CDP in Kane County, Illinois · 1.5 sq mi · 6,421 people per sq mi
About 9,400 people live in Boulder Hill. The typical household earns $80,377, and the median resident is 37.6 years old.
2026 projection
From 9,081 in 2020
Poverty rate 8.75%
Men 37.1 · Women 38.3
2011–2026
9,362
2026 projection
3.1% 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.
2011–2026
9,362
2026 projection
3.1% 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 | 9,362 | +78 | 0.84% |
|---|---|---|---|
| 2025 | 9,284 | +157 | 0.86% |
| 2023 | 9,127 | -420 | 4.40% |
| 2022 | 9,547 | -128 | 1.32% |
| 2021 | 9,675 | +594 | 6.54% |
| 2020 | 9,081 | -1,181 | 11.51% |
| 2019 | 10,262 | +1,083 | 11.80% |
| 2018 | 9,179 | +206 | 2.30% |
| 2017 | 8,973 | +524 | 6.20% |
| 2016 | 8,449 | -135 | 1.57% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 90 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
44% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 44% | 46% | 43% |
| Never married | 33% | 38% | 28% |
| Divorced | 17% | 15% | 20% |
| Widowed | 5% | 2% | 8% |
| Separated | 1% | <1% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau