City in Cerro Gordo County, Iowa · 0.2 sq mi · 681 people per sq mi
About 140 people live in Rock Falls. The typical household earns $71,042, and the median resident is 44.5 years old.
2026 projection
From 150 in 2020
Poverty rate 5.88%
Men 52 · Women 39.4
2010–2026
141
2026 projection
6% 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.
2010–2026
141
2026 projection
6% 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 | 141 | -2 | 1.40% |
|---|---|---|---|
| 2025 | 143 | -2 | 1.38% |
| 2024 | 145 | -1 | 0.68% |
| 2023 | 146 | 0 | 0.00% |
| 2022 | 146 | -2 | 1.35% |
| 2021 | 148 | -2 | 1.33% |
| 2020 | 150 | +2 | 1.35% |
| 2019 | 148 | 0 | 0.00% |
| 2018 | 148 | -2 | 1.33% |
| 2017 | 150 | 0 | 0.00% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 1 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 17 residents
52% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 52% | 61% | 44% |
| Never married | 26% | 21% | 31% |
| Divorced | 15% | 16% | 14% |
| Widowed | 7% | 2% | 12% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau