Port Byron township Flag

Port Byron township

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

Port Byron township is located in Rock Island County, Illinois. Port Byron township has a 2026 population of 1,380. Port Byron township is currently growing at a rate of 0.44% annually but its population has decreased by -0.72% since the most recent census, which recorded a population of 1,390 in 2020.

The median household income in Port Byron township is $77,083 with a poverty rate of 10.31%. The median age in Port Byron township is 47.5 years: 48.6 years for males, and 46.4 years for females. For every 100 females there are 119.0 males.

1.4K
Total Population
390
Density (mi²)
6 0.44%
Growth

Port Byron township Population

Port Byron township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,38060.44%
20251,37460.44%
20241,36860.44%
20231,362-1-0.07%
20221,363-9-0.66%
20211,372-18-1.29%
20201,390-2-0.14%
20191,403-9-0.64%
20181,412-11-0.77%
20171,423-6-0.42%
20161,429-11-0.76%
20151,440-8-0.55%
20141,448-3-0.21%
20131,451-2-0.14%
20121,45350.35%
20111,44820.14%
20101,44430.21%

Median Age

Overall: 47.5 years
Female: 46.4 years
Male: 48.6 years

Port Byron township Adults

There are 1,045 adults, (303 of whom are seniors) in Port Byron township.

Sex Ratio

Female: 595 (45.7%)
Male: 708 (54.3%)

Demographics

The racial composition of Port Byron township includes 89.49% White, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,16689.49%
Two or more races1279.75%
Other race100.77%
Race
Population ↓
Percentage (of total)
Two or more races906.91%
White282.15%
Other race100.77%
Race
Population ↓
Percentage (of total)
White1,13887.34%
Two or more races372.84%

Port Byron township Marital Status

Economics and Income Statistics

Port Byron township 's average per capita income is $55,326. Household income levels show a median of $77,083. The poverty rate stands at 10.31%.

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$112,500-
Families$106,250$115,168
Households$77,083$95,463
Non Families$56,607$61,232

$55,326

Average Income

$77,083

Median Household Income

10.31%

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)