ZIP Code 46321, Indiana
ZIP Code 46321 profile, demographic data, and geographic information.
ZCTA5 46321 is a 5-digit ZIP Code area located in Lake County, Indiana. As of official census estimates, it has a reported population of 23,733. The land area covers 7.59 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 23,733 | ±62 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 45 yrs | ±1.6 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 9,471 | ±347 | 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 | 9,814 | ±393 |
| Occupied Housing Units | 9,471 | ±347 |
| Vacant Housing Units | 343 | ±141 |
| Median Home Value | $334,300 | ±$11,282 |
| Median Gross Rent | $1,507 | ±$365 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $110,187 | ±$11,660 |
| Per Capita Income | $57,382 | ±$4,989 |
| Poverty Rate | 6% | ±1.9% |
| Population Below Poverty Level | 1,404 | ±448 |
| Unemployment Rate | 5.5% | ±1.8% |
| Civilian Labor Force, Employed | 11,749 | ±551 |
| Broadband Internet Rate | 90.8% | ±2.5% |
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: 502,955 (2024)
ID: 163440
|
County | Official County Government |
Contact: COMMISSIONERS CONSULTANT
2293 N MAIN ST, CROWN POINT IN 46307-1867
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | KG-12 | Gary, IN | |
| Regular School Nearby | KG-03 | Park Forest, IL | |
| Regular School Nearby | 09-12 | Palos Heights, IL | |
| Special Education School Nearby | M | Burbank, IL | |
| Alternative School Nearby | 03-08 | Blue Island, IL | |
| Special Education School Nearby | M | South Holland, IL | |
| Regular School Nearby | KG-06 | East Chicago, IN | |
| Regular School Nearby | PK-06 | Hammond, IN | |
| Special Education School Nearby | M | Chicago Heights, IL | |
| Special Education School Nearby | M | Dolton, 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 |
|---|---|---|---|---|
|
Tricoci University of Beauty Culture-Highland
|
College Vocational | 2.0 mi away | 2549 Highway Ave, Highland, IN, 46322 |
6305283330
|
|
MUNSTER BRANCH
|
Library | 0.6 mi away | 8701 CALUMET AVENUE, MUNSTER, IN, 46321 |
(219) 836-2450
|
|
Purdue University Northwest
|
College | 3.0 mi away | 2200 169th Street, Hammond, IN, 46323 |
2199892400
|
|
HIGHLAND BRANCH LIBRARY
|
Library | 2.4 mi away | 2841 JEWETT AVENUE, HIGHLAND, IN, 46322 |
(219) 838-2394
|
|
Lil Lou's Beauty and Barber College-Hammond
|
College Vocational | 4.5 mi away | 5625 Hohman Avenue, Hammond, IN, 46320-1954 |
2195543993
|
|
LANSING PUBLIC LIBRARY
|
Library | 2.7 mi away | 2750 INDIANA AVENUE, LANSING, IL, 60438 |
(708) 474-2447
|
|
Trenz Beauty Academy
|
College Vocational | 4.9 mi away | 695 Wentworth Avenue, Calumet City, IL, 60409 |
7088320000
|
|
GLENWOOD-LYNWOOD PUBLIC LIBRARY DISTRICT
|
Library | 3.9 mi away | 19901 STONY ISLAND AVENUE, LYNWOOD, IL, 60411 |
(708) 758-0090
|
|
Don Roberts School of Hair Design
|
College Vocational | 5.2 mi away | 152 East US Route 30, Schererville, IN, 46375 |
2198641600
|
|
DYER-SCHERERVILLE BRANCH
|
Library | 4.2 mi away | 1001 WEST LINCOLN HIGHWAY, SCHERERVILLE, IN, 46375 |
(219) 322-4731
|
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 PARK FOREST, IL US, located 9.8 miles from ZCTA5 46321. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 31.1° | 15.2° | 23.2° | 2.49" | 10.2" |
| February | 35.2° | 18.4° | 26.8° | 2.15" | 7.5" |
| March | 46.4° | 28.1° | 37.2° | 2.65" | 4.9" |
| April | 59.3° | 38.3° | 48.8° | 4.02" | 0.5" |
| May | 70.6° | 49.3° | 60.0° | 4.57" | 0.0" |
| June | 80.2° | 58.9° | 69.5° | 4.91" | 0.0" |
| July | 83.9° | 63.8° | 73.9° | 4.73" | 0.0" |
| August | 82.0° | 62.0° | 72.0° | 4.02" | 0.0" |
| September | 75.8° | 54.6° | 65.2° | 3.44" | 0.0" |
| October | 63.1° | 42.4° | 52.8° | 3.65" | 0.2" |
| November | 48.2° | 31.4° | 39.8° | 3.00" | 0.9" |
| December | 36.3° | 21.5° | 28.9° | 2.47" | 4.0" |
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 |
|---|---|---|---|
| Munster town | Town | 0.0 mi | — |
| Highland town | Town | 2.4 mi | — |
| Lansing village | Village | 2.5 mi | — |
| Lynwood village | Village | 2.9 mi | — |
| Dyer town | Town | 3.4 mi | — |
| Calumet City city | City | 3.8 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 46321. • Official Source Dataset →
- 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.
- 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.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.