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/IN/MERRILLVILLE

Merrillville ZIP codes, Indiana

Merrillville, IN has 2 ZIP codes (46410 and 46411) and area code 219. The largest is 46410.

USPS city name
2 ZIP codes
Overlapping the city
2 more
Population
36,476
Area code
219
State
Indiana

Mail addressed to Merrillville uses the ZIP codes above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Merrillville in numbers

About 36,476 people live in Merrillville, in 15,487 households, the 26th-largest of Indiana's 794 census places. The median household income is $67,587 a year, 6% below the Indiana median of $71,957 (US: $80,734). The median owner-occupied home is valued at $211,400 (3% below the Indiana median), and median gross rent is $1,282 a month. The median age is 42.4; 26.1% of adults 25 and over hold a bachelor's degree or higher (29.5% across Indiana); the average commute takes 32 minutes.

Population36,476Merrillville36,476
Households15,487Merrillville15,487
Median age42.4Merrillville42.4Indiana38.1US 38.9
Median household income$67,587Merrillville$67,587Indiana$71,957US $80,734
Median home value$211,400Merrillville$211,400Indiana$218,200US $332,700
Median gross rent$1,282Merrillville$1,282Indiana$1,062US $1,413
Bachelor's degree or higher26.1%Merrillville26.1%Indiana29.5%US 35.7%
Mean commute32.1 minMerrillville32.1 minIndiana24.1 minUS 26.4 min
Population density1,098 / sq miMerrillville1,098 / sq mi

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

ZIP codes addressed as Merrillville

ZIP codes with the USPS city name Merrillville
ZIP City Type Population Median income Median home
46410 Merrillville , IN Standard 39,243 $64,127 $208,100
46411 Merrillville , IN No street area — — —

Other ZIP codes overlapping Merrillville

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

ZIP codes overlapping Merrillville
ZIP City Type Population Median income Median home
46307 Crown Point , IN Standard 71,673 $107,800 $324,100
46342 Hobart , IN Standard 32,224 $75,521 $213,000

Map of Merrillville ZIP codes

The ZIP codes of Merrillville, IN, 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 Merrillville

The nearest larger towns are Gary (68,113 people, 8.3 mi), Portage (38,082 people, 11 mi) and Hammond (76,768 people, 14 mi).

Towns near Merrillville
TownPopulationDistance
Hobart 29,558 3.6 mi
Crown Point 34,393 4.6 mi
Winfield 7,816 5.1 mi
Schererville 29,701 6.5 mi
Griffith 16,273 6.7 mi
Lakes of the Four Seasons 7,402 6.9 mi
Lake Station 13,185 7.9 mi
St. John 22,567 8.0 mi
Gary 68,113 8.3 mi
Shorewood Forest 3,263 8.8 mi
Highland 23,680 8.8 mi
Cedar Lake 15,295 9.4 mi
Dyer 16,400 10.0 mi
South Haven 7,241 10.3 mi

More nearby: every ZIP code in Lake County · Indiana ZIP codes

Cite this page

zipcodes.pro. “Merrillville, IN ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/in/merrillville

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