CDP in Rock Island County, Illinois · 0.5 sq mi · 48 people per sq mi
About 22 people live in Illinois City. The median resident is 25.5 years old.
2026 projection
From 58 in 2020
Poverty rate 0%
Men 62.1 · Women 25.4
2020–2026
22
2026 projection
62.1% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
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2020–2026
22
2026 projection
62.1% 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 | 22 | +1 | 4.76% |
|---|---|---|---|
| 2025 | 21 | +3 | 8.01% |
| 2023 | 18 | -19 | 51.35% |
| 2022 | 37 | -22 | 37.29% |
| 2021 | 59 | +1 | 1.72% |
| 2020 | 58 | — | — |
Showing 6 of 6 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 0.73 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
45% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 45% | 53% | 39% |
| Never married | 55% | 47% | 61% |
| Divorced | 0% | 0% | 0% |
| Widowed | 0% | 0% | 0% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
7 sources, all from the U.S. Census Bureau