Effingham is a city located in Effingham County, Illinois. Effingham has a 2026 population of 12,487. It is also the county seat of Effingham County. Effingham is currently growing at a rate of 0.22% annually and its population has increased by 1.29% since the most recent census, which recorded a population of 12,328 in 2020.
The median household income in Effingham is $72,377 with a poverty rate of 14.56%. The median age in Effingham is 39.6 years: 37.3 years for males, and 42.1 years for females. For every 100 females there are 93.1 males.
Data after 2023 is projected based on recent change
Overall: 39.6 years
Female: 42.1 years
Male: 37.3 years
There are 9,712 adults, (2,602 of whom are seniors) in Effingham.
Female: 6,390 (51.8%)
Male: 5,952 (48.2%)
The racial composition of Effingham includes 94.85% White, and smaller percentages for Two or more races, Asian, other race, Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 11,706 | 94.85% |
| Two or more races | 296 | 2.4% |
| Asian | 148 | 1.2% |
| Other race | 91 | 0.74% |
| Black or African American | 82 | 0.66% |
| Native American | 19 | 0.15% |
Effingham 's average per capita income is $49,723. Household income levels show a median of $72,377. The poverty rate stands at 14.56%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $118,929 | - |
| Families | $97,175 | $110,219 |
| Households | $72,377 | $86,680 |
| Non Families | $42,179 | $54,705 |
Average Income
Median Household Income
Poverty Rate