Lacon is a city located in Marshall County, Illinois. Lacon has a 2026 population of 1,821. It is also the county seat of Marshall County. Lacon is currently declining at a rate of -0.44% annually and its population has decreased by -2.67% since the most recent census, which recorded a population of 1,871 in 2020.
The median household income in Lacon is $63,162 with a poverty rate of 14.79%. The median age in Lacon is 38.8 years: 39.5 years for males, and 38.4 years for females. For every 100 females there are 106.0 males.
Data after 2023 is projected based on recent change
Overall: 38.8 years
Female: 38.4 years
Male: 39.5 years
There are 1,479 adults, (407 of whom are seniors) in Lacon.
Female: 930 (48.5%)
Male: 986 (51.5%)
The racial composition of Lacon includes 96.97% White, and smaller percentages for other race, Black or African American, Two or more races, Native American, Native Hawaiian or Pacific Islander, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,858 | 96.97% |
| Other race | 23 | 1.2% |
| Black or African American | 14 | 0.73% |
| Two or more races | 13 | 0.68% |
| Native American | 5 | 0.26% |
| Native Hawaiian or Pacific Islander | 2 | 0.1% |
| Asian | 1 | 0.05% |
Lacon 's average per capita income is $39,792. Household income levels show a median of $63,162. The poverty rate stands at 14.79%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $72,031 | - |
| Families | $69,063 | $80,984 |
| Households | $63,162 | $72,976 |
| Non Families | $35,469 | $56,545 |
Average Income
Median Household Income
Poverty Rate