CDP in Lee County, Illinois · 1.2 sq mi · 212 people per sq mi
About 250 people live in Grand Detour. The typical household earns $76,406, and the median resident is 51.6 years old.
2026 projection
From 351 in 2020
Poverty rate 3.03%
Men 54.2 · Women 44.2
2011–2026
248
2026 projection
29.3% 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.
2011–2026
248
2026 projection
29.3% 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 | 248 | -11 | 4.25% |
|---|---|---|---|
| 2025 | 259 | -23 | 4.16% |
| 2023 | 282 | -20 | 6.62% |
| 2022 | 302 | -77 | 20.32% |
| 2021 | 379 | +28 | 7.98% |
| 2020 | 351 | +6 | 1.74% |
| 2019 | 345 | -139 | 28.72% |
| 2018 | 484 | -23 | 4.54% |
| 2017 | 507 | +18 | 3.68% |
| 2016 | 489 | -59 | 10.77% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 3 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 33 residents
30% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 30% | 24% | 41% |
| Never married | 45% | 41% | 54% |
| Divorced | 12% | 14% | 6% |
| Widowed | 14% | 21% | 0% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau