Port Byron, IL demographics:
population, income, and more

Total population
1,854
-5.4% year-over-year change
Median household income
$111,667/yr
10.3% year-over-year change
Housing units
729
-8.1% year-over-year change

Port Byron population

How many people live in Port Byron

Port Byron is home to 1,854 residents, according to the most recent Census data. Gender-wise, 51.8% of Port Byron locals are male, and 48.2% are female.

Total population
1,854
-5.4% year-over-year change
Gender ratio
Male
51.8%
961
Female
48.2%
893
Value Percent YoY change
Male 961 51.8% -6.2%
Female 893 48.2% -4.5%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Port Byron is 42, with the population distributed as follows: about 21.9% are children under 15, then 9.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 24.5% of the population, while another 27.6% fall into the 45 to 64 bracket. Finally, around 16.4% are 65 or older.

Median age
41.6
Age breakdown
Under 15
21.9%
15 to 24
9.6%
25 to 44
24.5%
45 to 64
27.6%
Over 65
16.4%
Value Percent YoY change
Under 15 406 21.9% 4.6%
15 to 24 177 9.6% -19.2%
25 to 44 455 24.5% 3.2%
45 to 64 511 27.6% -10.0%
Over 65 305 16.4% -11.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Port Byron, 97.8% of the population are US-born citizens, while 1.3% have gained naturalized citizenship. At the same time, 0.9% of residents are non-citizens. There’s also a share of 8.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.8%
Non-U.S.-born citizens
1.3%
Non-citizens
0.9%
Value Percent YoY change
U.S.-born citizens 1,814 97.8% -5.2%
Non-U.S.-born citizens 24 1.3% -17.2%
Non-citizens 16 0.9% 0.0%
Racial breakdown
White
91.3%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
8.2%
Other
0.5%
Value Percent
White 1,692 91.3%
Two or more races 152 8.2%
Other 10 0.5%

Households in Port Byron

A peek inside Port Byron households

Port Byron has 710 households, with an average of 3 members in each. Of these, 70.1% are families, while the remaining 29.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
710
-8.4% year-over-year change
Average people per household
3
Non-family households
212
Family households
498
Value Percent YoY change
Non-family households 212 29.9% -11.7%
Family households 498 70.1% -6.9%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Port Byron

The housing landscape of Port Byron

Port Byron's housing consists of 729 units, with 84% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.7% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.4% of the housing landscape.

Housing units
729
-8.1% year-over-year change
Housing types
Value Percent
1 unit, detached 612 84%
1 unit, attached 5 0.7%
2 units 7 1%
3 or 4 units 14 1.9%
5 to 9 units 86 11.8%
10 to 19 units 2 0.3%
Mobile home 3 0.4%
Homes built since 2020
0
% year-over-year change

The age of buildings in Port Byron

In Port Byron, the median construction year is 1976. About 22.5% of homes were built before the 1940s, with another 2.2% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 164 22.5% 3.8%
Built between 1940 and 1949 16 2.2% -36.0%
Built between 1950 and 1959 58 8% -23.7%
Built between 1960 and 1969 51 7% -25.0%
Built between 1970 and 1979 126 17.3% -2.3%
Built between 1980 and 1989 43 5.9% 19.4%
Built between 1990 and 1999 125 17.2% -26.0%
Built between 2000 and 2009 120 16.5% 11.1%
Built between 2010 and 2019 26 3.6% 8.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Port Byron occupancy rates

Out of the 710 occupied housing units in Port Byron, 84.4% are owner-occupied, while 15.6% are lived in by tenants. Meanwhile, 2.6% of all homes on the local market sit vacant.

Occupied housing units
710
-8.4% year-over-year change
Occupancy breakdown
Renter occupied
111
Owner occupied
599
Value Percent YoY
change
Renter occupied 111 15.6% -3.5%
Owner occupied 599 84.4% -9.2%
Unoccupied housing units
2.6%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Port Byron housing costs

Housing costs in Port Byron come to a median of $1,289 per month, while tenants specifically pay a median gross rent of $525.

