Skip to main content

ZIP Code 62305, Illinois

ZIP Code 62305 profile, demographic data, and geographic information.

ZCTA5 62305 is a 5-digit ZIP Code area located in Adams County, Illinois. As of official census estimates, it has a reported population of 19,036. The land area covers 139.25 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 19,036 ±832 2020-2024 / Census ACS 5-Year 2024
Median Age 46.4 yrs ±2 2020-2024 / Census ACS 5-Year 2024
Total Households 7,990 ±444 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 8,405 ±396
Occupied Housing Units 7,990 ±444
Vacant Housing Units 415 ±205
Median Home Value $213,600 ±$10,353
Median Gross Rent $926 ±$67
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $83,598 ±$4,315
Per Capita Income $45,435 ±$3,062
Poverty Rate 7.2% ±2.2%
Population Below Poverty Level 1,357 ±422
Unemployment Rate 1.8% ±1.2%
Civilian Labor Force, Employed 9,758 ±618
Broadband Internet Rate 88.3% ±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: 64,109 (2024)
ID: 194541
County Official County Government
Contact: COUNTY CLERK
507 VERMONT ST, QUINCY IL 62301-2920

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Alternative School Nearby 07-12 Quincy, IL
Alternative School Nearby 05-12 Quincy, IL
Alternative School Nearby 07-12 Quincy, IL
Regular School Nearby PK-06 CANTON, MO
Regular School Nearby 07-12 CANTON, MO
Regular School Nearby 01-04 Camp Point, IL
Regular School Nearby KG-05 Quincy, IL
Regular School Nearby KG-05 Quincy, IL
Regular School Nearby PK Hannibal, MO
Regular School Nearby PK-KG Quincy, 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
John Wood Community College
College 1.1 mi away 1301 S 48th Street, Quincy, IL, 62305-8736
2172246500
QUINCY PUBLIC LIBRARY
Library 3.4 mi away 526 JERSEY STREET, QUINCY, IL, 62301
(217) 223-1309
Blessing Rieman College of Nursing and Health Sciences
College 1.7 mi away 3609 North Marx Drive, Quincy, IL, 62305-7005
21722855206905
LAGRANGE LIBRARY
Library 11.3 mi away 114 S MAIN ST, LAGRANGE, MO, 63448
(573) 655-2288
Quincy University
College 2.4 mi away 1800 College Ave, Quincy, IL, 62301-2699
2172228020
FOUR STAR PUBLIC LIBRARY DISTRICT
Library 11.5 mi away 132 WEST SOUTH STREET, MENDON, IL, 62351
(217) 936-2131
Gem City College
College Vocational 3.2 mi away 700 State St, Quincy, IL, 62301
2172220391
MARION COUNTY LIBRARY SUB-DISTRICT #1
Library 13.1 mi away 212 S. MAIN ST., PALMYRA, MO, 63461
(573) 769-2830
Hannibal-LaGrange University
College 14.0 mi away 2800 Palmyra Rd, Hannibal, MO, 63401
5732213675
HANNIBAL FREE PUBLIC LIBRARY
Library 15.3 mi away 200 S FIFTH ST, HANNIBAL, MO, 63401
(573) 221-0222
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 QUINCY DAM 21, IL US, located 4.8 miles from ZCTA5 62305. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 35.1° 18.9° 27.0° 1.66" —
February 40.4° 22.7° 31.6° 1.91" —
March 51.8° 32.0° 41.9° 2.48" —
April 64.4° 42.9° 53.6° 4.22" —
May 74.1° 54.2° 64.1° 4.80" —
June 83.4° 63.9° 73.6° 4.12" —
July 87.2° 67.6° 77.4° 3.64" —
August 85.6° 65.7° 75.7° 3.33" —
September 78.9° 57.1° 68.0° 3.37" —
October 66.6° 45.4° 56.0° 2.65" —
November 52.5° 33.8° 43.2° 2.57" —
December 40.2° 24.5° 32.3° 1.73" —
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
Quincy city City 1.9 mi —
Burton CDP CDP 5.2 mi —
Bloomfield CDP CDP 6.5 mi —
Fowler CDP CDP 7.2 mi —
Adams CDP CDP 8.6 mi —
Payson village Village 9.3 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 62305. • 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.