New Boston, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, New Boston, Illinois had a total population of 648, the 847th largest city in Illinois, with a median household income of $60,662, which is 27% lower than the state average. The poverty rate is 16.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 1.6x.
New Boston Quick Facts
How New Boston Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 632 | 648 | +2.5% |
| Median household income | $61,563 | $60,662 | -1.5% |
| Median home value | $100,700 | $95,400 | -5.3% |
How New Boston Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
New Boston Rankings in Illinois
Explore Illinois Rankings
Other Cities in Mercer County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Aledo | 3,668 | $72,292 | 12.6% | $147,600 |
| Viola | 899 | $72,500 | 9.3% | $120,000 |
| Windsor | 704 | $59,333 | 13.7% | $109,800 |
| Sherrard | 691 | $98,750 | 9.3% | $150,200 |
| Matherville | 657 | $86,500 | 7.6% | $134,800 |
| Keithsburg | 490 | $44,625 | 17.1% | $65,900 |
| Joy | 387 | $56,250 | 12.3% | $76,100 |
| Seaton | 228 | $60,625 | 9.2% | $109,200 |
| North Henderson | 191 | $74,231 | 0.0% | $66,700 |
| Preemption | 127 | $86,406 | 0.0% | $110,900 |
Cities Similar to New Boston
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Noble | 649 | $57,143 | $58,500 | 7.4% | 16.6% |
| Cisne | 627 | $59,926 | $76,600 | 10.8% | 6.5% |
| Dakota | 645 | $55,815 | $115,600 | 20.5% | 14.5% |
| Junction City | 638 | $56,364 | $83,500 | 2.0% | 14.7% |
| Stonington | 655 | $65,972 | $106,100 | 19.0% | 10.6% |
A note before these figures: with a population of 648, New Boston's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
New Boston is a small community located in Illinois, within Mercer County. The total population is 648. It ranks as the 847th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in New Boston is 46.6 years. This is 19% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in New Boston is $60,662. This is 27% lower than the state median of $83,390. It is also 25% lower than the national median of $80,734. The poverty rate stands at 16.4%. This is 39% higher than the state poverty rate of 11.8%. The unemployment rate is 4.2%. This is 29% lower than the state rate of 5.8%. The median home value is $95,400. Housing costs are 64% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.6x, New Boston is one of the most affordable housing markets in the area. 82.0% of occupied housing units are owner-occupied. This homeownership rate is 22% higher than the state average of 67.1%.
Race & Ethnicity
New Boston has a predominantly White (non-Hispanic) population, comprising 95.7% of all residents. Hispanic or Latino residents account for 1.7%. The White (non-Hispanic) population is significantly higher than the state average (95.7% vs 58.1%). The Hispanic or Latino population (1.7%) is well below the state average of 18.8%. The Asian population (0.9%) is well below the state average of 5.9%.
Education
10.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 74% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.0%.
Data Sources & Methodology
All demographic data for New Boston, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of New Boston, Illinois?
New Boston, Illinois has a population of 648 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in New Boston, IL?
The median household income in New Boston is $60,662, which is 25% lower than the national median of $80,734.
What is the poverty rate in New Boston, IL?
The poverty rate in New Boston is 16.4%. This means approximately 106 residents live below the federal poverty line.
What is the racial makeup of New Boston, Illinois?
New Boston's population is 95.7% White, 0.0% Black, 1.7% Hispanic/Latino, and 0.9% Asian.
What is the median home value in New Boston, IL?
The median home value in New Boston is $95,400. The home-value-to-income ratio is 1.6x.
How educated is New Boston, Illinois?
10.0% of adults (25+) in New Boston hold a bachelor's degree or higher, and 4.2% hold a graduate or professional degree.