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ZIP Code 66521, Kansas

ZIP Code 66521 profile, demographic data, and geographic information.

ZCTA5 66521 is a 5-digit ZIP Code area located in Nemaha County / Pottawatomie County, Kansas. As of official census estimates, it has a reported population of 1,417. The land area covers 177.63 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 1,417 ±246 2020-2024 / Census ACS 5-Year 2024
Median Age 42.8 yrs ±5.7 2020-2024 / Census ACS 5-Year 2024
Total Households 542 ±107 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 645 ±116
Occupied Housing Units 542 ±107
Vacant Housing Units 103 ±48
Median Home Value $193,000 ±$29,356
Median Gross Rent $982 ±$195
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $61,250 ±$21,033
Per Capita Income $32,566 ±$3,536
Poverty Rate 13.4% ±6.2%
Population Below Poverty Level 181 ±90
Unemployment Rate 1.7% ±1.8%
Civilian Labor Force, Employed 625 ±143
Broadband Internet Rate 80.4% ±4.9%
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
COUNTY OF NEMAHA
GUS Population: 10,062 (2024)
ID: 212013
County Official County Government
Contact: CHAIRMAN
PO BOX 186, SENECA KS 66538-0186

Education

Listing 6 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-05 Onaga, KS
Regular School Nearby 06-08 Onaga, KS
Regular School Nearby 09-12 Onaga, KS
Regular School Nearby 09-12 St George, KS
Regular School Nearby 05-08 St. George, KS
Regular School Nearby PK-04 Westmoreland, KS
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
ONAGA BRANCH LIBRARY
Library 3.4 mi away 313 LEONARD, ONAGA, KS, 66521
(785) 889-4531
WESTMORELAND MINI LIBRARY
Library 11.2 mi away 315 MAIN, WESTMORELAND, KS, 66549
(785) 457-2841
CORNING CITY LIBRARY
Library 16.7 mi away 6221 5TH ST., CORNING, KS, 66417
(785) 868-2755
VERMILLION PUBLIC LIBRARY
Library 17.1 mi away 102 1/2 MAIN STREET, VERMILLION, KS, 66544
(785) 382-6227
CENTRALIA COMMUNITY LIBRARY
Library 18.3 mi away 520 4TH STREET, CENTRALIA, KS, 66415
(785) 857-3331
FRANKFORT CITY LIBRARY
Library 18.9 mi away 104 E. SECOND ST, FRANKFORT, KS, 66427
(785) 292-4320
WAMEGO PUBLIC LIBRARY
Library 19.0 mi away 431 LINCOLN AVENUE, WAMEGO, KS, 66547
(785) 456-9181
OLSBURG MINI LIBRARY
Library 20.8 mi away 318 N. 2ND, OLSBURG, KS, 66520
(785) 468-3347
POTTAWATOMIE WABAUNSEE REGIONAL LIBRARY
Library 20.8 mi away 306 N. 5TH STREET, ST. MARYS, KS, 66536
(785) 437-2778
WETMORE PUBLIC LIBRARY
Library 24.9 mi away 328 2ND ST., WETMORE, KS, 66550
(785) 866-2250
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 CENTRALIA, KS US, located 18.4 miles from ZCTA5 66521. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 37.8° 17.1° 27.4° 0.84" 9.5"
February 43.1° 20.7° 31.9° 1.14" 6.8"
March 54.6° 30.4° 42.5° 2.13" 5.2"
April 65.6° 41.2° 53.4° 3.34" 1.7"
May 75.0° 53.4° 64.2° 5.08" 0.1"
June 84.2° 63.4° 73.8° 4.62" 0.0"
July 89.1° 67.2° 78.2° 5.50" 0.0"
August 87.2° 64.6° 75.9° 4.30" 0.0"
September 79.9° 56.1° 68.0° 3.77" 0.0"
October 68.0° 43.8° 55.9° 2.44" 0.8"
November 53.2° 31.1° 42.2° 1.52" 3.6"
December 40.9° 21.9° 31.4° 1.23" 5.7"
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
Onaga city City 3.4 mi —
Wheaton city City 5.2 mi —
Havensville city City 8.6 mi —
Westmoreland city City 11.2 mi —
Emmett city City 14.5 mi —
Soldier city City 14.8 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 66521. • 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.