55920 ZIP Code — Byron, MN
Olmsted County, Minnesota
ZIP code 55920 is located in Byron, Minnesota, within Olmsted County. It covers approximately 68.72 square miles and serves a population of 8,523 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 507.
About ZIP code 55920
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $326,800. Owner-occupancy is high at 85%, well above the national average.
Median household income is $127,566. The poverty rate of 4% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.
Educational attainment is high — 49% of residents hold a bachelor's degree or higher, well above the national average of 33%.
8,523
population
68.72
sq mi land
Standard
ZIP type
Central (CT)
timezone
55920 ZIP code map
Cities in ZIP code 55920
Below are the cities the US Postal Service accepts for ZIP code 55920. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Byron | Preferred |
Nearby ZIP codes
55902 Rochester (6 mi)
55944 Kasson (6.3 mi)
55901 Rochester (6.9 mi)
55905 Rochester (7.4 mi)
55955 Mantorville (7.9 mi)
55960 Oronoco (9.4 mi)
55976 Stewartville (11.2 mi)
55904 Rochester (11.5 mi)
55940 Hayfield (11.8 mi)
55927 Dodge Center (12.2 mi)
55963 Pine Island (12.2 mi)
55906 Rochester (12.9 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 8,523 |
| Population density | 124 / sq mi |
| State FIPS | 27 |
| County FIPS | 109 |
| Geography | |
|---|---|
| Land area | 68.72 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 44.0094 |
| Longitude | -92.6179 |
| Timezone | Central (CT) |
| Area code | 507 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 18.1% | 29.7% | 33.6% |
| $50k – $100k | 30.4% | 31.7% | 31.5% |
| $100k – $200k | 40.3% | 29.1% | 26.5% |
| Over $200k | 11.2% | 9.6% | 8.5% |
Demographics & statistics
8,523
Population
124
People per sq mi
39.2
Median age
$127,566
Median household income
$53,331
Per capita income
$326,800
Median home value
$998
Median monthly rent
85.3%
Home ownership
4.4%
Poverty rate
3.7%
Unemployment
2,773
Housing units
48.5%
Bachelor's or higher
Age distribution
Male
Female
188
Under 5
204
351
5–9
380
442
10–14
480
322
15–19
349
117
20–24
126
461
25–34
499
629
35–44
683
546
45–54
592
226
55–59
245
244
60–64
264
325
65–74
353
171
75–84
185
68
85+
73
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 2,538 | 29.8% |
| 18 and over | 5,985 | 70.2% |
| 65 and over | 1,175 | 13.8% |
| Median age | 39.2 years | |
Race & ethnicity
White
89.1%
Hispanic or Latino
3.1%
Asian
2.5%
Other race
2.2%
Two or more races
2.2%
Black or African American
0.9%
| Group | Count | % |
|---|---|---|
| White | 7,834 | 89.1% |
| Hispanic or Latino | 273 | 3.1% |
| Asian | 222 | 2.5% |
| Other race | 195 | 2.2% |
| Two or more races | 193 | 2.2% |
| Black or African American | 79 | 0.9% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 18.1% | 29.7% | 33.6% |
| $50k – $100k | 30.4% | 31.7% | 31.5% |
| $100k – $200k | 40.3% | 29.1% | 26.5% |
| Over $200k | 11.2% | 9.6% | 8.5% |
Under $10k
2.5%
$10k–$15k
2.1%
$15k–$25k
5.0%
$25k–$35k
4.8%
$35k–$50k
6.7%
$50k–$75k
8.4%
$75k–$100k
10.7%
$100k–$150k
19.4%
$150k–$200k
21.4%
$200k+
18.9%
| Range | % of households |
|---|---|
| Under $10k | 2.5% |
| $10k–$15k | 2.1% |
| $15k–$25k | 5.0% |
| $25k–$35k | 4.8% |
| $35k–$50k | 6.7% |
| $50k–$75k | 8.4% |
| $75k–$100k | 10.7% |
| $100k–$150k | 19.4% |
| $150k–$200k | 21.4% |
| $200k+ | 18.9% |
| Median income | $127,566 |
Housing
Home values
Under $50k
2.5%
$50k–$100k
2.2%
$100k–$150k
2.2%
$150k–$200k
8.4%
$200k–$300k
29.7%
$300k–$500k
33.8%
$500k–$1M
20.1%
$1M+
1.0%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $326,800 |
| Median rent / month | $998 |
| Owner occupied | 85.3% |
| Renter occupied | 14.7% |
| Vacant | 1.9% |
| Single-family detached | 83.3% |
| Large apartment buildings | 3.1% |
| Mobile homes | 1.1% |
| Median rooms | 7.3 |
| Avg household size (owned) | 2.81 |
Year built
| Era | % |
|---|---|
| 2020 or later | 1.1% |
| 2010–2019 | 13.4% |
| 2000–2009 | 28.2% |
| 1990–1999 | 17.5% |
| 1980–1989 | 13.0% |
| 1970–1979 | 6.6% |
| 1960–1969 | 6.1% |
| 1950–1959 | 5.1% |
| 1940–1949 | 0.9% |
| 1939 or earlier | 8.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.4% |
| 1 bedroom | 4.5% |
| 2 bedrooms | 18.9% |
| 3 bedrooms | 22.2% |
| 4 bedrooms | 40.9% |
| 5+ bedrooms | 13.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 2.5% |
| 1 vehicle | 20.9% |
| 2 vehicles | 42.8% |
| 3 or more | 33.8% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 63.0% |
| Electricity | 13.8% |
| Propane / LP gas | 20.5% |
| Fuel oil | 0.3% |
| Wood | 1.2% |
| Solar | 0.1% |
| No fuel used | 0.5% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 2,079 | 65.4% |