Median housing costs per month
$1,289/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Port Byron
$525/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Port Byron

Port Byron education at a glance

About 27.8% of the population in Port Byron went to high school, while 25.5% pursued college studies. Another 9.9% earned an associate degree and 24.2% hold a bachelor’s. Meanwhile, 11% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 22 1.6% 83.3%
High school diploma 385 27.8% -3.5%
College diploma 353 25.5% -12.4%
Associate degree 137 9.9% 12.3%
Bachelor's degree 336 24.2% -9.4%
Graduate degree 153 11% -9.5%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Port Byron

How much people earn in Port Byron

The average annual household income in Port Byron was $128,377 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +6.7% change from the previous year. At the same time, the median income stood at $111,667, reflecting a +10.3% shift over the same period.

Average household income in Port Byron
$128,377/year
6.7% year-over-year change
Median household income in Port Byron
$111,667/year
10.3% year-over-year change

Port Byron income by age

In Port Byron, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $140,313. Those with someone between 45 and 64 in charge, often well established professionally, earn $129,808 overall. Overall, 92.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $140,313 -1.6%
45 - 64 $129,808 32.6%
Over 65 $79,792 2.5%
Above poverty level
1,691
Below poverty level
134
Value Percent YoY
change
Above poverty level 1,691 92.7% -4.2%
Below poverty level 134 7.3% -16.2%

Average renter income in Port Byron

To get a better sense of what renters earn on average in Port Byron, their median household income was $30,521 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 20.6%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$30,521
Rent-to-income ratio
20.6%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Port Byron

Workforce and job types in Port Byron

The job market in Port Byron is powered by 847 working residents, spread across a range of industries and roles. 81.2% of the working population are employed in professional or administrative positions, while 18.8% are in hands-on or service-based jobs. Also, 6.6% run their own businesses, 72% are employed by private companies, and 12.2% work in the public sector.

Workforce demographics

Working population
847
-3.3% year-over-year change
White collar
688
Blue collar
159
Value Percent YoY change
White collar 688 81.2% -3.6%
Blue collar 159 18.8% -1.9%
Employer type
Self employees
6.6%
Private companies
72%
Governmental workers
12.2%
Not for profit companies
9.2%
Value Percent YoY change
Self employees 56 6.6% -9.7%
Private companies 610 72% -3.6%
Governmental workers 103 12.2% 12.0%
Not for profit companies 78 9.2% -12.4%
Unemployment rate
2.9%
-13.8% year-over-year change

Available workforce

The unemployment rate in Port Byron stands at 2.9%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Port Byron

How people get around in Port Byron

Commuting methods vary: 78.1% of residents travel by personal vehicle and 3% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 650 78.1% -7.1%
Walk 25 3% -19.4%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Port Byron by zipcode?

Zipcode Population Number of households Median income Average income
61275 4,253 1,695 $108,438 $118,781

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FAQs about Port Byron demographics 

What is the total population of Port Byron?

Port Byron has a total population of 1,854 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -5.4% compared to a year ago.

What is the gender ratio in Port Byron?

The gender ratio in Port Byron is as follows:
  • 51.8% males (961 residents)
  • 48.2% females (893 residents)

What is the median age in Port Byron?

The median age in Port Byron is 41.6.

What is the age distribution of the population in Port Byron?

The age distribution in Port Byron is as follows:
  • Under 15: 21.9% (406 residents)
  • Ages 15-24: 9.6% (177 residents)
  • Ages 25-44: 24.5% (455 residents)
  • Ages 45-64: 27.6% (511 residents)
  • Over 65: 16.4% (305 residents)

What is the racial and ethnic makeup of Port Byron?

The racial and ethnic makeup of Port Byron is as follows:
  • White: 91.3% (1,692 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 8.2% (152 residents)
  • Other: 0.5% (10 residents)

What percentage of the population in Port Byron are U.S.-born citizens?

U.S.-born citizens represent 97.8% of the population in Port Byron.

How many housing units are there in Port Byron?

There are 729 housing units in Port Byron, reflecting a -8.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Port Byron and what is the average household size?

Port Byron has a total of 710 households, with an average of 3 people in each.

What is the median household income in Port Byron?

Port Byron has a median household income of $111,667, representing a +10.3% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Port Byron?

The employment rate is 97.1% in Port Byron, with a workforce of 847 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 81.2% (688 residents)
  • Blue-collar workers: 18.8% (159 residents)

Places of employment:
  • Self-employed: 6.6% (56 residents)
  • Private companies: 72% (610 residents)
  • Governmental workers: 12.2% (103 residents)
  • Not-for-profit companies: 9.2% (78 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025