Residential delivery area · Indiana
ZIP Code 46320: Hammond, IN
ZIP code 46320 is in Hammond, Indiana, entirely in Lake County (Census 2020 ZIP-county file). About 14,000 people live there (Census Bureau, ACS 2020-2024), the 3rd most populous of Hammond's 4 residential ZIP codes. Median household income is $37,158 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Hammond · 4 residential ZIPs
- County
- Lake County
- Census places
- Hammond
- Metro area
- Chicago-Naperville-Elgin, IL-IN
- House district
- IN-1 119th Congress
- State
- Indiana
- Time zone
- Central
- Land area
- 4.7 sq mi · 3,082 people per sq mi
- PO Box ZIPs
- 46325 also use the name Hammond
Where is ZIP code 46320?
46320 centers on 41.609°, -87.498° and covers 4.7 square miles of land. It borders 5 ZIP codes: 46324, 46323, 46327, 60409, 46312.
The map draws ZIP code areas only. For the streets inside 46320, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 46320 compare with the rest of Hammond?
| Measure | 46320 | In Hammond | In Lake County | In IN |
|---|---|---|---|---|
| People (ACS 2020-2024) | 14,353 | 3rd of 4 | 17th of 28 | 172nd of 807 |
| Median household income | $37k | 4th of 4 | 23rd of 26 | 472nd of 478 |
| Median home value | $135k | 4th of 4 | 19th of 25 | 439th of 509 |
Its median household income is higher than in 4% of U.S. residential ZIP codes, and it is denser than 89% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 46320?
The 2020 Census counted 14,514 people in 46320; the ACS, which samples households over 2020-2024, estimates 14,353. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 14,353
- 2020 Census count
- 14,514
- Households
- 5,480
- Median age
- 32.6
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 46320?
Of the 14,353 people the ACS estimates in 46320, 28.3% are under 18 and 13.0% are 65 or older. The largest group by race and Hispanic origin is Black (not Hispanic) (47.9%), then Hispanic or Latino (36.0%).
- Under 1828.3%
- 18 to 6458.8%
- 65 and older13.0%
- Black, not Hispanic47.9%
- Hispanic or Latino36.0%
- White, not Hispanic12.4%
- Other or two or more2.5%
- Asian, not Hispanic1.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 46320 earn?
Median household income is $37,158 (ACS 2020-2024), the 23rd highest of the 26 ranked ZIP codes in Lake County.
- Median household income
- $37,158
- Income per person
- $19,549
- Below the poverty line
- 31.5%
- Unemployed (of the labor force)
- 10.4%
- Adults 25+ with a bachelor's degree
- 13.2%
- Adjusted gross income per tax return, 2022
- $36,9474,870 returns; wages 84% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 46320?
FHFA's house price index for 46320, built from repeat sales and appraisals of the same homes, rose 114% from 2015 to 2025 and rose 61% from 2020 to 2025, and moved +8.2% in 2025.
- Median home value (owners' estimate)
- $135,000
- Median gross rent
- $994
- Homes owned by their occupants
- 41.2%
- Housing units
- 6,340
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 46320?
398 business establishments had a location in this ZIP code in 2023, 36 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade77
- Other services (except public administration)52
- Health care and social assistance49
- Accommodation and food services35
- Transportation and warehousing27
- Manufacturing26
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 46320?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 46324 | Hammond | 21,409 | $63k | 1.8 mi |
| 46323 | Hammond | 23,047 | $60k | 2.6 mi |
| 46327 | Hammond | 10,597 | $47k | 2.7 mi |
| 60409 | Calumet City, IL | 35,100 | $55k | 2.8 mi |
| 46312 | East Chicago | 26,022 | $42k | 3.7 mi |
| 60438 | Lansing, IL | 28,806 | $76k | 4.0 mi (near) |
| 46321 | Munster | 23,733 | $110k | 4.3 mi (near) |
| 46406 | Gary | 9,001 | $36k | 4.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.