55920
ZIP 55920 is Byron, Minnesota, in Olmsted County; area code 507; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Olmsted
- Metro area
- Rochester, MN
- Population
- 9,271
- Coordinates
- 44.0124, -92.6211
Weather right now
Asking the National Weather Service…
Where 55920 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 55920 into a pocket calculator and turn it upside down: OZGSS — not quite a word, sorry.
- ➕ As a number, 55,920 = 2 × 2 × 2 × 2 × 3 × 5 × 233. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1101101001110000 - 🏠 Its numerical neighbours: 55919 (Brownsville, MN, 71 mi away) and 55921 (Caledonia, MN, 63 mi away).
- 🔄 Backwards, 55920 becomes 02955, which is not a ZIP code at all.
- 👥 24 other ZIP codes are made of exactly the same digits (02559, 20559, 25059, 29055, 29505, 29550, …). The farthest-flung twin is 95502 in Eureka, CA, 1,615 miles away.
- 🧭 Farther north than 87% of all ZIP codes, and farther west than 62%.
- 🎯421 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 55920 and you would come out at 44.01°S, 87.38°E — 890 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 29m of daylight. Shortest: 8h 53m.
- 📏 At 68.7 square miles of land, 55920 is bigger than 68% of ZIP codes — room for about 52 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 9,271This ZIP9,271 |
|---|---|
| Households | 3,270This ZIP3,270 |
| Housing units | 3,354This ZIP3,354 |
| Median age | 38.4This ZIP38.4Minnesota38.8US 38.9 |
| Median household income | $131,336This ZIP$131,336Minnesota$89,062US $80,734 |
| Median home value | $372,600This ZIP$372,600Minnesota$329,300US $332,700 |
| Median gross rent | $1,138This ZIP$1,138Minnesota$1,280US $1,413 |
| Bachelor's degree or higher | 47.1%This ZIP47.1% |
| Mean commute | 19.0 minThis ZIP19.0 min |
| Population density | 135.0 / sq miThis ZIP135.0 / sq mi |
Business and tax activity
| Business establishments | 166This ZIP166 |
|---|---|
| Employees | 1,452This ZIP1,452 |
| Annual payroll | $70,884,000This ZIP$70,884,000 |
| Tax returns filed | 4,400This ZIP4,400 |
| Total adjusted gross income | $457,079,000This ZIP$457,079,000 |
Land area
| Land area | 68.68 sq miThis ZIP68.68 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 55920
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 55920
| ZIP | City | Distance |
|---|---|---|
55944 | Kasson, MN | 5.1 mi |
55905 | Rochester, MN | 5.6 mi |
55902 | Rochester, MN | 6.3 mi |
55901 | Rochester, MN | 7.6 mi |
55955 | Mantorville, MN | 7.9 mi |
55903 | Rochester, MN | 9.2 mi |
55960 | Oronoco, MN | 9.8 mi |
55904 | Rochester, MN | 11.7 mi |
55963 | Pine Island, MN | 11.9 mi |
55906 | Rochester, MN | 12.2 mi |
Find every ZIP code within 10 miles of 55920 →
Questions about this ZIP code
Where is ZIP code 55920?
55920 is in Byron, Minnesota, in Olmsted County, part of the Rochester, MN metropolitan area. Its published point location is 44.0124, -92.6211.
What county is 55920 in?
55920 lies in Olmsted County.
What area code is 55920?
Byron uses area code 507, from NANPA's telephone records.
What time zone is 55920 in?
55920 uses America/Chicago.
How many people live in 55920?
About 9,271 people live in ZIP code 55920, in 3,270 households, at 135.0 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 55920?
$131,336 a year, against $89,062 across Minnesota.
What ZIP codes are near 55920?
The closest are 55944 (5.1 mi), 55905 (5.6 mi), 55902 (6.3 mi), 55901 (7.6 mi) and 55955 (7.9 mi).
Is 55920 a PO Box ZIP code?
55920 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “55920 ZIP Code — Byron, Minnesota (Olmsted County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/55920
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/55920.json Underlying data is public domain or openly licensed — sources, vintages and licences.