16621
ZIP 16621 is Broad Top, Pennsylvania, in Huntingdon County; area code 814; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Huntingdon
- Metro area
- Huntingdon, PA
- Population
- 604
- Coordinates
- 40.2584, -78.1089
Weather right now
Asking the National Weather Service…
Where 16621 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 16621 into a pocket calculator and turn it upside down: IZggI — not quite a word, sorry.
- ➕ As a number, 16,621 = 11 × 1511. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100000011101101 - 🏠 Its numerical neighbours: 16620 (Brisbin, PA, 42 mi away) and 16622 (Calvin, PA, 5 mi away).
- 🔄 Backwards, 16621 becomes 12661, which is not a ZIP code at all.
- 👥 11 other ZIP codes are made of exactly the same digits (12166, 16261, 21661, 26161, 26611, 61126, …). The farthest-flung twin is 66112 in Kansas City, KS, 888 miles away.
- 🧭 Farther north than 59% of all ZIP codes, and farther east than 78%.
- 🎯1,081 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 16621 and you would come out at 40.26°S, 101.89°E — 966 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 18m.
- 📏 At 15.8 square miles of land, 16621 is bigger than 33% of ZIP codes — room for about 12 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 604This ZIP604 |
|---|---|
| Households | 240This ZIP240 |
| Housing units | 336This ZIP336 |
| Median age | 47.3This ZIP47.3Pennsylvania40.9US 38.9 |
| Median household income | $70,577This ZIP$70,577Pennsylvania$77,971US $80,734 |
| Median home value | $123,500This ZIP$123,500Pennsylvania$254,500US $332,700 |
| Median gross rent | $783This ZIP$783Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 8.4%This ZIP8.4% |
| Mean commute | 55.6 minThis ZIP55.6 min |
| Population density | 38.3 / sq miThis ZIP38.3 / sq mi |
Business and tax activity
| Business establishments | 6This ZIP6 |
|---|---|
| Employees | 73This ZIP73 |
| Annual payroll | $3,350,000This ZIP$3,350,000 |
| Tax returns filed | 320This ZIP320 |
| Total adjusted gross income | $18,066,000This ZIP$18,066,000 |
Land area
| Land area | 15.77 sq miThis ZIP15.77 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 16621
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 16621
| ZIP | City | Distance |
|---|---|---|
16685 | Todd, PA | 2.1 mi |
16623 | Cassville, PA | 3.6 mi |
16634 | Dudley, PA | 4.7 mi |
16694 | Wood, PA | 4.9 mi |
16674 | Robertsdale, PA | 5.2 mi |
16622 | Calvin, PA | 5.3 mi |
16657 | James Creek, PA | 6.2 mi |
17253 | Saltillo, PA | 6.3 mi |
17052 | Mapleton Depot, PA | 6.6 mi |
16678 | Saxton, PA | 6.9 mi |
Find every ZIP code within 10 miles of 16621 →
Questions about this ZIP code
Where is ZIP code 16621?
16621 is in Broad Top, Pennsylvania, in Huntingdon County, part of the Huntingdon, PA micropolitan area. Its published point location is 40.2584, -78.1089.
What county is 16621 in?
16621 lies in Huntingdon County.
What area code is 16621?
Broad Top uses area code 814, from NANPA's telephone records.
What time zone is 16621 in?
16621 uses America/New_York.
How many people live in 16621?
About 604 people live in ZIP code 16621, in 240 households, at 38.3 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 16621?
$70,577 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 16621?
The closest are 16685 (2.1 mi), 16623 (3.6 mi), 16634 (4.7 mi), 16694 (4.9 mi) and 16674 (5.2 mi).
Is 16621 a PO Box ZIP code?
16621 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “16621 ZIP Code — Broad Top, Pennsylvania (Huntingdon County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/16621
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/16621.json Underlying data is public domain or openly licensed — sources, vintages and licences.