Port Byron Flag

Port Byron

County Seat:
No
Area (mi²):
3.537
State:
Illinois

Port Byron is located in Rock Island County, Illinois. Port Byron has a 2025 population of 1,345. Port Byron is currently declining at a rate of -0.37% annually and its population has decreased by -3.1% since the most recent census, which recorded a population of 1,388 in 2020.

The average household income in Port Byron is $94,925 with a poverty rate of 11.28%. The median age in Port Byron is 49.6 years: 48.5 years for males, and 51.3 years for females.

1.3K
Total Population
380
Density (mi²)
-5 -0.37%
Growth

Port Byron Population

Port Byron Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Port Byron includes 91.35% White, and smaller percentages for Black or African American, other race and multiracial populations.

Population by Race

White (91.3%)

Two or more races (6.6%)

Black or African American (1.4%)

Other race (0.7%)

Race
Population
Percentage (of total)
White1,26791.35%
Two or more races916.56%
Black or African American201.44%
Other race90.65%

Port Byron Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Port Byron's average per capita income is $55,357. Household income levels show a median of $81,354. The poverty rate stands at 11.28%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$104,792-
Families$101,417$112,310
Households$81,354$94,925
Non Families$40,000$65,660

$55,357

Average Income

$81,354

Median Household Income

11.28%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)