Zip Code 46312
East Chicago, Indiana — Lake County
📍 ZIP code 46312 is in East Chicago, Lake County, Indiana.
ZIP code 46312 is located in East Chicago, Lake County, Indiana. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 26,158. The area code for ZIP code 46312 is 317.
Quick Answer
Zip code 46312 is in East Chicago, Indiana (Lake County). It has a population of 26,158, median household income of $41,071, and median home value of $92,400.
Population
26,158
Income
$41,071
Home Value
$92,400
Climate
84°F / 15°F
About Zip Code 46312
Zip code 46312 is located in East Chicago, Indiana, within Lake County. Home to approximately 26,158 residents, this area sits at an elevation of 588 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 317.
The median household income is $41,071 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $92,400, and the cost of living index is 60 (40% below the national average of 100).
Summers average a high of 84°F while winters drop to 15°F. The area receives about 42 in of rain and 28 in of snow annually. The zip code covers 14 square miles of land area and 0.3 square miles of water.
Key Statistics
26,158
$41,071
$92,400
Eastern (EST/EDT)
317
588 ft
14 sq mi
36.5
12,429
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Compare With Nearby Zip Codes
| Metric | 46312 | 46327 | 46394 | 46406 | 46323 | 46320 |
|---|---|---|---|---|---|---|
| City | East Chicago, IN | Hammond, IN | Whiting, IN | Gary, IN | Hammond, IN | Hammond, IN |
| Population | 26,158 | 10,797 | 12,141 | 8,513 | 23,184 | 14,097 |
| Median Income | $41,071 | $50,457 | $66,386 | $35,631 | $56,906 | $35,706 |
| Home Value | $92,400 | $116,900 | $162,900 | $86,300 | $149,200 | $115,300 |
| Cost of Living | 60 | 60 | 68 | 60 | 60 | 60 |
| Median Age | 36.5 | 35 | 40.1 | 32.4 | 36.9 | 35.2 |
Cost of Living
100 = National Average. East Chicago's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.2x
Demographics
Zip code 46312 has a population of 26,158 people with a median age of 36.5. There are 12,429 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
East Chicago (46312) population trend from 2010 to 2024
↑ 48.5%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
84°F
15°F
42 in
28 in
East Chicago experiences warm summers with average highs around 84°F. Winters are cold with lows averaging 15°F. The area receives about 28 in of snow per year.
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Housing & Economy
Median Home Value
$92,400
Median Household Income
$41,071
With 12,429 housing units across 14 square miles, 46312 has a housing density of 888 units per square mile. The home price-to-income ratio is 2.2x.
Location & Geography
Latitude
41.6470°
Longitude
-87.4540°
Land Area
14 sq mi
Water Area
0.3 sq mi
Nearby Zip Codes
Zip codes closest to 46312 (East Chicago, IN) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 46312's $41,071. A way to compare East Chicago to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 46312 (East Chicago, IN). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is East Chicago, Indiana?
East Chicago, Indiana uses zip code 46312.
What county is zip code 46312 in?
Zip code 46312 is located in Lake County, Indiana.
What is the population of zip code 46312?
The population of zip code 46312 is 26,158 with a median age of 36.5.
Is 46312 in East Chicago, Indiana?
Yes, zip code 46312 is in East Chicago, Lake County, Indiana. The area code is 317.
Frequently Asked Questions
What city is zip code 46312 in?
Zip code 46312 is in East Chicago, Indiana. It is part of Lake County and uses the Eastern (EST/EDT) timezone.
What is zip code 46312?
Zip code 46312 is a U.S. postal code in East Chicago, Indiana (Lake County). It has a population of 26,158 and covers 14 square miles.
What is the population of zip code 46312?
The population of zip code 46312 (East Chicago, IN) is 26,158 with a median age of 36.5. There are approximately 12,429 housing units in this area.
What is the median income in zip code 46312?
The median household income in zip code 46312 (East Chicago, IN) is $41,071 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 46312?
The median home value in zip code 46312 (East Chicago, IN) is $92,400. The cost of living index is 60 compared to the national average of 100.
What county is zip code 46312 in?
Zip code 46312 is located in Lake County, Indiana. The primary city is East Chicago.
What is the area code for zip code 46312?
Zip code 46312 in East Chicago, IN uses area code 317. It is located in the Eastern (EST/EDT) timezone.
Is zip code 46312 a good place to live?
Zip code 46312 (East Chicago, IN) has a cost of living index of 60 (100 = national average), a median household income of $41,071, and median home values of $92,400. The median age is 36.5. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 46312?
The cost of living index for zip code 46312 (East Chicago, IN) is 60, where 100 represents the national average. This area is below the national average. Median home value: $92,400.
What schools serve zip code 46312?
Zip code 46312 in East Chicago, Indiana is served by the local school district of Lake County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.