Byron, MN · standard

ZIP Code 55920

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

Reviewed by PlainZIP Editorial Team, ZIP Code Data Editors · June 11, 2026

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 classified by USPS as a standard delivery area and covers roughly 181.6 square miles in Byron, Olmsted County, Minnesota. The area is home to 7,026 residents, producing a population density of 39 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 55920 against Minnesota and the nation.

On the economic side, the median household income for ZIP 55920 sits at $131,336 (60% above the Minnesota average), while per-capita income is $50,715. The poverty rate stands at 3.7% and the unemployment rate 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 direct signal of whether 55920 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 47.1% of adults hold a bachelor's degree or higher, the median age is 38.4, and the average commute is 19 minutes. We also surface 7 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Olmsted County, so you can benchmark 55920 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 55920

Construction

39
Other services (except public administration)

21
Retail trade

15
Health care and social assistance

15
Professional, scientific, and technical services

14

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, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 55920, Byron, MN · 2023 Accessed 2026-06-11 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

7,026

Population

181.6

Area (sq mi)

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

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

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

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

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 →

55901

51,917
55902

21,968
55976

7,582
55944

7,151
55920

7,026
55960

3,134
55955

2,746

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

55955

$132,524
55920

$131,336
55960

$130,227
55902

$120,611
55944

$95,180
55901

$94,607
55976

$87,330

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.

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

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.