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zipcodes.pro — ZIP/61071

61071

ZIP 61071 is Rock Falls, Illinois, mostly in Whiteside County; area code 815; Central time.

Type
Standard
Time zone
America/Chicago
County
Whiteside +1 more
Metro area
Sterling, IL
Population
13,581
Coordinates
41.7247, -89.6989
☼ Live from 61071 — Rock Falls, IL

Weather right now

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Local time: —

Where 61071 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 61071
  • 🔢 Type 61071 into a pocket calculator and turn it upside down: ILOIg — not quite a word, sorry.
  • ➕ As a number, 61,071 = 3 × 20357. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110111010001111
  • 🏠 Its numerical neighbours: 61070 (Rock City, IL, 49 mi away) and 61072 (Rockton, IL, 57 mi away).
  • 🔄 Backwards, 61071 becomes 17016 — and that is a real ZIP code: Cornwall, PA, 700 miles away.
  • 👥 29 other ZIP codes are made of exactly the same digits (06117, 10167, 10176, 11706, 11760, 16017, …). The farthest-flung twin is 06117 in West Hartford, CT, 872 miles away.
  • 🧭 Farther north than 73% of all ZIP codes, and farther west than 55%.
  • 🎯483 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 61071 and you would come out at 41.72°S, 90.30°E — 1,101 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 72.5 square miles of land, 61071 is bigger than 70% of ZIP codes — room for about 55 Central Parks.
🌙 The sky over 61071 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population13,581This ZIP13,581
Households5,810This ZIP5,810
Housing units6,550This ZIP6,550
Median age40.5This ZIP40.5Illinois39.0US 38.9
Median household income$60,508This ZIP$60,508Illinois$83,390US $80,734
Median home value$102,300This ZIP$102,300Illinois$263,300US $332,700
Median gross rent$797This ZIP$797Illinois$1,274US $1,413
Bachelor's degree or higher15.9%This ZIP15.9%
Mean commute18.1 minThis ZIP18.1 min
Population density187.4 / sq miThis ZIP187.4 / sq mi

Business and tax activity

Business establishments250This ZIP250
Employees2,808This ZIP2,808
Annual payroll$110,201,000This ZIP$110,201,000
Tax returns filed6,360This ZIP6,360
Total adjusted gross income$368,856,000This ZIP$368,856,000

Land area

Land area72.48 sq miThis ZIP72.48 sq mi
Water area1.88 sq miThis ZIP1.88 sq mi

Counties 61071 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Whiteside County 89.0%
Lee County 11.0%

Other place names in 61071

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

ZIP codes near 61071

ZIPCityDistance
61037 Galt, IL 5.4 mi
61243 Deer Grove, IL 7.4 mi
61042 Harmon, IL 7.5 mi
61081 Sterling, IL 8.9 mi
61283 Tampico, IL 10.3 mi
61261 Lyndon, IL 10.9 mi
61021 Dixon, IL 13.5 mi
61376 Walnut, IL 13.8 mi
61277 Prophetstown, IL 14.2 mi
61091 Woosung, IL 14.8 mi

Find every ZIP code within 10 miles of 61071 →

Questions about this ZIP code

Where is ZIP code 61071?

61071 is in Rock Falls, Illinois, in Whiteside County, part of the Sterling, IL micropolitan area. Its published point location is 41.7247, -89.6989.

What county is 61071 in?

61071 spans 2 counties: Whiteside County and Lee County. Most of it falls in Whiteside 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 61071?

Rock Falls uses area code 815, from NANPA's telephone records.

What time zone is 61071 in?

61071 uses America/Chicago.

How many people live in 61071?

About 13,581 people live in ZIP code 61071, in 5,810 households, at 187.4 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 61071?

$60,508 a year, against $83,390 across Illinois.

What ZIP codes are near 61071?

The closest are 61037 (5.4 mi), 61243 (7.4 mi), 61042 (7.5 mi), 61081 (8.9 mi) and 61283 (10.3 mi).

Is 61071 a PO Box ZIP code?

61071 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “61071 ZIP Code — Rock Falls, Illinois (Whiteside County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61071

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