Chatham, IL Profile: Facts, Map & Data


Chatham Local Links & Resources:
Hotels | Resources | ALL Chatham Content

Also See: Chatham, IL ZIP Codes & ZIP Code Maps | Local Area Photos

Chatham, Illinois - Basic Facts

The Village of Chatham had a population of 12,618 as of July 1, 2018. Chatham ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Chatham is located at latitude 39.6708 and longitude -89.6995 in Sangamon County. The formal boundaries for the Village of Chatham (see map below) encompass a land area of 6.54 sq. miles and a water area of 0 sq. miles. Sangamon County is in the Central time zone (GMT -6). The elevation is 604 feet.

The Village of Chatham (GNIS ID: 2397606) 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 Village of Chatham is located within Township of Chatham, a minor civil division (MCD) of Sangamon County.

Beneath the boundary map are tables with Chatham population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


Village of Chatham, IL Boundary Map

Also See: BIG Map | Driving Directions | IL Congressional Districts
Boundary Maps: Township of Chatham | Sangamon County | Illinois Counties

Search the map for:

Chatham, IL Data & Demographics (As of July 1, 2018)


Total Population 12,618
Population in Households 12,612
Population in Familes 11,010
Population in Group Qrtrs 6
Population Density2 1,930
Diversity Index3 21


Median Household Income $82,839
Average Household Income $97,815
Per Capita Income $37,046


Total Housing Units 4,884 (100%)
Owner Occupied HU 4,062 (83.2%)
Renter Occupied HU 752 (15.4%)
Vacant Housing Units 70 ( 1.4%)
Median Home Value $171,138
Average Home Value $187,048


Total Households 4,814
Average Household Size 2.62
Family Households 3,628
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 1.09% 0.4%
Households 1.19% 0.47%
Families 1.11% 0.36%
Median Household Income   1.47%
Per Capita Income   2.28%

Chatham, IL - Peer Comparisons by Rank and Percentile

The table below compares Chatham to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2018 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 # 194 86th
Population Density # 290 79th
Diversity Index # 475 65th
Median Household Income # 158 89th
Per Capita Income # 198 86th

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

Illinois Research Tools

Illinois Census Data Comparison Tool

Compare Illinois Census Data
Highest or Lowest: