55920 ZIP Code Profile, Map, Data & Demographics

ZIP Code Type: STANDARD
County: Olmsted County
Centroid: Latitude 44.033, Longitude -92.65
Time Zone: Central Time Zone (UTC -6 hours)
Observes DST: Yes

ZIP Code 55920 has segments in 2 Counties (Dodge, Olmsted).

Businesses Addresses: 160
PO Box Addresses: 177
Residential Addresses: 3,294

Multi-Family Addresses: 219
Single Family Addresses: 3,075

The ZIP Code maps and database are updated 4 times per year.
Database updated: October 1, 2025, Maps updated: May 1, 2024.

Byron, MN 55920 Data & Demographics (As of July 1, 2025)

POPULATION
Total Population	9,012 (100%)
Population in Households	8,962 (99.4%)
Population in Families	7,801 (86.6%)
Population in Group Quarters¹	50 ( 0.6%)
Population Density	125
Diversity Index²	21


INCOME
Median Household Income	$118,570
Average Household Income	$150,476
% of Income for Mortgage⁴	25%
Per Capita Income	$55,363
Wealth Index⁵	141
Socioeconomic Status Index⁶	Moderate (64.7)

HOUSING
Total HU (Housing Units)	3,475 (100%)
Owner Occupied HU	2,854 (82.1%)
Renter Occupied HU	458 (13.2%)
Vacant Housing Units	163 ( 4.7%)
Median Home Value	$469,245
Average Home Value	$481,034
Housing Affordability Index³	92

HOUSEHOLDS
Total Households	3,312
Average Household Size	2.71
Family Households	2,501
Average Family Size	3.00

NOTES

Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

Byron, MN 55920 - Peer Comparisons by Rank and Percentile

The table below compares 55920 to the other 882 ZIP Codes in Minnesota by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

GROWTH RATE / YEAR	2020-2025	2025-2030
Population	1.00%	0.58%
Households	1.31%	0.73%
Families		0.66%
Median Household Income		2.58%
Per Capita Income		2.16%
Owner Occupied HU		0.87%

Variable Description	Rank	Percentile
Total Population	# 182	79th
Population Density	# 237	73rd
Median Household Income	# 58	94th
Housing Affordability Index	# 407	46th
Per Capita Income	# 88	90th
Diversity Index	# 459	48th

55920 ZIP Code Profile, Map, Data & Demographics

ZIP Code 55920: Basic Data & USPS Preferred City Name

Byron, MN 55920 Data & Demographics (As of July 1, 2025)

POPULATION

INCOME

HOUSING

HOUSEHOLDS

GROWTH RATE / YEAR

Byron, MN 55920 - Peer Comparisons by Rank and Percentile

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Olmsted County