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zipcodes.pro — ZIP/61251

61251

ZIP 61251 is Fenton, Illinois, in Whiteside County; Central time.

Type
Standard
Time zone
America/Chicago
County
Whiteside
Metro area
Sterling, IL
Population
377
Coordinates
41.7291, -90.0729
☼ Live from 61251 — Fenton, IL

Weather right now

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Local time: —

Where 61251 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 61251
  • 🔢 Type 61251 into a pocket calculator and turn it upside down: ISZIg — not quite a word, sorry.
  • ➕ As a number, 61,251 = 3 × 17 × 1201. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110111101000011
  • 🏠 Its numerical neighbours: 61250 (Erie, IL, 5 mi away) and 61252 (Fulton, IL, 8 mi away).
  • 🔄 Backwards, 61251 becomes 15216 — and that is a real ZIP code: Pittsburgh, PA, 531 miles away.
  • 👥 23 other ZIP codes are made of exactly the same digits (11256, 12156, 12165, 12516, 12561, 15126, …). The farthest-flung twin is 12165 in Spencertown, NY, 850 miles away.
  • 🧭 Farther north than 73% of all ZIP codes, and farther west than 56%.
  • 🎯464 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 61251 and you would come out at 41.73°S, 89.93°E — 1,085 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 13m of daylight. Shortest: 9h 09m.
  • 📏 At 17.6 square miles of land, 61251 is bigger than 35% of ZIP codes — room for about 13 Central Parks.
🌙 The sky over 61251 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population377This ZIP377
Households158This ZIP158
Housing units158This ZIP158
Median age36.1This ZIP36.1Illinois39.0US 38.9
Median household income$79,464This ZIP$79,464Illinois$83,390US $80,734
Median home value$190,900This ZIP$190,900Illinois$263,300US $332,700
Bachelor's degree or higher0.0%
Mean commute29.7 minThis ZIP29.7 min
Population density21.5 / sq miThis ZIP21.5 / sq mi

Business and tax activity

Business establishments3This ZIP3
Employees10This ZIP10
Annual payroll$516,000This ZIP$516,000
Tax returns filed180This ZIP180
Total adjusted gross income$15,175,000This ZIP$15,175,000

Land area

Land area17.56 sq miThis ZIP17.56 sq mi
Water area0.00 sq mi

ZIP codes near 61251

ZIPCityDistance
61250 Erie, IL 5.4 mi
61230 Albany, IL 7.2 mi
61252 Fulton, IL 7.9 mi
61261 Lyndon, IL 8.4 mi
61270 Morrison, IL 8.8 mi
52734 Clinton, IA 9.9 mi
52733 Clinton, IA 10.0 mi
52736 Clinton, IA 10.0 mi
61277 Prophetstown, IL 10.8 mi
61242 Cordova, IL 11.0 mi

Find every ZIP code within 10 miles of 61251 →

Questions about this ZIP code

Where is ZIP code 61251?

61251 is in Fenton, Illinois, in Whiteside County, part of the Sterling, IL micropolitan area. Its published point location is 41.7291, -90.0729.

What county is 61251 in?

61251 lies in Whiteside County.

What time zone is 61251 in?

61251 uses America/Chicago.

How many people live in 61251?

About 377 people live in ZIP code 61251, in 158 households, at 21.5 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 61251?

$79,464 a year, against $83,390 across Illinois.

What ZIP codes are near 61251?

The closest are 61250 (5.4 mi), 61230 (7.2 mi), 61252 (7.9 mi), 61261 (8.4 mi) and 61270 (8.8 mi).

Is 61251 a PO Box ZIP code?

61251 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “61251 ZIP Code — Fenton, Illinois (Whiteside County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61251

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