46278
ZIP 46278 is in Indianapolis, Indiana, mostly in Marion County; area codes 317 and 463; Eastern time. Indianapolis has 63 ZIP codes in all.
- Type
- Standard
- Time zone
- America/Indiana/Indianapolis
- County
- Marion +1 more
- Metro area
- Indianapolis-Carmel-Greenwood, IN
- Population
- 8,450
- Coordinates
- 39.8929, -86.2981
Weather right now
Asking the National Weather Service…
Where 46278 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 46278 into a pocket calculator and turn it upside down: BLZgh — not quite a word, sorry.
- ➕ As a number, 46,278 = 2 × 3 × 3 × 3 × 857. Its digits add up to 27, a total 1,806 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011010011000110 - 🏠 Its numerical neighbours: 46277 (Indianapolis, IN, 12 mi away) and 46280 (Indianapolis, IN, 9 mi away).
- 🔄 Backwards, 46278 becomes 87264, which is not a ZIP code at all.
- 👥 36 other ZIP codes are made of exactly the same digits (24867, 26847, 27846, 27864, 28467, 28647, …). The farthest-flung twin is 86427 in Fort Mohave, AZ, 1,581 miles away.
- 🧭 Farther north than 55% of all ZIP codes, and farther east than 53%.
- 🎯651 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 46278 and you would come out at 39.89°S, 93.70°E — 1,319 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 00m of daylight. Shortest: 9h 20m.
- 📏 At 13.2 square miles of land, 46278 is bigger than 31% of ZIP codes — room for about 10 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 8,450This ZIP8,450 |
|---|---|
| Households | 3,204This ZIP3,204 |
| Housing units | 3,270This ZIP3,270 |
| Median age | 45.6This ZIP45.6Indiana38.1US 38.9 |
| Median household income | $158,648This ZIP$158,648Indiana$71,957US $80,734 |
| Median home value | $408,900This ZIP$408,900Indiana$218,200US $332,700 |
| Median gross rent | $1,589This ZIP$1,589Indiana$1,062US $1,413 |
| Bachelor's degree or higher | 64.0%This ZIP64.0% |
| Mean commute | 25.0 minThis ZIP25.0 min |
| Population density | 639.6 / sq miThis ZIP639.6 / sq mi |
Business and tax activity
| Business establishments | 489This ZIP489 |
|---|---|
| Employees | 16,541This ZIP16,541 |
| Annual payroll | $1,181,356,000This ZIP$1,181,356,000 |
| Tax returns filed | 4,520This ZIP4,520 |
| Total adjusted gross income | $678,983,000This ZIP$678,983,000 |
Land area
| Land area | 13.21 sq miThis ZIP13.21 sq mi |
|---|---|
| Water area | 0.15 sq miThis ZIP0.15 sq mi |
Counties 46278 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Marion County | 95.8% |
| Hendricks County | 4.2% |
Other place names in 46278
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 46278
| ZIP | City | Distance |
|---|---|---|
46254 | Indianapolis, IN | 3.4 mi |
46268 | Indianapolis, IN | 3.4 mi |
46112 | Brownsburg, IN | 4.9 mi |
46234 | Indianapolis, IN | 5.9 mi |
46228 | Indianapolis, IN | 6.0 mi |
46077 | Zionsville, IN | 6.2 mi |
46260 | Indianapolis, IN | 6.3 mi |
46214 | Indianapolis, IN | 6.9 mi |
46224 | Indianapolis, IN | 7.1 mi |
46288 | Indianapolis, IN | 7.7 mi |
Find every ZIP code within 10 miles of 46278 →
Questions about this ZIP code
Where is ZIP code 46278?
46278 is in Indianapolis, Indiana, in Marion County, part of the Indianapolis-Carmel-Greenwood, IN metropolitan area. Its published point location is 39.8929, -86.2981.
What county is 46278 in?
46278 spans 2 counties: Marion County and Hendricks County. Most of it falls in Marion County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 46278?
Indianapolis uses area codes 317 and 463, from NANPA's telephone records.
What time zone is 46278 in?
46278 uses America/Indiana/Indianapolis.
How many people live in 46278?
About 8,450 people live in ZIP code 46278, in 3,204 households, at 639.6 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 46278?
$158,648 a year, against $71,957 across Indiana.
What ZIP codes are near 46278?
The closest are 46254 (3.4 mi), 46268 (3.4 mi), 46112 (4.9 mi), 46234 (5.9 mi) and 46228 (6 mi).
Is 46278 a PO Box ZIP code?
46278 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “46278 ZIP Code — Indianapolis, Indiana (Marion County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/46278
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/46278.json Underlying data is public domain or openly licensed — sources, vintages and licences.