City in Mercer County, Illinois · 0.9 sq mi · 634 people per sq mi
597 people live in New Boston. The typical household earns $60,662, and the median resident is 46.6 years old.
2026 projection
From 613 in 2020
Poverty rate 16.36%
Men 49.6 · Women 42.1
2010–2026
597
2026 projection
2.6% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
597
2026 projection
2.6% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 597 | -3 | 0.50% |
|---|---|---|---|
| 2025 | 600 | -3 | 0.50% |
| 2024 | 603 | -6 | 0.99% |
| 2023 | 609 | -1 | 0.16% |
| 2022 | 610 | -3 | 0.49% |
| 2021 | 613 | 0 | 0.00% |
| 2020 | 613 | -9 | 1.45% |
| 2019 | 622 | -7 | 1.11% |
| 2018 | 629 | -3 | 0.47% |
| 2017 | 632 | 0 | 0.00% |
Showing 10 of 17 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
New Boston has a population change higher than Mercer County, and lower than Illinois and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
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 6 residents
55% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 55% | 56% | 54% |
| Never married | 25% | 28% | 22% |
| Divorced | 10% | 6% | 13% |
| Widowed | 7% | 4% | 9% |
| Separated | 3% | 6% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources