Meridian is located in Clinton County, Illinois. Meridian has a 2025 population of 511 . Meridian is currently growing at a rate of 0.79% annually and its population has increased by 2.61% since the most recent census, which recorded a population of 498 in 2020.
The average household income in Meridian is $73,926 with a poverty rate of 0%. The median age in Meridian is 55.1 years: 48.5 years for males, and 56.7 years for females. For every 100 females there are 122.4 males.
Data after 2023 is projected based on recent change
The racial composition of Meridian includes 90.76% White, 4.2% Asian, and smaller percentages for and multiracial populations.
White (90.76%)
Two or more races (5.04%)
Asian (4.2%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 432 | 90.76% |
| Two or more races | 24 | 5.04% |
| Asian | 20 | 4.2% |
Married
Widowed
Divorced
Separated
Never Married
Meridian's average per capita income is $46,304. Household income levels show a median of $73,125. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Married Families | $89,107 | - |
| Families | $88,750 | $97,437 |
| Households | $73,125 | $73,926 |
| Non Families | $50,179 | $52,358 |
Average Income
Median Household Income
Poverty Rate