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zipcodes.pro — ZIP/61243

61243

ZIP 61243 is Deer Grove, 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
155
Coordinates
41.6185, -89.6784
☼ Live from 61243 — Deer Grove, IL

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Local time: —

Where 61243 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 61243
  • 🔢 Type 61243 into a pocket calculator and turn it upside down: EhZIg — not quite a word, sorry.
  • ➕ As a number, 61,243 = 7 × 13 × 673. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110111100111011
  • 🏠 Its numerical neighbours: 61242 (Cordova, IL, 32 mi away) and 61244 (East Moline, IL, 37 mi away).
  • 🔄 Backwards, 61243 becomes 34216 — and that is a real ZIP code: Anna Maria, FL, 1,049 miles away.
  • 👥 60 other ZIP codes are made of exactly the same digits (12436, 12463, 13426, 13624, 13642, 14263, …). The farthest-flung twin is 34216 in Anna Maria, FL, 1,049 miles away.
  • 🧭 Farther north than 72% of all ZIP codes, and farther west than 55%.
  • 🎯482 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 61243 and you would come out at 41.62°S, 90.32°E — 1,106 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 12m of daylight. Shortest: 9h 09m.
  • 📏 At 25.7 square miles of land, 61243 is bigger than 42% of ZIP codes — room for about 19 Central Parks.
🌙 The sky over 61243 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population155This ZIP155
Households59This ZIP59
Housing units71This ZIP71
Median age49.8This ZIP49.8Illinois39.0US 38.9
Median household income$148,309This ZIP$148,309Illinois$83,390US $80,734
Median home value$172,700This ZIP$172,700Illinois$263,300US $332,700
Bachelor's degree or higher30.0%This ZIP30.0%
Mean commute40.9 minThis ZIP40.9 min
Population density6.0 / sq miThis ZIP6.0 / sq mi

Business and tax activity

Business establishments8This ZIP8
Employees18This ZIP18
Annual payroll$649,000This ZIP$649,000
Tax returns filed110This ZIP110
Total adjusted gross income$10,675,000This ZIP$10,675,000

Land area

Land area25.67 sq miThis ZIP25.67 sq mi
Water area0.00 sq mi

Counties 61243 spans

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

CountyShare of this ZIP
Whiteside County 95.4%
Lee County 4.6%

Other place names in 61243

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

ZIP codes near 61243

ZIPCityDistance
61283 Tampico, IL 6.0 mi
61376 Walnut, IL 6.8 mi
61071 Rock Falls, IL 7.4 mi
61346 New Bedford, IL 8.0 mi
61042 Harmon, IL 8.1 mi
61338 Manlius, IL 10.3 mi
61037 Galt, IL 12.5 mi
61277 Prophetstown, IL 13.0 mi
61349 Ohio, IL 13.4 mi
61328 Kasbeer, IL 13.6 mi

Find every ZIP code within 10 miles of 61243 →

Questions about this ZIP code

Where is ZIP code 61243?

61243 is in Deer Grove, Illinois, in Whiteside County, part of the Sterling, IL micropolitan area. Its published point location is 41.6185, -89.6784.

What county is 61243 in?

61243 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 61243?

Deer Grove uses area code 815, from NANPA's telephone records.

What time zone is 61243 in?

61243 uses America/Chicago.

How many people live in 61243?

About 155 people live in ZIP code 61243, in 59 households, at 6.0 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 61243?

$148,309 a year, against $83,390 across Illinois.

What ZIP codes are near 61243?

The closest are 61283 (6 mi), 61376 (6.8 mi), 61071 (7.4 mi), 61346 (8 mi) and 61042 (8.1 mi).

Is 61243 a PO Box ZIP code?

61243 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “61243 ZIP Code — Deer Grove, Illinois (Whiteside County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61243

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