61428
ZIP 61428 is Dahinda, Illinois, in Knox County; area code 309; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Knox
- Metro area
- Galesburg, IL
- Population
- 1,278
- Coordinates
- 40.9333, -90.1136
Weather right now
Asking the National Weather Service…
Where 61428 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 61428 into a pocket calculator and turn it upside down: BZhIg — not quite a word, sorry.
- ➕ As a number, 61,428 = 2 × 2 × 3 × 5119. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110111111110100 - 🏠 Its numerical neighbours: 61427 (Cuba, IL, 30 mi away) and 61430 (East Galesburg, IL, 10 mi away).
- 🔄 Backwards, 61428 becomes 82416, which is not a ZIP code at all.
- 👥 53 other ZIP codes are made of exactly the same digits (12468, 12486, 12846, 12864, 14826, 16248, …). The farthest-flung twin is 86412 in Hualapai, AZ, 1,340 miles away.
- 🧭 Farther north than 66% of all ZIP codes, and farther west than 56%.
- 🎯452 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 61428 and you would come out at 40.93°S, 89.89°E — 1,116 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 07m of daylight. Shortest: 9h 14m.
- 📏 At 29.6 square miles of land, 61428 is bigger than 45% of ZIP codes — room for about 22 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,278This ZIP1,278 |
|---|---|
| Households | 542This ZIP542 |
| Housing units | 803This ZIP803 |
| Median age | 53.0This ZIP53.0Illinois39.0US 38.9 |
| Median household income | $77,143This ZIP$77,143Illinois$83,390US $80,734 |
| Median home value | $285,100This ZIP$285,100Illinois$263,300US $332,700 |
| Bachelor's degree or higher | 33.8%This ZIP33.8% |
| Mean commute | 27.2 minThis ZIP27.2 min |
| Population density | 43.2 / sq miThis ZIP43.2 / sq mi |
Business and tax activity
| Business establishments | 12This ZIP12 |
|---|---|
| Employees | 85This ZIP85 |
| Annual payroll | $2,949,000This ZIP$2,949,000 |
| Tax returns filed | 590This ZIP590 |
| Total adjusted gross income | $69,694,000This ZIP$69,694,000 |
Land area
| Land area | 29.57 sq miThis ZIP29.57 sq mi |
|---|---|
| Water area | 0.90 sq miThis ZIP0.90 sq mi |
Other place names in 61428
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 61428
| ZIP | City | Distance |
|---|---|---|
61489 | Williamsfield, IL | 4.2 mi |
61485 | Victoria, IL | 6.5 mi |
61448 | Knoxville, IL | 6.8 mi |
61436 | Gilson, IL | 7.6 mi |
61451 | Laura, IL | 9.1 mi |
61572 | Yates City, IL | 10.2 mi |
61430 | East Galesburg, IL | 10.4 mi |
61458 | Maquon, IL | 11.1 mi |
61467 | Oneida, IL | 11.6 mi |
61488 | Wataga, IL | 12.7 mi |
Find every ZIP code within 10 miles of 61428 →
Questions about this ZIP code
Where is ZIP code 61428?
61428 is in Dahinda, Illinois, in Knox County, part of the Galesburg, IL micropolitan area. Its published point location is 40.9333, -90.1136.
What county is 61428 in?
61428 lies in Knox County.
What area code is 61428?
Dahinda uses area code 309, from NANPA's telephone records.
What time zone is 61428 in?
61428 uses America/Chicago.
How many people live in 61428?
About 1,278 people live in ZIP code 61428, in 542 households, at 43.2 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 61428?
$77,143 a year, against $83,390 across Illinois.
What ZIP codes are near 61428?
The closest are 61489 (4.2 mi), 61485 (6.5 mi), 61448 (6.8 mi), 61436 (7.6 mi) and 61451 (9.1 mi).
Is 61428 a PO Box ZIP code?
61428 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “61428 ZIP Code — Dahinda, Illinois (Knox County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61428
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/61428.json Underlying data is public domain or openly licensed — sources, vintages and licences.