Tiffin is a city located in Johnson County, Iowa. Tiffin has a 2026 population of 7,730. Tiffin is currently growing at a rate of 7.18% annually and its population has increased by 67.17% since the most recent census, which recorded a population of 4,624 in 2020.
The median household income in Tiffin is $100,952 with a poverty rate of 7.62%. The median age in Tiffin is 33 years: 30.7 years for males, and 33.9 years for females. For every 100 females there are 93.4 males.
Data after 2023 is projected based on recent change
Overall: 33 years
Female: 33.9 years
Male: 30.7 years
There are 4,168 adults, (586 of whom are seniors) in Tiffin.
Female: 2,966 (51.7%)
Male: 2,771 (48.3%)
The racial composition of Tiffin includes 83.51% White, 4.08% Black or African American, 3.1% other race, and smaller percentages for Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 4,791 | 83.51% |
| Two or more races | 376 | 6.55% |
| Black or African American | 234 | 4.08% |
| Other race | 178 | 3.1% |
| Asian | 138 | 2.41% |
| Native American | 20 | 0.35% |
Tiffin 's average per capita income is $71,518. Household income levels show a median of $100,952. The poverty rate stands at 7.62%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $143,865 | - |
| Families | $127,457 | $190,124 |
| Households | $100,952 | $150,518 |
| Non Families | $62,314 | $62,068 |
Average Income
Median Household Income
Poverty Rate