46373
ZIP 46373 is Saint John, Indiana, in Lake County; area code 219; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Lake
- Metro area
- Chicago-Naperville-Elgin, IL-IN
- Population
- 18,843
- Coordinates
- 41.4418, -87.4678
Weather right now
Asking the National Weather Service…
Where 46373 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 46373 into a pocket calculator and turn it upside down: ELEgh — not quite a word, sorry.
- ➕ As a number, 46,373 = 79 × 587. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011010100100101 - 🏠 Its numerical neighbours: 46372 (Roselawn, IN, 22 mi away) and 46374 (San Pierre, IN, 34 mi away).
- 🔄 Backwards, 46373 becomes 37364 — and that is a real ZIP code: Cleveland, TN, 456 miles away.
- 👥 27 other ZIP codes are made of exactly the same digits (33467, 33476, 33647, 33674, 33764, 34637, …). The farthest-flung twin is 33467 in Lake Worth, FL, 1,106 miles away.
- 🧭 Farther north than 70% of all ZIP codes, and farther east than 50%.
- 🎯593 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 46373 and you would come out at 41.44°S, 92.53°E — 1,206 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 11m of daylight. Shortest: 9h 10m.
- 📏 At 10.9 square miles of land, 46373 is bigger than 28% of ZIP codes — room for about 8.3 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 18,843This ZIP18,843 |
|---|---|
| Households | 6,658This ZIP6,658 |
| Housing units | 6,751This ZIP6,751 |
| Median age | 44.4This ZIP44.4Indiana38.1US 38.9 |
| Median household income | $127,146This ZIP$127,146Indiana$71,957US $80,734 |
| Median home value | $408,900This ZIP$408,900Indiana$218,200US $332,700 |
| Median gross rent | $981This ZIP$981Indiana$1,062US $1,413 |
| Bachelor's degree or higher | 42.5%This ZIP42.5% |
| Mean commute | 30.9 minThis ZIP30.9 min |
| Population density | 1,731.6 / sq miThis ZIP1,731.6 / sq mi |
Business and tax activity
| Business establishments | 402This ZIP402 |
|---|---|
| Employees | 3,891This ZIP3,891 |
| Annual payroll | $164,104,000This ZIP$164,104,000 |
| Tax returns filed | 9,680This ZIP9,680 |
| Total adjusted gross income | $1,232,992,000This ZIP$1,232,992,000 |
Land area
| Land area | 10.88 sq miThis ZIP10.88 sq mi |
|---|---|
| Water area | 0.09 sq miThis ZIP0.09 sq mi |
Other place names in 46373
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 46373
| ZIP | City | Distance |
|---|---|---|
46311 | Dyer, IN | 2.8 mi |
46375 | Schererville, IN | 3.5 mi |
46303 | Cedar Lake, IN | 4.7 mi |
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 |
60417 | Crete, IL | 6.2 mi |
46322 | Highland, IN | 7.3 mi |
46410 | Merrillville, IN | 7.4 mi |
Find every ZIP code within 10 miles of 46373 →
Questions about this ZIP code
Where is ZIP code 46373?
46373 is in Saint John, Indiana, in Lake County, part of the Chicago-Naperville-Elgin, IL-IN metropolitan area. Its published point location is 41.4418, -87.4678.
What county is 46373 in?
46373 lies in Lake County.
What area code is 46373?
Saint John uses area code 219, from NANPA's telephone records.
What time zone is 46373 in?
46373 uses America/Chicago.
How many people live in 46373?
About 18,843 people live in ZIP code 46373, in 6,658 households, at 1,731.6 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 46373?
$127,146 a year, against $71,957 across Indiana.
What ZIP codes are near 46373?
The closest are 46311 (2.8 mi), 46375 (3.5 mi), 46303 (4.7 mi), 46325 (5.1 mi) and 46411 (5.1 mi).
Is 46373 a PO Box ZIP code?
46373 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “46373 ZIP Code — Saint John, Indiana (Lake County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/46373
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/46373.json Underlying data is public domain or openly licensed — sources, vintages and licences.