| Cohabiting couple | 209 | 6.6% |
| Male householder, no spouse | 305 | 9.6% |
| Female householder, no spouse | 586 | 18.4% |
| Households with children under 18 | 1,240 | 39.0% |
| Households with seniors (65+) | 816 | 25.7% |
| Average household size | 2.68 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 24.3% | 26.0% |
| Married | 66.2% | 60.5% |
| Separated | 0.2% | 0.5% |
| Widowed | 0.8% | 6.0% |
| Divorced | 8.5% | 7.1% |
Education
Less than 9th grade
0.1%
Some HS, no diploma
1.6%
HS graduate
20.0%
Some college, no degree
17.1%
Associate's degree
12.7%
Bachelor's degree
27.8%
Graduate / professional
20.7%
| Metric | % |
|---|---|
| HS diploma or higher | 98.3% |
| Bachelor's or higher | 48.5% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 134 | 5.1% |
| Kindergarten | 62 | 2.4% |
| Elementary school | 1,520 | 58.3% |
| High school | 569 | 21.8% |
| College / grad school | 322 | 12.4% |
Employment
Industry of employment
Education & healthcare
48.6%
Retail trade
8.4%
Manufacturing
7.1%
Construction
7.0%
Professional & management
6.9%
Arts, food & hospitality
6.0%
Finance & real estate
3.4%
Transportation & utilities
3.1%
Other services
3.1%
Public administration
2.6%
Agriculture & mining
2.2%
Wholesale trade
1.0%
Information
0.8%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 55.7% |
| Service | 11.2% |
| Sales & office | 18.1% |
| Natural resources & construction | 7.3% |
| Production & transportation | 7.7% |
Employment type
| Type | % |
|---|---|
| Private sector | 87.9% |
| Government | 8.1% |
| Self-employed | 4.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 71.3% |
| Carpool | 10.1% |
| Public transit | 1.3% |
| Walk | 0.9% |
| Work from home | 15.4% |
| Other means | 1.1% |
| Avg commute (minutes) | 21.9 |
Poverty
All people
4.4%
Under 18 years
7.0%
18 and over
3.3%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 25.1% |
| Retirement income | 21.8% |
| Supplemental Security | 1.5% |
| Cash public assistance | 1.8% |
| Food stamps / SNAP | 5.5% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 31.3% |
| High blood pressure | 22.8% |
| High cholesterol | 28.1% |
| Diabetes | 6.7% |
| Heart disease | 4.4% |
| Stroke | 2.0% |
| Asthma | 8.8% |
| Arthritis | 19.6% |
| Kidney disease | 2.1% |
| Pulmonary disease | 3.9% |
| Cancer | 6.1% |
| Behavior / access | % |
|---|---|
| Smoking | 13.9% |
| Binge drinking | 20.5% |
| No physical activity | 14.9% |
| Less than 7 hrs sleep | 26.2% |
| Depression | 22.1% |
| Fair or poor health | 8.0% |
| Poor mental health | 12.5% |
| Poor physical health | 6.9% |
| No health insurance | 8.4% |
| Visited doctor (checkup) | 64.0% |
| Visited dentist | 75.2% |
| Cholesterol screening | 90.7% |
| Teeth loss | 6.8% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 405 | 6.8% |
| Disability | % |
|---|---|
| Any disability | 8.7% |
| Under 18 | 2.6% |
| 18–64 years | 7.3% |
| 65 and over | 27.2% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 85.4% |
| Public insurance | 25.0% |
| No insurance | 1.4% |
| Uninsured under 19 | 0.1% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 8,131 | 95.4% |
| Spanish | 71 | 0.9% |
| Other Indo-European | 8 | 0.1% |
| Asian & Pacific Islander | 14 | 0.2% |
| Other languages | 49 | 0.6% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 8,271 | 97.0% |
| Born in same state | 8,231 | 96.6% |
| Born in different state | 5,902 | 69.2% |
| Foreign born | 40 | 0.5% |
| Naturalized citizen | 252 | 3.0% |
| Not a US citizen | 170 | 67.5% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Polish | 1,403 | 16.5% |
| French | 925 | 10.9% |
| Italian | 892 | 10.5% |
| Arab | 219 | 2.6% |
| English | 144 | 1.7% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 109 | 1.3% |
| German | 102 | 1.2% |
| Norwegian | 10 | 0.1% |
| Irish | 2 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 37.3% |
| Internet access | 97.5% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 55920
What city is ZIP code 55920 in?
ZIP code 55920 is primarily assigned to Byron, Minnesota.
What county is ZIP code 55920 in?
ZIP code 55920 falls within Olmsted County, Minnesota.
Is ZIP code 55920 mostly owner-occupied?
85% of occupied units in ZIP code 55920 are owner-occupied, well above the national average.
How educated is the population of ZIP code 55920?
49% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the median household income in ZIP code 55920?
The median household income in ZIP code 55920 is $127,566, above the national median of ~$75,000.
What is the typical home value in ZIP code 55920?
The median home value in ZIP code 55920 is $326,800.
What timezone is ZIP code 55920 in?
ZIP code 55920 observes the CST timezone.