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ZIP Code 51001, Iowa

ZIP Code 51001 profile, demographic data, and geographic information.

ZCTA5 51001 is a 5-digit ZIP Code area located in Plymouth County / Union County, Iowa. As of official census estimates, it has a reported population of 2,342. The land area covers 165.20 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 2,342 ±284 2020-2024 / Census ACS 5-Year 2024
Median Age 45.7 yrs ±5.1 2020-2024 / Census ACS 5-Year 2024
Total Households 1,041 ±131 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 1,125 ±125
Occupied Housing Units 1,041 ±131
Vacant Housing Units 84 ±49
Median Home Value $192,700 ±$20,822
Median Gross Rent $716 ±$32
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $75,404 ±$11,845
Per Capita Income $40,845 ±$5,890
Poverty Rate 7.1% ±2.5%
Population Below Poverty Level 162 ±60
Unemployment Rate 1.2% ±0.8%
Civilian Labor Force, Employed 1,181 ±185
Broadband Internet Rate 79.7% ±4.8%
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 PLYMOUTH
GUS Population: 25,825 (2024)
ID: 126552
County Official County Government
Contact: COUNTY AUDITOR
215 4TH AVE SE, LE MARS IA 51031-2153

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-05 Akron, IA
Regular School Nearby 06-08 Akron, IA
Regular School Nearby 09-12 Akron, IA
Regular School Nearby KG-06 Alcester, SD
Regular School Nearby 09-12 Alcester, SD
Regular School Nearby 07-08 Alcester, SD
Regular School Nearby PK Alcester, SD
Regular School Nearby KG-05 Elk Point, SD
Regular School Nearby 09-12 Elk Point, SD
Regular School Nearby 06-08 Elk Point, SD
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
University of South Dakota
College 19.6 mi away 414 E Clark St, Vermillion, SD, 57069-2390
6056586200
AKRON PUBLIC LIBRARY
Library 1.0 mi away 350 REED ST, AKRON, IA, 51001
(712) 568-2601
Briar Cliff University
College 22.5 mi away 3303 Rebecca Street, Sioux City, IA, 51104
7122795200
HAWARDEN PUBLIC LIBRARY
Library 11.3 mi away 803 TENTH ST, HAWARDEN, IA, 51023
(712) 551-2244
St Luke's College
College 23.3 mi away 2720 Stone Park Blvd, Sioux City, IA, 51104-0263
7122793149
ELK POINT-JEFFERSON COMMUNITY/SCHOOL LIBRARY
Library 13.1 mi away 402 S DOUGLAS, ELK POINT, SD, 57025
(605) 356-5941
ALCESTER PUBLIC LIBRARY
Library 13.4 mi away 409 E 6TH STREET, ALCESTER, SD, 57001
(605) 934-2601
MERRILL PUBLIC LIBRARY
Library 16.9 mi away 608 MAIN ST, MERRILL, IA, 51038
(712) 938-2503
LE MARS PUBLIC LIBRARY
Library 19.5 mi away 46 1ST ST SW, LE MARS, IA, 51031
(712) 546-5004
EDITH B SIEGRIST VERMILLION PUBLIC LIBRARY
Library 20.0 mi away 18 CHURCH STREET, VERMILLION, SD, 57069
(605) 677-7060
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 HAWARDEN, IA US, located 11.6 miles from ZCTA5 51001. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 26.9° 7.2° 17.0° 0.70" 6.8"
February 32.0° 11.3° 21.7° 0.79" 6.4"
March 44.9° 22.8° 33.9° 1.69" 4.4"
April 59.2° 34.0° 46.6° 3.15" 2.3"
May 70.7° 46.7° 58.7° 4.04" 0.2"
June 80.8° 58.0° 69.4° 4.36" 0.0"
July 84.9° 62.1° 73.5° 3.19" 0.0"
August 82.7° 59.3° 71.0° 3.57" 0.0"
September 75.9° 49.7° 62.8° 3.25" 0.0"
October 61.8° 36.4° 49.1° 2.54" 0.1"
November 45.2° 23.4° 34.3° 1.31" 3.1"
December 31.4° 12.7° 22.1° 1.27" 7.3"
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
Akron city City 1.1 mi —
Chatsworth city City 5.5 mi —
Westfield city City 6.6 mi —
Richland CDP CDP 7.4 mi —
Hawarden city City 11.6 mi —
Craig city City 12.6 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 51001. • 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.