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ZIP Code 61021, Illinois

ZIP Code 61021 profile, demographic data, and geographic information.

ZCTA5 61021 is a 5-digit ZIP Code area located in Lee County / Ogle County, Illinois. As of official census estimates, it has a reported population of 22,308. The land area covers 150.06 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 22,308 ±498 2020-2024 / Census ACS 5-Year 2024
Median Age 43.4 yrs ±1.2 2020-2024 / Census ACS 5-Year 2024
Total Households 8,838 ±313 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 10,010 ±272
Occupied Housing Units 8,838 ±313
Vacant Housing Units 1,172 ±270
Median Home Value $148,500 ±$8,625
Median Gross Rent $879 ±$77
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $69,127 ±$3,592
Per Capita Income $35,761 ±$2,293
Poverty Rate 13.7% ±2.7%
Population Below Poverty Level 2,739 ±537
Unemployment Rate 5.1% ±1.7%
Civilian Labor Force, Employed 9,351 ±528
Broadband Internet Rate 86.3% ±2.3%
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 PK-04 Amboy, IL
Regular School Nearby 09-12 Amboy, IL
Regular School Nearby 05-08 Amboy, IL
Regular School Nearby 06-08 Polo, IL
Regular School Nearby PK-06 Franklin Grove, IL
Regular School Nearby 07-12 Ashton, 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
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Sauk Valley Community College
College 6.2 mi away 173 Illinois Rt 2, Dixon, IL, 61021-9112
8152885511
DIXON PUBLIC LIBRARY
Library 0.9 mi away 221 SOUTH HENNEPIN AVENUE, DIXON, IL, 61021
(815) 284-7261
Educators of Beauty College of Cosmetology-Sterling
College Vocational 11.5 mi away 211 E Third St, Sterling, IL, 61081-3611
8156250247
FRANKLIN GROVE PUBLIC LIBRARY
Library 9.2 mi away 112 SOUTH ELM STREET, FRANKLIN GROVE, IL, 61031
(815) 456-2823
PANKHURST MEMORIAL LIBRARY
Library 11.1 mi away 3 SOUTH JEFFERSON AVENUE, AMBOY, IL, 61310
(815) 857-3925
STERLING PUBLIC LIBRARY
Library 11.7 mi away 102 WEST THIRD STREET, STERLING, IL, 61081
(815) 625-1370
ROCK FALLS PUBLIC LIBRARY DISTRICT
Library 12.0 mi away 1007 SEVENTH AVENUE, ROCK FALLS, IL, 61071
(815) 626-3958
POLO PUBLIC LIBRARY DISTRICT
Library 12.1 mi away 302 WEST MASON STREET, POLO, IL, 61064
(815) 946-2713
MILLS & PETRIE MEMORIAL LIBRARY AND GYMNASIUM
Library 13.3 mi away 704 NORTH FIRST STREET, ASHTON, IL, 61006
(815) 453-2213
OREGON PUBLIC LIBRARY DISTRICT
Library 14.7 mi away 300 JEFFERSON STREET, OREGON, IL, 61061
(815) 732-2724
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 1.9 miles from ZCTA5 61021. 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
Dixon city City 1.0 mi —
Nachusa CDP CDP 4.7 mi —
Grand Detour CDP CDP 5.9 mi —
Nelson village Village 7.1 mi —
Lost Nation CDP CDP 8.0 mi —
Harmon village Village 8.3 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 61021. • 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.