Village in McHenry County, Illinois · 0.8 sq mi · 860 people per sq mi
About 720 people live in Union. The typical household earns $89,844, and the median resident is 39 years old.
2026 projection
From 550 in 2020
Poverty rate 7.53%
Men 38.1 · Women 42
2010–2026
719
2026 projection
30.7% 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.
2010–2026
719
2026 projection
30.7% 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 | 719 | +35 | 5.12% |
|---|---|---|---|
| 2025 | 684 | -6 | 0.87% |
| 2024 | 690 | +98 | 16.55% |
| 2023 | 592 | +48 | 8.82% |
| 2022 | 544 | -7 | 1.27% |
| 2021 | 551 | +1 | 0.18% |
| 2020 | 550 | 0 | 0.00% |
| 2019 | 550 | -5 | 0.90% |
| 2018 | 555 | -4 | 0.72% |
| 2017 | 559 | 0 | 0.00% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 6 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 13 residents
44% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 44% | 40% | 48% |
| Never married | 37% | 48% | 24% |
| Divorced | 11% | 1% | 23% |
| Widowed | 8% | 10% | 5% |
| Separated | <1% | <1% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau