County in Iowa · 778 sq mi · 21 people per sq mi
16,707 people live in Clayton County. The typical household earns $67,242, and the median resident is 46.4 years old.
2026 projection
From 17,027 in 2020
Poverty rate 10.91%
Men 46.1 · Women 46.5
1840–2026
16,707
2026 projection
1.9% since 2020 (decrease)
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.
1840–2026
16,707
2026 projection
1.9% since 2020 (decrease)
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 | 16,707 | -138 | 0.82% |
|---|---|---|---|
| 2025 | 16,845 | -138 | 0.81% |
| 2024 | 16,983 | -25 | 0.15% |
| 2023 | 17,008 | -41 | 0.24% |
| 2022 | 17,049 | -7 | 0.04% |
| 2021 | 17,056 | +29 | 0.17% |
| 2020 | 17,027 | -470 | 2.69% |
| 2019 | 17,497 | -18 | 0.10% |
| 2018 | 17,515 | -132 | 0.75% |
| 2017 | 17,647 | -10 | 0.06% |
Showing 10 of 33 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 170 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 9 residents
57% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 57% | 58% | 56% |
| Never married | 25% | 30% | 21% |
| Divorced | 10% | 9% | 10% |
| Widowed | 8% | 4% | 12% |
| Separated | <1% | <1% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
8 sources, all from the U.S. Census Bureau