Zip Code Database List
Account Login
Find ZIP+4 of Address

Find the ZIP Code, County, and +4 of any U.S. Address

FREE ZIP Code Finder

Find info on any U.S. ZIP Code

Other FREE Lookups

Lookup ZIP Code of any City, State, County or Area Code

FREE Radius Search

Find all ZIP Codes

FREE Distance Calc

Calculate the distance between two U.S. or Canadian ZIP codes.

ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Lockport, IL

Lockport, IL Covers 3 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 60441StandardWill36,869815 / 630 / 708
ZIP Code 60446StandardWill39,807815
ZIP Code 60491StandardWill22,743331

Timezone(s):Central (GMT -06:00)
Counties:WILL, IL
Population:24,839 (More Details)
Male Population:12,252
Female Population:12,587
Median Age:34
ZIP Codes:3
Area Codes:4
Total Area:849 square miles (county)
Land Area:837 square miles (county)
Water Area:12 square miles (county)

Lockport, IL Demographic Information *

Total population24,839
Male population12,252
Female population12,587
Median age (years)34.1
White Population23,237
Black Population350
Indian Population37
Asian Population334
Hawaiian Population7
Hispanic Population2,025
Median age (Male)33.4
Median age (Female)34.8
Total households8,857
Family households (families)6,510
Average household size2.79
Average family size3.3
Total housing units9,252
* Demographic data is based on 2010 Census.

Lockport, IL Other Information

  • Located in WILL County, Illinois
  • Lockport, IL is also known as:

189 Cities within 30 miles of Lockport, IL Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],