ZIP code · Byron · Minnesota · United States
ZIP code 55920 — Byron
ZIP code 55920 serves Byron, Minnesota.
- Postal code
- 55920Single source Value from one source, not cross-checked.
- City
- Byron
- County
- Olmsted FIPS 27109
- State
- Minnesota
- Country
- United States
- Coordinates
- 44.0373, -92.6308 — precision precise (locality)
View on OpenStreetMap - Population
- 8,747 (ZCTA, ACS 5-year)
- Population density
- 127 / sq mi
- Land area
- 68.7 sq mi (178 km²) (ZCTA, ACS 5-year)
- Median household income
- $126,102
- Per-capita income
- $52,935
- Median age
- 39.4
- Households
- 3,224
- Housing units
- 3,294
- Median home value
- $356,900
- Median gross rent
- $1,085 / month
- Congressional district
- MN-1 (119th Congress)
- USDA hardiness zone
- 4b (-25 to -20 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 507Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 55920 with another ZIP · ZIPs within 25 miles · distance from 55920
Map of ZIP code 55920
Climate — monthly normals
Warmest month Jul (avg high 81°F), coldest Jan (avg low 4°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 23 | 27 | 40 | 55 | 68 | 78 | 81 | 79 | 72 | 58 | 42 | 28 |
| Avg low °F | 4 | 6 | 20 | 32 | 44 | 55 | 58 | 55 | 47 | 34 | 23 | 11 |
| Precip in | 1.0 | 1.1 | 2.1 | 3.6 | 4.3 | 5.3 | 4.6 | 4.8 | 3.5 | 2.4 | 1.9 | 1.3 |
NOAA 1991–2020 climate normals from the nearest station: BYRON 4NORTH (3.7 mi) · NOAA NCEI
Places in ZIP 55920
- 7 schools
- 1 supermarkets
- 3 restaurants & cafés
- 1 bars & pubs
- 14 parks
- 24 playgrounds
- 2 gyms & sports centres
- 1 post offices
- 5 places of worship
- 2 banks
- 2 gas stations
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page