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zipcodes.pro — ZIP/16635

16635

ZIP 16635 is Duncansville, Pennsylvania, in Blair County; area codes 814 and 582; Eastern time.

Type
Standard
Time zone
America/New_York
County
Blair
Metro area
Altoona, PA
Population
12,003
Coordinates
40.4077, -78.4774
☼ Live from 16635 — Duncansville, PA

Weather right now

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Local time: —

Where 16635 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.

★ Weird and wonderful facts about 16635
  • 🔢 Type 16635 into a pocket calculator and turn it upside down: SEggI — not quite a word, sorry.
  • ➕ As a number, 16,635 = 3 × 5 × 1109. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100000011111011
  • 🏠 Its numerical neighbours: 16634 (Dudley, PA, 21 mi away) and 16636 (Dysart, PA, 13 mi away).
  • 🔄 Backwards, 16635 becomes 53661, which is not a ZIP code at all.
  • 👥 29 other ZIP codes are made of exactly the same digits (13656, 13665, 15366, 15636, 15663, 16365, …). The farthest-flung twin is 66531 in Riley, KS, 975 miles away.
  • 🧭 Farther north than 60% of all ZIP codes, and farther east than 78%.
  • 🎯1,061 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 16635 and you would come out at 40.41°S, 101.52°E — 988 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 04m of daylight. Shortest: 9h 17m.
  • 📏 At 56.7 square miles of land, 16635 is bigger than 63% of ZIP codes — room for about 43 Central Parks.
🌙 The sky over 16635 today
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Source: USGS.

People and housing

Population12,003This ZIP12,003
Households5,077This ZIP5,077
Housing units5,380This ZIP5,380
Median age46.5This ZIP46.5Pennsylvania40.9US 38.9
Median household income$69,760This ZIP$69,760Pennsylvania$77,971US $80,734
Median home value$192,100This ZIP$192,100Pennsylvania$254,500US $332,700
Median gross rent$1,023This ZIP$1,023Pennsylvania$1,209US $1,413
Bachelor's degree or higher28.2%This ZIP28.2%
Mean commute19.7 minThis ZIP19.7 min
Population density211.6 / sq miThis ZIP211.6 / sq mi

Business and tax activity

Business establishments393This ZIP393
Employees5,801This ZIP5,801
Annual payroll$265,145,000This ZIP$265,145,000
Tax returns filed5,690This ZIP5,690
Total adjusted gross income$488,485,000This ZIP$488,485,000

Land area

Land area56.73 sq miThis ZIP56.73 sq mi
Water area0.07 sq miThis ZIP0.07 sq mi

Other place names in 16635

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 16635

ZIPCityDistance
16665 Newry, PA 2.6 mi
16637 East Freedom, PA 4.5 mi
16699 Cresson, PA 5.2 mi
15938 Lilly, PA 6.3 mi
16630 Cresson, PA 6.6 mi
16602 Altoona, PA 6.8 mi
16603 Altoona, PA 7.4 mi
15946 Portage, PA 7.8 mi
16648 Hollidaysburg, PA 8.0 mi
16629 Coupon, PA 8.3 mi

Find every ZIP code within 10 miles of 16635 →

Questions about this ZIP code

Where is ZIP code 16635?

16635 is in Duncansville, Pennsylvania, in Blair County, part of the Altoona, PA metropolitan area. Its published point location is 40.4077, -78.4774.

What county is 16635 in?

16635 lies in Blair County.

What area code is 16635?

Duncansville uses area codes 814 and 582, from NANPA's telephone records.

What time zone is 16635 in?

16635 uses America/New_York.

How many people live in 16635?

About 12,003 people live in ZIP code 16635, in 5,077 households, at 211.6 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 16635?

$69,760 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 16635?

The closest are 16665 (2.6 mi), 16637 (4.5 mi), 16699 (5.2 mi), 15938 (6.3 mi) and 16630 (6.6 mi).

Is 16635 a PO Box ZIP code?

16635 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “16635 ZIP Code — Duncansville, Pennsylvania (Blair County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/16635

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