Eliza township is located in Mercer County, Illinois. Eliza township has a 2026 population of 393. Eliza township is currently declining at a rate of -1.01% annually and its population has decreased by -3.91% since the most recent census, which recorded a population of 409 in 2020.
The median household income in Eliza township is $129,167 with a poverty rate of 3.38%. The median age in Eliza township is 42.1 years: 44.5 years for males, and 17.5 years for females. For every 100 females there are 55.8 males.
Data after 2023 is projected based on recent change
Overall: 42.1 years
Female: 17.5 years
Male: 44.5 years
There are 272 adults, (55 of whom are seniors) in Eliza township.
Female: 285 (64.2%)
Male: 159 (35.8%)
The racial composition of Eliza township includes 96.17% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 427 | 96.17% |
| Two or more races | 17 | 3.83% |
Eliza township 's average per capita income is $53,000. Household income levels show a median of $129,167. The poverty rate stands at 3.38%.
| Name | Median ↓ | Mean |
|---|---|---|
| Families | $144,934 | $185,661 |
| Married Families | $144,934 | - |
| Households | $129,167 | $138,168 |
| Non Families | $33,274 | $24,405 |
Average Income
Median Household Income
Poverty Rate