New Boston Flag

New Boston

County:
Mercer County
County Seat:
No
Area (mi²):
0.941
State:
Illinois

New Boston is a city located in Mercer County, Illinois. New Boston has a 2025 population of 605 . New Boston is currently declining at a rate of -1.14% annually and its population has decreased by -1.47% since the most recent census, which recorded a population of 614 in 2020.

The median household income in New Boston is $61,563 with a poverty rate of 13.45%. The median age in New Boston is 42 years: 48.4 years for males, and 37.3 years for females. For every 100 females there are 83.7 males.

605
Total Population
643
Density (mi²)
-7 -1.14%
Growth

New Boston Population

New Boston Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of New Boston includes 97.63% White, and smaller percentages for Two or more races, Asian and multiracial populations.

Population by Race

White (97.63%)

Two or more races (1.74%)

Asian (0.63%)

Race
Population
Percentage (of total)
White61797.63%
Two or more races111.74%
Asian40.63%

New Boston Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

New Boston's average per capita income is $36,304. Household income levels show a median of $61,563. The poverty rate stands at 13.45%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$83,750-
Families$71,875$78,664
Households$61,563$70,302
Non Families$59,167$52,966

$36,304

Average Income

$61,563

Median Household Income

13.45%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)