New Boston, IL Profile: Facts, Map & Data


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New Boston, Illinois - Basic Facts

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The City of New Boston had a population of 665 as of July 1, 2017. New Boston ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for New Boston is located at latitude 41.1704 and longitude -90.9998 in Mercer County. The formal boundaries for the City of New Boston (see map below) encompass a land area of 0.93 sq. miles and a water area of 0.46 sq. miles. Mercer County is in the Central time zone (GMT -6). The elevation is 568 feet.

The City of New Boston (GNIS ID: 2395186) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of New Boston is located within Township of New Boston, a minor civil division (MCD) of Mercer County.

Beneath the boundary map are tables with New Boston population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of New Boston, IL Boundary Map

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Boundary Maps: Township of New Boston | Mercer County | Illinois Counties

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New Boston, IL Data & Demographics (As of July 1, 2017)


Total Population 665
Daytime Population: Workers 94
Daytime Population: Residents 363
Total Daytime Population (TDP) 457
Ratio TDP/Total Population1 0.69
Population in Households 665
Population in Familes 536
Population in Group Qrtrs 0
Population Density2 713
Diversity Index3 6


Median Household Income $47,054
Average Household Income $54,033
Per Capita Income $22,383


Total Housing Units 331 (100%)
Owner Occupied HU 215 (65.0%)
Renter Occupied HU 55 (16.6%)
Vacant Housing Units 61 (18.4%)
Median Home Value $78,283
Average Home Value $80,140


Total Households 270
Average Household Size 2.46
Family Households 183
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.37% -0.73%
Households -0.45% -0.75%
Families -0.66% -0.78%
Median Household Income   1.61%
Per Capita Income   2.71%

New Boston, IL - Peer Comparisons by Rank and Percentile

The table below compares New Boston to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 837 39th
Population Density # 938 31st
Diversity Index # 1132 17th
Median Household Income # 938 32nd
Per Capita Income # 1108 19th

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.

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