Port Byron is a village located in Rock Island County, Illinois. Port Byron has a 2025 population of 1,637 . Port Byron is currently declining at a rate of -0.37% annually and its population has decreased by -1.68% since the most recent census, which recorded a population of 1,665 in 2020.
The average household income in Port Byron is $120,290 with a poverty rate of 8.62%. The median age in Port Byron is 42 years: 42.5 years for males, and 41.7 years for females. For every 100 females there are 109.5 males.
Data after 2023 is projected based on recent change
The racial composition of Port Byron includes 93.57% White, and smaller percentages for Black or African American, other race and multiracial populations.
White (93.57%)
Two or more races (4.95%)
Black or African American (1.02%)
Other race (0.46%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,833 | 93.57% |
| Two or more races | 97 | 4.95% |
| Black or African American | 20 | 1.02% |
| Other race | 9 | 0.46% |
Married
Widowed
Divorced
Separated
Never Married
Port Byron's average per capita income is $61,696. Household income levels show a median of $101,250. The poverty rate stands at 8.62%.
Name | Median | Mean |
|---|---|---|
| Married Families | $142,625 | - |
| Families | $130,625 | $142,687 |
| Households | $101,250 | $120,290 |
| Non Families | $44,167 | $66,444 |
Average Income
Median Household Income
Poverty Rate