ZIP code 46373: Saint John, IN
46373 is a ZIP code in Saint John, Indiana, mainly in Lake County, part of the Chicago-Naperville-Elgin, IL-IN metro area. About 18,843 people live here.
- Population
- 18,843
- Median household income
- $127,146
- Typical home value
- $458,400+1.9% in 12 months
- Median rent
- $981gross, per month
- Median age
- 44.4
- Homeowners
- 97.1%of occupied homes
Shaded: ZIP code 46373's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 46373 details
| City | Saint John |
|---|---|
| State | Indiana |
| County | Lake County |
| Metro area | Chicago-Naperville-Elgin, IL-IN |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 10.9 sq mi, plus 0.1 sq mi of water |
| Population density | 1,732 people per sq mi |
| Bachelor's degree or higher | 42.5% of adults 25+ |
| Average commute | 30.9 minutes |
| Center coordinates | 41.44182, -87.46778 |
ZIP codes near 46373
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 46311 | Dyer, IN | 2.8 mi | 23,321 |
| 46375 | Schererville, IN | 3.5 mi | 24,188 |
| 46303 | Cedar Lake, IN | 4.7 mi | 17,680 |
| 46325 | Hammond, IN | 5.1 mi | — |
| 46411 | Merrillville, IN | 5.1 mi | — |
| 46308 | Crown Point, IN | 5.6 mi | — |
| 46319 | Griffith, IN | 6.0 mi | 17,847 |
| 60417 | Crete, IL | 6.2 mi | 14,901 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 46373?
A typical home in ZIP code 46373 is worth about $458,400 (Zillow Home Value Index). The median household here earns $127,146 a year. See what buying here would cost per month, with Indiana average taxes and insurance filled in.
Monthly payment for a $458,400 homeWhat can a $127,146 income afford?Rental property numbers
About ZIP code 46373
What city is ZIP code 46373?
ZIP code 46373 is in Saint John, IN, in Lake County.
What county is ZIP code 46373 in?
46373 is mainly in Lake County, Indiana.
What is the population of ZIP code 46373?
About 18,843 people live in ZIP code 46373, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 46373 in?
46373 is in Central Time (UTC−6). It observes daylight saving time.