City in Jones County, Iowa · 5.6 sq mi · 731 people per sq mi
About 4,100 people live in Monticello. The typical household earns $70,015, and the median resident is 42.6 years old.
2026 projection
From 4,050 in 2020
Poverty rate 5.95%
Men 35.7 · Women 50.4
1870–2026
4,113
2026 projection
1.6% 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.
1870–2026
4,113
2026 projection
1.6% 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 | 4,113 | +9 | 0.22% |
|---|---|---|---|
| 2025 | 4,104 | +16 | 0.39% |
| 2024 | 4,088 | +21 | 0.52% |
| 2023 | 4,067 | -17 | 0.42% |
| 2022 | 4,084 | +5 | 0.12% |
| 2021 | 4,079 | +29 | 0.72% |
| 2020 | 4,050 | +180 | 4.65% |
| 2019 | 3,870 | +18 | 0.47% |
| 2018 | 3,852 | -2 | 0.05% |
| 2017 | 3,854 | +36 | 0.94% |
Showing 10 of 31 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 41 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
44% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 44% | 45% | 44% |
| Never married | 32% | 44% | 21% |
| Divorced | 16% | 9% | 23% |
| Widowed | 8% | 2% | 13% |
| Separated | <1% | 1% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau