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ZIP Code 61081, Illinois

ZIP Code 61081 profile, demographic data, and geographic information.

ZCTA5 61081 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 20,844. The land area covers 124.39 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 20,844 ±502 2020-2024 / Census ACS 5-Year 2024
Median Age 43.3 yrs ±1.7 2020-2024 / Census ACS 5-Year 2024
Total Households 8,884 ±346 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 9,829 ±319
Occupied Housing Units 8,884 ±346
Vacant Housing Units 945 ±251
Median Home Value $123,400 ±$6,907
Median Gross Rent $870 ±$50
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $67,586 ±$6,117
Per Capita Income $38,370 ±$3,102
Poverty Rate 12.2% ±2.7%
Population Below Poverty Level 2,494 ±562
Unemployment Rate 4.1% ±1.3%
Civilian Labor Force, Employed 10,226 ±519
Broadband Internet Rate 87.7% ±2.7%
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
Regular School Nearby 06-08 Polo, IL
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 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
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 4.9 mi away 211 E Third St, Sterling, IL, 61081-3611
8156250247
STERLING PUBLIC LIBRARY
Library 4.8 mi away 102 WEST THIRD STREET, STERLING, IL, 61081
(815) 625-1370
Sauk Valley Community College
College 7.7 mi away 173 Illinois Rt 2, Dixon, IL, 61021-9112
8152885511
ROCK FALLS PUBLIC LIBRARY DISTRICT
Library 5.8 mi away 1007 SEVENTH AVENUE, ROCK FALLS, IL, 61071
(815) 626-3958
Morrison Institute of Technology
College 12.2 mi away 701 Portland Ave, Morrison, IL, 61270-2959
8157727218201
MILLEDGEVILLE PUBLIC LIBRARY
Library 8.1 mi away 18 WEST FIFTH STREET, MILLEDGEVILLE, IL, 61051
(815) 225-7572
ODELL PUBLIC LIBRARY
Library 12.1 mi away 307 SOUTH MADISON STREET, MORRISON, IL, 61270
(815) 772-7323
POLO PUBLIC LIBRARY DISTRICT
Library 12.5 mi away 302 WEST MASON STREET, POLO, IL, 61064
(815) 946-2713
DIXON PUBLIC LIBRARY
Library 13.2 mi away 221 SOUTH HENNEPIN AVENUE, DIXON, IL, 61021
(815) 284-7261
CHADWICK PUBLIC LIBRARY DISTRICT
Library 13.7 mi away 110 MAIN STREET, CHADWICK, IL, 61014
(815) 684-5215
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 DIXON 1W, IL US, located 11.7 miles from ZCTA5 61081. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 29.0° 13.6° 21.3° 1.97" 13.0"
February 33.6° 17.3° 25.5° 1.81" 5.7"
March 46.3° 28.3° 37.3° 2.63" 4.5"
April 59.9° 38.8° 49.4° 3.98" 0.6"
May 71.0° 50.7° 60.9° 4.82" 0.0"
June 79.8° 60.7° 70.2° 5.59" 0.0"
July 82.7° 64.3° 73.5° 4.29" 0.0"
August 81.4° 62.4° 71.9° 4.19" 0.0"
September 75.3° 53.8° 64.6° 3.69" 0.0"
October 62.8° 42.0° 52.4° 2.96" 0.0"
November 47.6° 30.5° 39.0° 2.43" 1.8"
December 34.5° 20.1° 27.3° 2.17" 5.6"
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
Sterling city City 4.1 mi —
Galt CDP CDP 4.3 mi —
Coleta village Village 4.8 mi —
Como CDP CDP 5.9 mi —
Rock Falls city City 5.9 mi —
Nelson village Village 7.7 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 61081. • 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.