City in Johnson County, Iowa · 4.3 sq mi · 1,793 people per sq mi
About 7,700 people live in Tiffin. The typical household earns $100,952, and the median resident is 33 years old.
2026 projection
From 4,625 in 2020
Poverty rate 7.62%
Men 30.7 · Women 33.9
2010–2026
7,659
2026 projection
65.6% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
7,659
2026 projection
65.6% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 7,659 | +503 | 7.03% |
|---|---|---|---|
| 2025 | 7,156 | +516 | 7.77% |
| 2024 | 6,640 | +309 | 4.88% |
| 2023 | 6,331 | +544 | 9.40% |
| 2022 | 5,787 | +548 | 10.46% |
| 2021 | 5,239 | +614 | 13.28% |
| 2020 | 4,625 | +427 | 10.17% |
| 2019 | 4,198 | +531 | 14.48% |
| 2018 | 3,667 | +295 | 8.75% |
| 2017 | 3,372 | +361 | 11.99% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 57 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 13 residents
59% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 59% | 64% | 55% |
| Never married | 30% | 35% | 26% |
| Divorced | 11% | 1% | 18% |
| Widowed | <1% | 0% | <1% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau