$8,078
Poverty Rate 4.2% ±3.2%
Population Below Poverty Level 38 ±31
Unemployment Rate 1% ±1%
Civilian Labor Force, Employed 382 ±97
Broadband Internet Rate 91.5% ±6.9%
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 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 New Sharon, IA
Regular School Nearby 07-12 New Sharon, IA
Regular School Nearby 03-05 Knoxville, IA
Regular School Nearby PK Oskaloosa, IA
Regular School Nearby KG-05 Oskaloosa, 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 7.7 mi away 812 University, Pella, IA, 50219
8774623687
BUSSEY COMMUNITY LIBRARY
Library 6.3 mi away 401 MERRILL ST, BUSSEY, IA, 50044
(641) 944-5994
William Penn University
College 14.8 mi away 201 Trueblood Ave, Oskaloosa, IA, 52577
6416731001
PELLA PUBLIC LIBRARY
Library 8.0 mi away 603 MAIN ST, PELLA, IA, 50219
(641) 628-4268
KNOXVILLE PUBLIC LIBRARY
Library 8.8 mi away 213 E MONTGOMERY ST, KNOXVILLE, IA, 50138
(641) 828-0585
OSKALOOSA PUBLIC LIBRARY
Library 14.9 mi away 301 S MARKET, OSKALOOSA, IA, 52577
(641) 673-0441
MELCHER-DALLAS PUBLIC LIBRARY
Library 16.8 mi away 111 S MAIN ST, MELCHER-DALLAS, IA, 50163
(641) 947-6700
EDDYVILLE PUBLIC LIBRARY
Library 17.9 mi away 202 S 2ND ST, EDDYVILLE, IA, 52553
(641) 969-4815
MONROE PUBLIC LIBRARY
Library 18.2 mi away 416 S BUCHANAN ST, MONROE, IA, 50170
(641) 259-3065
WEBB SHADLE PUBLIC LIBRARY
Library 18.9 mi away 301 W DALLAS, PLEASANTVILLE, IA, 50225
(515) 848-5617
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 9.1 miles from Clay 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
Harvey city City 2.0 mi —
Bussey city City 6.3 mi —
Marysville city City 7.6 mi —
Pella city City 8.0 mi —
Leighton city City 8.3 mi —
Hamilton city City 8.4 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1912590687. • 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.