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ZIP Code 61243, Illinois

ZIP Code 61243 profile, demographic data, and geographic information.

ZCTA5 61243 is a 5-digit ZIP Code area located in Lee County / Whiteside County, Illinois. As of official census estimates, it has a reported population of 155. The land area covers 25.67 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 155 ±94 2020-2024 / Census ACS 5-Year 2024
Median Age 49.8 yrs ±4.2 2020-2024 / Census ACS 5-Year 2024
Total Households 59 ±34 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 71 ±36
Occupied Housing Units 59 ±34
Vacant Housing Units 12 ±15
Median Home Value $172,700 ±$75,379
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 $148,309 ±$38,019
Per Capita Income $62,448 ±$12,320
Poverty Rate 2.6% ±3.5%
Population Below Poverty Level 4 ±6
Unemployment Rate 6.9% ±8.2%
Civilian Labor Force, Employed 108 ±81
Broadband Internet Rate 79.7% ±25.6%
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: 33,544 (2024)
ID: 201615
County Official County Government
Contact: LEE COUNTY TREASURER
PO BOX 328, DIXON IL 61021-0328

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Special Education School Nearby M Morrison, IL
Special Education School Nearby M Morrison, IL
Special Education School Nearby M Morrison, IL
Special Education School Nearby M Sterling, IL
Special Education School Nearby M Sterling, IL
Special Education School Nearby M Sterling, IL
Special Education School Nearby M Rock Falls, IL
Special Education School Nearby M Sterling, IL
Regular School Nearby 03-08 Manlius, IL
Regular School Nearby 09-12 Sheffield, IL
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Educators of Beauty College of Cosmetology-Sterling
College Vocational 11.8 mi away 211 E Third St, Sterling, IL, 61081-3611
8156250247
WALNUT PUBLIC LIBRARY DISTRICT
Library 6.1 mi away 101 HEATON STREET, WALNUT, IL, 61376
(815) 379-2159
Sauk Valley Community College
College 14.4 mi away 173 Illinois Rt 2, Dixon, IL, 61021-9112
8152885511
ROCK FALLS PUBLIC LIBRARY DISTRICT
Library 10.7 mi away 1007 SEVENTH AVENUE, ROCK FALLS, IL, 61071
(815) 626-3958
Morrison Institute of Technology
College 19.3 mi away 701 Portland Ave, Morrison, IL, 61270-2959
8157727218201
STERLING PUBLIC LIBRARY
Library 11.8 mi away 102 WEST THIRD STREET, STERLING, IL, 61081
(815) 625-1370
OHIO PUBLIC LIBRARY DISTRICT
Library 12.0 mi away 112 NORTH MAIN STREET, OHIO, IL, 61349
(815) 376-5422
HENRY C. ADAMS MEMORIAL LIBRARY
Library 13.9 mi away 209 WEST THIRD STREET, PROPHETSTOWN, IL, 61277
(309) 714-2699
RAYMOND A. SAPP MEMORIAL TOWNSHIP LIBRARY
Library 18.2 mi away 103 EAST MAIN STREET, WYANET, IL, 61379
(815) 699-2342
MINERAL-GOLD PUBLIC LIBRARY DISTRICT
Library 18.3 mi away 120 EAST MAIN STREET, MINERAL, IL, 61344
(309) 288-3971
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 WALNUT, IL US, located 5.6 miles from ZCTA5 61243. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 29.3° 12.9° 21.1° 1.52" 12.7"
February 33.9° 17.0° 25.4° 1.73" 8.4"
March 46.9° 28.0° 37.5° 2.22" 4.7"
April 60.5° 38.6° 49.5° 3.35" 0.6"
May 71.7° 50.6° 61.1° 4.63" 0.0"
June 80.6° 60.3° 70.5° 4.93" 0.0"
July 83.3° 63.4° 73.4° 3.94" 0.0"
August 81.5° 61.1° 71.3° 3.83" 0.0"
September 76.0° 52.9° 64.4° 3.40" 0.0"
October 63.2° 41.0° 52.1° 2.97" 0.2"
November 47.7° 29.7° 38.7° 2.33" 2.0"
December 35.0° 19.1° 27.1° 1.99" 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
Deer Grove village Village 0.7 mi —
Tampico village Village 5.6 mi —
Walnut village Village 6.2 mi —
New Bedford village Village 7.7 mi —
Harmon village Village 9.7 mi —
Rock Falls city City 10.6 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 61243. • 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.