City in Jackson County, Iowa · 0.6 sq mi · 225 people per sq mi
About 130 people live in Monmouth. The typical household earns $51,875, and the median resident is 56.5 years old.
2026 projection
From 129 in 2020
Poverty rate 18.18%
Men 56.4 · Women 56.6
2010–2026
128
2026 projection
0.8% 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
128
2026 projection
0.8% 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 | 128 | 0 | 0.00% |
|---|---|---|---|
| 2025 | 128 | -1 | 0.78% |
| 2024 | 129 | 0 | 0.00% |
| 2023 | 129 | +2 | 1.57% |
| 2022 | 127 | -1 | 0.78% |
| 2021 | 128 | -1 | 0.78% |
| 2020 | 129 | -24 | 15.69% |
| 2019 | 153 | -1 | 0.65% |
| 2018 | 154 | +2 | 1.32% |
| 2017 | 152 | -1 | 0.65% |
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 6 residents
57% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 57% | 58% | 57% |
| Never married | 16% | 25% | 8% |
| Divorced | 14% | 14% | 13% |
| Widowed | 13% | 4% | 23% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau