Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/IL/LOCKPORT

Lockport ZIP code, Illinois

The ZIP code for Lockport, IL is 60441, and its area codes are 815 and 779.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
26,409
Area codes
815, 779

Mail addressed to Lockport uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Lockport in numbers

About 26,409 people live in Lockport, in 9,903 households. The median household income is $111,981 a year, 34% above the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $316,000 (20% above the Illinois median), and median gross rent is $1,525 a month. The median age is 38.5; 44.5% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 35 minutes.

Population26,409Lockport26,409
Households9,903Lockport9,903
Median age38.5Lockport38.5Illinois39.0US 38.9
Median household income$111,981Lockport$111,981Illinois$83,390US $80,734
Median home value$316,000Lockport$316,000Illinois$263,300US $332,700
Median gross rent$1,525Lockport$1,525Illinois$1,274US $1,413
Bachelor's degree or higher44.5%Lockport44.5%Illinois37.8%US 35.7%
Mean commute35.3 minLockport35.3 minIllinois27.8 minUS 26.4 min
Population density2,249 / sq miLockport2,249 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Lockport city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Lockport

ZIP codes with the USPS city name Lockport
ZIP City Type Population Median income Median home
60441 Lockport , IL Standard 36,844 $103,374 $297,300

Other ZIP codes overlapping Lockport

These ZIP codes cover part of Lockport but are addressed as somewhere else.

ZIP codes overlapping Lockport
ZIP City Type Population Median income Median home
60491 Homer Glen , IL Standard 22,757 $138,571 $424,700

Map of Lockport ZIP codes

60441

The ZIP codes of Lockport, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Lockport

The nearest larger towns are Romeoville (41,152 people, 4.5 mi), New Lenox (28,006 people, 6.4 mi) and Bolingbrook (74,096 people, 7.7 mi).

Towns near Lockport
TownPopulationDistance
Fairmont 2,617 2.5 mi
Ridgewood 2,795 4.0 mi
Homer Glen 24,529 4.1 mi
Crest Hill 20,628 4.5 mi
Romeoville 41,152 4.5 mi
Ingalls Park 3,015 4.9 mi
Lemont 17,820 5.8 mi
New Lenox 28,006 6.4 mi
Rockdale 2,553 7.7 mi
Bolingbrook 74,096 7.7 mi
Joliet 150,445 8.0 mi
Orland Park 57,916 8.9 mi
Mokena 20,021 8.9 mi
Orland Hills 6,719 9.7 mi

More nearby: every ZIP code in Will County · Illinois ZIP codes

Cite this page

zipcodes.pro. “Lockport, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/lockport

Underlying data is public domain or openly licensed — sources, vintages and licences.