Lacon is located in Marshall County, Illinois. Lacon has a 2025 population of 2,308 . It is also the county seat of Marshall County . Lacon is currently declining at a rate of -0.86% annually and its population has decreased by -1.54% since the most recent census, which recorded a population of 2,344 in 2020.
The median household income in Lacon is $69,637 with a poverty rate of 12.23%. The median age in Lacon is 43.6 years: 43.5 years for males, and 43.6 years for females. For every 100 females there are 97.3 males.
Data after 2023 is projected based on recent change
The racial composition of Lacon includes 96.77% White, and smaller percentages for other race, Black or African American, Asian, Two or more races, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
White (96.77%)
Other race (1.13%)
Black or African American (1.09%)
Asian (0.42%)
Two or more races (0.29%)
Native Hawaiian or Pacific Islander (0.25%)
Native American (0.04%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,304 | 96.77% |
| Other race | 27 | 1.13% |
| Black or African American | 26 | 1.09% |
| Asian | 10 | 0.42% |
| Two or more races | 7 | 0.29% |
| Native Hawaiian or Pacific Islander | 6 | 0.25% |
| Native American | 1 | 0.04% |
Married
Widowed
Divorced
Separated
Never Married
Lacon's average per capita income is $48,475. Household income levels show a median of $69,637. The poverty rate stands at 12.23%.
Name | Median | Mean |
|---|---|---|
| Married Families | $91,016 | - |
| Families | $87,188 | $107,299 |
| Households | $69,637 | $91,938 |
| Non Families | $35,278 | $59,595 |
Average Income
Median Household Income
Poverty Rate