The ZIP Code, Map and Demographics of Byron, IL

61010 is the only ZIP Code for Byron, IL

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Data Last Updated: June 1, 2026
ZIP Code:61010 (Standard)
County:Ogle County, IL
Area Code:815
Time Zone:Central (GMT -06:00)
Local Time:12:00:00 AM
Population:3,784 (Census Place) [More Demographics]
Statistical Area:Rochelle, IL [Learn More]
Coordinates:42.1374, -89.2655
Land Area:38.19 sq miles (ZIP Code)
Quick Link:
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Byron, IL has 1 ZIP Code


ZIP CodeTypePopulationPop% of Population% of PopAlias Names
61010Standard7,733100.00%
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Population & Demographics


Byron, IL has 7,494 residents, with an average household size of 2.5. The gender split is 50.5% male and 49.5% female - about the same as the national split. By age, the top brackets are 30-34 (4.5%) and 35-39 (4.9%). By race, White and Some Other Race are the largest groups. Hispanic or Latino (of any race) is 9.3%. Those born outside the United States make up 3.6% (lower than the Nation).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.

There are two kinds of demographics shown in the charts for Byron, IL. Each covers a different geographic boundary and has different criteria for what is included. Learn More

Total Population:7,733
Total Households:2,943
Total Housing Units:3,125
Average Household Size:2.59
Average Family Size:2.73

All ZIP Codes assigned this City name by the USPS.

Total Population:3,784
Total Households:1,497
Total Housing Units:1,591
Average Household Size:2.46
Average Family Size:2.97

Data for the U.S. Census Place.

Population Over Time (with 2010 & 2020 Census Benchmarks)


Line chart of All ZIPs in Byron, IL population estimates from 2011-2024, with markers for the 2010 and 2020 Decennial Census counts to show growth or decline over time. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--8,2558,3358,2788,2668,3247,8977,9307,8057,6507,3547,4967,3997,494
Decennial Census8,032------------------7,733------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 40.2

Male Median Age: 39.1

Female Median Age: 41.2

Line Chart showing the population by Age Group and Gender of all ZIPs in Byron, Illinois. One line shows the Total population in that age group, another line shows the Male population for that age group, and the last line shows the Female population for the given age group. A table also provides the same information. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male201300311308186169230255239223261299266224153936139
Female2052922632901871902272312872342582942621971951367592
Total406592574598373359457486526457519593528421348229136131
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


Pie Chart showing Population by Race for all ZIPs in Byron, Illinois. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
White:7,03792.57%
Black:610.80%
Hispanic:*3514.62%
Asian:360.47%
American Indian:310.41%
Hawaiian:00%
Other:861.13%
Total:7,602100%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


Pie chart showing Male vs Demale share of the population. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
GenderCountPercentageMedian Age
Males:3,81849.37%39.1 years
Females:3,91550.63%41.2 years
Total:7,733100%40.2 years

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:7,11995.00%
Native, born in PR, Island Areas, or abroad:430.57%
Foreign born, naturalized U.S. citizen:1612.15%
Foreign born, not a U.S. citizen:1714.43%
Total Population:7,494100%
Total Native Population:7,16295.57%
Total Foreign-born Population:3324.43%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


ZIP Codes in Byron, IL have an average household income of $89,907 (higher than the State by 10.0%, and higher than the Nation by 14.5%). Family vs nonfamily earnings show a significant gap ($108,047 vs $43,482). Employment participation is much higher than the Nation (63.3%). The unemployment rate is 3.9%, which is lower than the Nation (5.2%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Line Chart showing Median Income Estimates from 2011 until 2024 of Median Household Income, Median Family Income, Median Nonfamily Income, Median Male Income, and Median Female Income for all ZIPs in Byron, Illinois. A table also provides the same information. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Income Type2011210220132014201520162017201820192020202120222023
Median Household Income$69,872$69,398$71,632$71,458$71,486$73,845$73,333$76,620$75,433$75,292$76,981$83,750$89,907
Median Family Income$80,156$85,417$90,556$89,706$87,154$91,445$89,282$99,427$104,028$101,179$94,410$99,344$108,047
Median NonFamily Income$33,301$34,720$35,455$37,277$36,106$39,412$38,281$44,336$45,313$38,859$39,773$42,440$43,482
Median Male Income$57,750$61,056$63,325$63,220$64,671$65,694$65,125$73,349$75,206$72,412$74,076$78,039$79,559
Median Female Income$37,212$39,473$38,475$41,071$39,028$37,330$36,779$41,053$41,189$40,278$47,241$49,896$52,895
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Bar Chart showing Average Household Income for all ZIPs in Byron, IL, the U.S. Census Place, Ogle County, the state of Illinois, and the United States National Average. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Source: U.S. Census 2019-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employment status for all ZIPs in Byron, IL: employed, unemployed, and not in the labor force. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Employed:3,81965.58%
Unemployed:1432.46%
Not In Labor Force:1,86131.96%
Total:5,823100%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:1,55740.77%
Service:61516.10%
Sales and Office:73219.17%
Natural resources, construction, and maintenance:3449.01%
Production, transportation, and material moving:57114.95%
Total Civilian Employed Population:3,819100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In Byron, IL, the median home value is $218,300 - much lower than the State by 12.9%, and up $42,000 (23.8%) since 2020. Renters pay an average of $981 per month - much lower than the State by 20.0%, and up $124 (14.5%) since 2020. Most renters in Byron pay under $1,000 (61.6%). About 61.6% pay under $1,000 and 2.4% pay $2,000+; the under $1,000 share is much higher than the Nation. Of occupied housing, owners make up 70.9% (68.3% have a mortgage) and renters make up 29.1% - owners are much higher than the Nation.

