City in LaSalle County, Illinois · 10.4 sq mi · 933 people per sq mi
About 9,700 people live in Peru. The typical household earns $74,808, and the median resident is 45.7 years old.
2026 projection
From 9,920 in 2020
Poverty rate 8.97%
Men 42.9 · Women 47.9
1850–2026
9,746
2026 projection
1.8% 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.
1850–2026
9,746
2026 projection
1.8% 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 | 9,746 | -34 | 0.35% |
|---|---|---|---|
| 2025 | 9,780 | -6 | 0.06% |
| 2024 | 9,786 | +7 | 0.07% |
| 2023 | 9,779 | -5 | 0.05% |
| 2022 | 9,784 | -101 | 1.02% |
| 2021 | 9,885 | -35 | 0.35% |
| 2020 | 9,920 | +202 | 2.08% |
| 2019 | 9,718 | -76 | 0.78% |
| 2018 | 9,794 | -35 | 0.36% |
| 2017 | 9,829 | -57 | 0.58% |
Showing 10 of 33 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 98 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 11 residents
52% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 52% | 53% | 50% |
| Never married | 27% | 28% | 25% |
| Divorced | 13% | 11% | 15% |
| Widowed | 7% | 4% | 10% |
| Separated | 2% | 3% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau