PlainZIP

Byron, MN · standard

ZIP Code 55920

Olmsted County, Minnesota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

7,026
39/sq mi
$131,336
Median income
$372,600
Median home value
47.1%
Bachelor's or higher

The verdict

Byron pairs a top-decile household income with upper-quartile home values, in a rural, homeowner-dominated area.

Top 7%
household income, US ZIPs
Top 24%
home value, US ZIPs
39
people per sq mi
86%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 55920 against every reporting US ZIP.

ZIP code 55920 is a mid-sized community (a standard USPS delivery area) in Byron, Olmsted County, Minnesota, home to 7,026 residents across 181.6 square miles, a density of 39 people per square mile, in the Chicago time zone.

ZIP 55920 skews affluent, with a median household income of $131,336 (60% above the Minnesota average), while per-capita income is $50,715. Poverty here runs at 3.7%, with unemployment measured at 3.5%. On housing, the median home value is $372,600 (46% above the state average) with median rent at $1,138 per month, and 85.6% of occupied units are owner-occupied.

A solid share of residents have a four-year degree: 47.1% of adults hold a bachelor's degree or higher, the median age is 38.4, and the average commute is 19 minutes. Beyond these figures, 7 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Olmsted County, letting you compare 55920 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 55920

Top 5 sectors by establishment count in Byron, MN

Which industries have the most business establishments in ZIP 55920.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 55920, Byron, MN · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

7,026

Population

181.6

Area (sq mi)

39

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 55920?

38.4

Median Age

48.6%

Male

51.4%

Female

2.8%

Foreign-Born

White 90.5%
African American 1.1%
Asian 2.4%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.6%
Hispanic or Latino 2.4%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$131,336

Median Household Income

+60% vs state

$50,715

Per Capita Income

3.7%

Poverty Rate

3.5%

Unemployment Rate

19.0 min

Mean Commute Time

How ZIP 55920 ranks nationally

Byron, MN household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$131,336 Top 7% higher than 93% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 66.8%
Bachelor's Degree or Higher 47.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

3,354

Total Housing Units

3,270

Occupied Units

84

Vacant Units

2.83

Avg Household Size

Occupancy Type

Owner 85.6%
Renter 14.4%

$372,600

Median Home Value

+46% vs state

$1,138

Median Rent

1995

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+4.3%

YoY Change (2024)

214

HPI Index (2000 = 100)

+114%

Total Change Since 2000

Home values in ZIP 55920 have increased 4.3% over the past year (2024). Since 2000, this ZIP has seen +114% cumulative appreciation.

Year Annual Change HPI Index
2020 +2.5% 161
2021 +9.0% 175
2022 +12.4% 197
2023 +4.0% 205
2024 +4.3% 214

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 166 business establishments in ZIP 55920, employing approximately 1,452 people with a combined annual payroll of $70,884,000.

166

Businesses

1,452

Employees

$70.9M

Annual Payroll

14

Industry Sectors

Industry Establishments % of Total
Construction 39 23.5%
Other services (except public administration) 21 12.7%
Retail trade 15 9.0%
Health care and social assistance 15 9.0%
Professional, scientific, and technical services 14 8.4%
Accommodation and food services 12 7.2%
Administrative and support and waste management and remediation services 9 5.4%
Wholesale trade 8 4.8%
Finance and insurance 8 4.8%
Real estate and rental and leasing 8 4.8%
Transportation and warehousing 7 4.2%
Agriculture, forestry, fishing and hunting 3 1.8%
Mining, quarrying, and oil and gas extraction 3 1.8%
Manufacturing 3 1.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 55920 vs 55905 →

ZIP 55920 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 55920 ranks #5 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 55920 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 55920 ranks #2 of 7 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
55905 Rochester, MN 0 5.6 mi
55944 Kasson, MN 7,151 6.0 mi
55902 Rochester, MN 21,968 6.2 mi
55901 Rochester, MN 51,917 6.9 mi
55955 Mantorville, MN 2,746 7.8 mi
55960 Oronoco, MN 3,134 9.7 mi
55976 Stewartville, MN 7,582 12.3 mi

More ZIP Codes in Olmsted County

55901 standard
Rochester, MN
Pop: 51,917
55904 standard
Rochester, MN
Pop: 26,332
55902 standard
Rochester, MN
Pop: 21,968
55906 standard
Rochester, MN
Pop: 17,598
55976 standard
Stewartville, MN
Pop: 7,582
55934 standard
Eyota, MN
Pop: 3,338

Related Areas

Olmsted County Byron, MN Minnesota

Frequently Asked Questions

What county is ZIP code 55920 in? ▼
ZIP code 55920 (Byron) is located in Olmsted County, Minnesota. Olmsted County contains multiple ZIP codes, see the full list at /counties/olmsted-mn.
What is the population of ZIP code 55920? ▼
ZIP code 55920 in Byron, MN has a population of 7,026 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 55920? ▼
The median household income in ZIP 55920 is $131,336, which is 72% above the national average of $76,288.
What is the average home value in ZIP 55920? ▼
The median home value in ZIP 55920 is $372,600, which is 34% above the national average of $278,155.
What is the demographic makeup of ZIP 55920? ▼
The largest racial group in ZIP 55920 is White at 90.5%. Hispanic or Latino residents make up 2.4% of the population.
How many businesses are in ZIP code 55920? ▼
ZIP code 55920 has 166 business establishments employing approximately 1,452 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 55920? ▼
The top industries by establishment count in ZIP 55920 are: Construction (39), Other services (except public administration) (21), Retail trade (15). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 55920? ▼
According to the FHFA House Price Index, home values in ZIP 55920 increased by 4.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 114%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 55920? ▼
In ZIP code 55920, 66.8% of residents aged 25+ have a high school diploma or higher, and 47.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 55920? ▼
The mean commute time for workers in ZIP code 55920 is 19.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 55920? ▼
In ZIP code 55920, approximately 85.6% of occupied housing units are owner-occupied and 14.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 55920? ▼
The poverty rate in ZIP code 55920 is 3.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.