ZIP code · Gary · Indiana · United States
ZIP code 46403 — Gary
ZIP code 46403 serves Gary, Indiana.
- Postal code
- 46403Single source Value from one source, not cross-checked.
- City
- Gary
- County
- Lake FIPS 18089
- State
- Indiana
- Country
- United States
- Coordinates
- 41.6036, -87.2590 — precision precise (locality)
View on OpenStreetMap - Population
- 10,697 (ZCTA, ACS 5-year)
- Population density
- 1,170 / sq mi
- Land area
- 9.1 sq mi (23.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $44,114
- Per-capita income
- $31,246
- Median age
- 41.7
- Households
- 4,955
- Housing units
- 6,317
- Median home value
- $154,800
- Median gross rent
- $939 / month
- Congressional district
- IN-1 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 219Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 46403 with another ZIP · ZIPs within 25 miles · distance from 46403
Map of ZIP code 46403
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 18°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 32 | 36 | 46 | 57 | 68 | 78 | 82 | 80 | 74 | 62 | 49 | 37 |
| Avg low °F | 18 | 21 | 30 | 40 | 50 | 60 | 64 | 63 | 56 | 45 | 34 | 24 |
| Precip in | 2.2 | 2.0 | 2.3 | 3.5 | 4.3 | 4.3 | 4.0 | 4.1 | 3.6 | 3.8 | 2.8 | 2.3 |
NOAA 1991–2020 climate normals from the nearest station: INDIANA DUNES NL (9.0 mi) · NOAA NCEI
Places in ZIP 46403
- 5 schools
- 2 doctors & dentists
- 1 supermarkets
- 13 restaurants & cafés
- 5 bars & pubs
- 15 parks
- 21 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
- 16 places of worship
- 4 banks
- 4 gas stations
- 1 EV charging stations
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page