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Where 37148 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 37148 into a pocket calculator and turn it upside down: BhILE — not quite a word, sorry.
- ➕ As a number, 37,148 = 2 × 2 × 37 × 251. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1001000100011100 - 🏠 Its numerical neighbours: 37146 (Pleasant View, TN, 32 mi away) and 37149 (Readyville, TN, 56 mi away).
- 🔄 Backwards, 37148 becomes 84173, which is not a ZIP code at all.
- 👥 46 other ZIP codes are made of exactly the same digits (13478, 13748, 13784, 13847, 14738, 14783, …). The farthest-flung twin is 83714 in Garden City, ID, 1,638 miles away.
- 🧭 Farther south than 66% of all ZIP codes, and farther east than 53%.
- 🎯693 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 37148 and you would come out at 36.58°S, 93.50°E — 1,313 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 40m of daylight. Shortest: 9h 39m.
- 📏 At 131.9 square miles of land, 37148 is bigger than 84% of ZIP codes — room for about 100 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 26,274This ZIP26,274 |
|---|---|
| Households | 9,436This ZIP9,436 |
| Housing units | 10,180This ZIP10,180 |
| Median age | 37.3This ZIP37.3Tennessee38.9US 38.9 |
| Median household income | $81,633This ZIP$81,633Tennessee$69,595US $80,734 |
| Median home value | $295,000This ZIP$295,000Tennessee$286,700US $332,700 |
| Median gross rent | $1,122This ZIP$1,122Tennessee$1,189US $1,413 |
| Bachelor's degree or higher | 15.1%This ZIP15.1% |
| Mean commute | 30.9 minThis ZIP30.9 min |
| Population density | 199.3 / sq miThis ZIP199.3 / sq mi |
Business and tax activity
| Business establishments | 366This ZIP366 |
|---|---|
| Employees | 9,523This ZIP9,523 |
| Annual payroll | $534,443,000This ZIP$534,443,000 |
| Tax returns filed | 11,740This ZIP11,740 |
| Total adjusted gross income | $831,285,000This ZIP$831,285,000 |
Land area
| Land area | 131.85 sq miThis ZIP131.85 sq mi |
|---|---|
| Water area | 0.19 sq miThis ZIP0.19 sq mi |
Counties 37148 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Sumner County | 85.2% |
| Robertson County | 14.8% |
Other place names in 37148
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 37148
| ZIP | City | Distance |
|---|---|---|
37119 | Mitchellville, TN | 4.5 mi |
37048 | Cottontown, TN | 7.9 mi |
37049 | Cross Plains, TN | 10.3 mi |
37022 | Bethpage, TN | 10.9 mi |
42135 | Franklin, KY | 11.0 mi |
42134 | Franklin, KY | 11.0 mi |
37141 | Orlinda, TN | 11.5 mi |
37188 | White House, TN | 12.1 mi |
37066 | Gallatin, TN | 12.5 mi |
42120 | Adolphus, KY | 13.8 mi |
Find every ZIP code within 10 miles of 37148 →
Questions about this ZIP code
Where is ZIP code 37148?
37148 is in Portland, Tennessee, in Sumner County, part of the Nashville-Davidson--Murfreesboro--Franklin, TN metropolitan area. Its published point location is 36.5767, -86.4978.
What county is 37148 in?
37148 spans 2 counties: Sumner County and Robertson County. Most of it falls in Sumner 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 37148?
Portland uses area codes 615 and 629, from NANPA's telephone records.
What time zone is 37148 in?
37148 uses America/Chicago.
How many people live in 37148?
About 26,274 people live in ZIP code 37148, in 9,436 households, at 199.3 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 37148?
$81,633 a year, against $69,595 across Tennessee.
What ZIP codes are near 37148?
The closest are 37119 (4.5 mi), 37048 (7.9 mi), 37049 (10.3 mi), 37022 (10.9 mi) and 42135 (11 mi).
Is 37148 a PO Box ZIP code?
37148 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “37148 ZIP Code — Portland, Tennessee (Sumner County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/37148
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/37148.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.