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ZIP Code 61031, Illinois

ZIP Code 61031 profile, demographic data, and geographic information.

ZCTA5 61031 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 1,492. The land area covers 44.93 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 1,492 ±213 2020-2024 / Census ACS 5-Year 2024
Median Age 49.9 yrs ±6.2 2020-2024 / Census ACS 5-Year 2024
Total Households 607 ±93 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 652 ±98
Occupied Housing Units 607 ±93
Vacant Housing Units 45 ±27
Median Home Value $136,700 ±$24,312
Median Gross Rent $823 ±$88
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $75,446 ±$18,500
Per Capita Income $35,828 ±$5,228
Poverty Rate 8.2% ±3.7%
Population Below Poverty Level 114 ±54
Unemployment Rate 0.8% ±0.9%
Civilian Labor Force, Employed 639 ±117
Broadband Internet Rate 79.9% ±16.3%
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
Regular School Nearby PK-05 Polo, IL
Regular School Nearby 02-03 Rochelle, IL
Special Education School Nearby KG-12 Chana, IL
Regular School Nearby 09-12 Dixon, 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 14.2 mi away 173 Illinois Rt 2, Dixon, IL, 61021-9112
8152885511
FRANKLIN GROVE PUBLIC LIBRARY
Library 1.3 mi away 112 SOUTH ELM STREET, FRANKLIN GROVE, IL, 61031
(815) 456-2823
Educators of Beauty College of Cosmetology-Sterling
College Vocational 19.3 mi away 211 E Third St, Sterling, IL, 61081-3611
8156250247
MILLS & PETRIE MEMORIAL LIBRARY AND GYMNASIUM
Library 5.7 mi away 704 NORTH FIRST STREET, ASHTON, IL, 61006
(815) 453-2213
Kishwaukee College
College 23.9 mi away 21193 Malta Rd, Malta, IL, 60150-9699
8158252086
PANKHURST MEMORIAL LIBRARY
Library 8.0 mi away 3 SOUTH JEFFERSON AVENUE, AMBOY, IL, 61310
(815) 857-3925
DIXON PUBLIC LIBRARY
Library 8.4 mi away 221 SOUTH HENNEPIN AVENUE, DIXON, IL, 61021
(815) 284-7261
OREGON PUBLIC LIBRARY DISTRICT
Library 12.7 mi away 300 JEFFERSON STREET, OREGON, IL, 61061
(815) 732-2724
FLAGG-ROCHELLE PUBLIC LIBRARY DISTRICT
Library 14.5 mi away 619 FOURTH AVENUE, ROCHELLE, IL, 61068
(815) 562-3431
MOUNT MORRIS PUBLIC LIBRARY
Library 16.1 mi away 105 SOUTH MCKENDRIE AVENUE, MOUNT MORRIS, IL, 61054
(815) 734-4927
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 9.9 miles from ZCTA5 61031. 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
Franklin Grove village Village 1.4 mi —
Nachusa CDP CDP 3.3 mi —
Ashton village Village 5.7 mi —
Lee Center CDP CDP 6.0 mi —
Lost Nation CDP CDP 6.2 mi —
Grand Detour CDP CDP 6.8 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 61031. • 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.