ZIP code 46321
Where is ZIP code 46321?
Munster, Indiana
Lake County · Standard ZIP code
ZIP code 46321 belongs to Munster, Indiana in Lake County. 46321 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area codes 219, 464 and 708. About 23,733 people live in the 46321 area, where the median household income is $110,187. The closest ZIP codes are 46324 (Hammond, 2 mi north), 46322 (Highland, 2.3 mi east) and 60438 (Lansing, 2.4 mi west).
| ZIP code | 46321 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Munster |
| Also accepted | Hammond |
| State | Indiana (IN) |
| County | Lake County |
| Time zone | Central Time · now |
| Area codes | 219, 464, 708 |
| Coordinates | 41.5544, -87.5011 map |
| 3-digit prefix | 463 |
Population and income in 46321
| Population | 23,733 · higher than 88% of Indiana ZIP codes |
|---|---|
| People per square mile | 3,125 · higher than 95% of Indiana ZIP codes |
| Median age | 45 years · higher than 75% of Indiana ZIP codes |
| Men / women | 50% / 51% |
| Median household income | $110,187 · higher than 94% of Indiana ZIP codes |
| Income per person | $57,382 |
| Below the poverty line | 6.0% |
| Bachelor’s degree or higher | 50% of adults 25+ |
| Median home value | $334,300 · higher than 96% of Indiana ZIP codes |
| Median rent | $1,507 a month |
| Housing units | 9,814 |
| Households | 9,471 (2.47 people on average) |
| Owners / renters | 87% / 13% |
| Land area | 7.59 sq mi (plus 0.09 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 46321. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 46321
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 46324 | Hammond, IN | 2 mi N | Standard |
| 46322 | Highland, IN | 2.3 mi E | Standard |
| 60438 | Lansing, IL | 2.4 mi W | Standard |
| 46323 | Hammond, IN | 3.4 mi NE | Standard |
| 46320 | Hammond, IN | 3.9 mi N | Standard |
| 46319 | Griffith, IN | 4.3 mi E | Standard |
| 46311 | Dyer, IN | 4.3 mi S | Standard |
| 46375 | Schererville, IN | 4.8 mi SE | Standard |
| 60409 | Calumet City, IL | 4.9 mi NW | Standard |
| 46406 | Gary, IN | 5.4 mi NE | Standard |
| 46327 | Hammond, IN | 5.4 mi N | Standard |
| 60411 | Chicago Heights, IL | 5.6 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 46321 or measure the distance to another ZIP code.
How to address mail to 46321
123 MAIN ST
MUNSTER IN 46321
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts HAMMOND as the city name for 46321. Adding the 4-digit ZIP+4 code (46321-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 46321?
- 46321 is a Munster, Indiana ZIP code. Hammond is also accepted as the city name.
- What county is 46321 in?
- ZIP code 46321 is in Lake County, Indiana.
- What time zone is ZIP code 46321 in?
- 46321 is in the Central Time zone (America/Chicago).
- What area code is 46321?
- Phone numbers in ZIP code 46321 use area codes 219, 464 and 708.
- What is the population of ZIP code 46321?
- About 23,733 people live in ZIP code 46321, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 46321?
- The median household income in 46321 is $110,187 a year, higher than 94% of Indiana ZIP codes.
- What ZIP codes are near 46321?
- The nearest ZIP codes to 46321 are 46324 (Hammond, 2 miles), 46322 (Highland, 2.3 miles), 60438 (Lansing, 2.4 miles) and 46323 (Hammond, 3.4 miles).