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Bar Chart showing median House Value for all ZIPs in Byron, Illinois, the U.S. Census Place, Ogle County, Illinois, and the United States National Average. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Median Home Value Over Time (2011-2024)


Group2011210220132014201520162017201820192020202120222023
Median Home Value$184,200$184,300$181,100$178,000$170,900$170,600$173,300$177,200$174,300$176,300$183,300$212,800$218,300
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:142.63%
$500 to $999:24145.22%
$1,000 to $1,499:13825.89%
$1,500 to $1,999:6512.20%
$2,000 to $2,499:112.06%
$2,500 to $2,999:101.88%
$3,000 or more:00.00%
No Rent:5410.13%
Total:533100%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time (2011-2024)


Group2011210220132014201520162017201820192020202120222023
Median Rent$688$596$600$677$651$669$718$760$788$857$988$1,002$981
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):1,53354.56%
Owner Occupied (free and clear, no mortgage):74426.48%
Renter Occupied:53318.97%
Total Occupied Housing Units:2,810100%

Occupied Housing Units:2,81092.16%
Vacant Housing Units (not graphed):2397.84%
Total Housing Units:3,049100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


31.1% of adults (25+) have a bachelor-s degree or higher, below the state rate (37.2%) and below the national average (35.0%). High school or higher is 95.4%, which is above the state rate (90.3%). The share of people in poverty is 3.7%, which is below the state rate (8.2%) and below the national rate (8.7%), down 2.0 percentage points since 2011 and up 1.7 percentage points from its 2019 pre-pandemic level.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:761.47%
9th to 12th grade, no diploma:1873.62%
High school graduate (includes equivalency):1,37326.58%
Some college, no degree:1,18122.87%
Associate's degree:57211.07%
Bachelor's degree:1,20623.35%
Graduate or professional degree:57011.04%
Total:5,165100%
High school graduate or higher:4,90294.91%
Bachelor's degree or higher:1,77634.39%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:6,26675.30%
Public Insurance:1,88822.69%
No Insurance:1672.01%
Total:8,321100%
Has Health Insurance:8,15497.99%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty5.7%4.7%3.6%2.6%2.4%1.5%2.4%2.5%2.0%3.7%3.4%3.0%3.7%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:1427.03%
Kindergarten:1376.78%
Elementary school (grades 1-8):89444.26%
High school (grades 9-12):32215.94%
College or graduate school:52525.99%
Total:2,020100%
Early Childhood:27913.81%
K-12 (Primary & Secondary School):1,35366.98%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


Byron supports both business and residential activity. According to the Business Census (2024), there are 158 business establishments, employing about 1,901 people with an annual payroll of $145,490,000. USPS data shows 2,934 residential mailboxes and 60 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:2,934Source: USPS
# Business Mailboxes:60Source: USPS
Total Delivery Receptacles:4,842Source: USPS
Single Family Delivery Units:2,908Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:158Source: CBP
1st Quarter Payroll:$38,332,000Source: CBP
Annual Payroll:$145,490,000Source: CBP
# of Employees:1,901Source: CBP

All ZIP Codes assigned this City name by the USPS.

Geography, Land Area, and Statistical Classifications


Byron, IL is located in Ogle County, within the Rochelle, IL Metropolitan Statistical Area (CBSA 40300). It spans 12 of Illinois's Congressional Districts (1st,2nd,3rd,4th,7th,8th,9th,10th,14th,16th,17th, and 24th). This Micro area has a population of 51,536 people, about 15.0% of whom live in Byron. ZIP Codes here cover 38.194 sq mi of land and a water area of 0.542 sq mi.

CBSA Name:Rochelle, ILSource: Census
CBSA Number:40300Source: Census
CBSA Type:MicroSource: Census
CBSA Division:--Source: Census
CBSA Population:51,536Source: Census
MSA:Rockford, IL MSASource: Census
PMSA:--Source: Census
Land Area:38.194 sq miSource: Census
Water Area:0.542 sq miSource: Census
Congressional District(s):01,02,03,04,07,08,09,10,14,16,17,24Source: USPS
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:10240Source: Census
Place Name:Byron city; IllinoisSource: Census

Sum of all ZIP Codes assigned this City name by the USPS.

Adjacent & Nearby Cities from Byron, IL


  1. Stillman Valley, IL~4.2 miles
  2. Leaf River, IL~7.1 miles
  3. Rockford, IL~7.5 miles
  4. Davis Junction, IL~9.3 miles
  5. Chana, IL~10.0 miles
  6. Oregon, IL~10.6 miles
  7. Mount Morris, IL~10.7 miles
  8. German Valley, IL~11.2 miles
  9. Winnebago, IL~12.2 miles
  10. Pecatonica, IL~13.1 miles
  11. Monroe Center, IL~13.7 miles
  12. Lindenwood, IL~15.4 miles
  13. Ridott, IL~15.6 miles
  14. Cherry Valley, IL~16.2 miles
  15. Rochelle, IL~16.5 miles
  16. Forreston, IL~16.6 miles
  17. Baileyville, IL~17.2 miles
  18. Esmond, IL~17.7 miles
  19. Polo, IL~19.0 miles
  20. Loves Park, IL~19.2 miles

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on June 1, 2026.

  1. U.S. Postal Service [Last Updated: 6/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 6/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 6/1/2026], https://nces.ed.gov