The City of Decatur had a population of 72,665 as of July 1, 2017. Decatur ranks in the upper 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 Decatur is located at latitude 39.856 and longitude -88.9337 in Macon County. The formal boundaries for the City of Decatur (see map below) encompass a land area of 42.24 sq. miles and a water area of 4.68 sq. miles. Macon County is in the Central time zone (GMT -6). The elevation is 676 feet.
The City of Decatur (GNIS ID: 2394481) 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.
Beneath the boundary map are tables with Decatur population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.
|Daytime Population: Workers||45,534|
|Daytime Population: Residents||39,564|
|Total Daytime Population (TDP)||85,098|
|Ratio TDP/Total Population1||1.17|
|Population in Households||68,743|
|Population in Familes||51,355|
|Population in Group Qrtrs||3,922|
|Median Household Income||$40,136|
|Average Household Income||$58,155|
|Per Capita Income||$26,111|
|Total Housing Units||36,010 (100%)|
|Owner Occupied HU||18,862 (52.4%)|
|Renter Occupied HU||12,275 (34.1%)|
|Vacant Housing Units||4,873 (13.5%)|
|Median Home Value||$80,490|
|Average Home Value||$102,886|
|Average Household Size||2.21|
|Average Family Size||3|
GROWTH RATE / YEAR
|Median Household Income||0.34%|
|Per Capita Income||2.22%|
The table below compares Decatur 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.
|Total Population||# 17||99th|
|Population Density||# 379||72nd|
|Diversity Index||# 188||86th|
|Median Household Income||# 1175||14th|
|Per Capita Income||# 732||47th|
Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.