46181
ZIP 46181 is Trafalgar, Indiana, mostly in Johnson County; area codes 317 and 463; Eastern time.
- Type
- Standard
- Time zone
- America/Indiana/Indianapolis
- County
- Johnson +1 more
- Metro area
- Indianapolis-Carmel-Greenwood, IN
- Population
- 4,964
- Coordinates
- 39.3722, -86.1716
Weather right now
Asking the National Weather Service…
Where 46181 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 46181 into a pocket calculator and turn it upside down: IBIgh — not quite a word, sorry.
- ➕ 46181 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011010001100101 - 🏠 Its numerical neighbours: 46180 (Stilesville, IN, 28 mi away) and 46182 (Waldron, IN, 27 mi away).
- 🔄 Backwards, 46181 becomes 18164, which is not a ZIP code at all.
- 👥 26 other ZIP codes are made of exactly the same digits (14168, 14618, 14816, 14861, 16148, 16841, …). The farthest-flung twin is 86411 in Hackberry, AZ, 1,531 miles away.
- 🧭 Farther north than 51% of all ZIP codes, and farther east than 53%.
- 🎯661 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 46181 and you would come out at 39.37°S, 93.83°E — 1,334 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 57m of daylight. Shortest: 9h 23m.
- 📏 At 45.5 square miles of land, 46181 is bigger than 57% of ZIP codes — room for about 35 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 4,964This ZIP4,964 |
|---|---|
| Households | 1,862This ZIP1,862 |
| Housing units | 1,911This ZIP1,911 |
| Median age | 41.3This ZIP41.3Indiana38.1US 38.9 |
| Median household income | $91,337This ZIP$91,337Indiana$71,957US $80,734 |
| Median home value | $314,300This ZIP$314,300Indiana$218,200US $332,700 |
| Median gross rent | $951This ZIP$951Indiana$1,062US $1,413 |
| Bachelor's degree or higher | 30.9%This ZIP30.9% |
| Mean commute | 31.5 minThis ZIP31.5 min |
| Population density | 109.2 / sq miThis ZIP109.2 / sq mi |
Business and tax activity
| Business establishments | 107This ZIP107 |
|---|---|
| Employees | 702This ZIP702 |
| Annual payroll | $28,767,000This ZIP$28,767,000 |
| Tax returns filed | 2,670This ZIP2,670 |
| Total adjusted gross income | $254,191,000This ZIP$254,191,000 |
Land area
| Land area | 45.45 sq miThis ZIP45.45 sq mi |
|---|---|
| Water area | 0.51 sq miThis ZIP0.51 sq mi |
Counties 46181 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Johnson County | 84.7% |
| Brown County | 15.3% |
Other place names in 46181
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 46181
| ZIP | City | Distance |
|---|---|---|
46160 | Morgantown, IN | 5.4 mi |
46164 | Nineveh, IN | 5.5 mi |
46131 | Franklin, IN | 9.8 mi |
47435 | Helmsburg, IN | 9.9 mi |
46106 | Bargersville, IN | 9.9 mi |
46124 | Edinburgh, IN | 11.9 mi |
47280 | Taylorsville, IN | 12.9 mi |
47468 | Unionville, IN | 13.2 mi |
47448 | Nashville, IN | 13.7 mi |
46184 | Whiteland, IN | 14.0 mi |
Find every ZIP code within 10 miles of 46181 →
Questions about this ZIP code
Where is ZIP code 46181?
46181 is in Trafalgar, Indiana, in Johnson County, part of the Indianapolis-Carmel-Greenwood, IN metropolitan area. Its published point location is 39.3722, -86.1716.
What county is 46181 in?
46181 spans 2 counties: Johnson County and Brown County. Most of it falls in Johnson 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 46181?
Trafalgar uses area codes 317 and 463, from NANPA's telephone records.
What time zone is 46181 in?
46181 uses America/Indiana/Indianapolis.
How many people live in 46181?
About 4,964 people live in ZIP code 46181, in 1,862 households, at 109.2 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 46181?
$91,337 a year, against $71,957 across Indiana.
What ZIP codes are near 46181?
The closest are 46160 (5.4 mi), 46164 (5.5 mi), 46131 (9.8 mi), 47435 (9.9 mi) and 46106 (9.9 mi).
Is 46181 a PO Box ZIP code?
46181 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “46181 ZIP Code — Trafalgar, Indiana (Johnson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/46181
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/46181.json Underlying data is public domain or openly licensed — sources, vintages and licences.