Cortland, IL Profile: Facts, Map & Data

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Cortland, Illinois - Basic Facts

The Town of Cortland had a population of 4,391 as of July 1, 2017. Cortland 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 Cortland is located at latitude 41.9377 and longitude -88.6914 in DeKalb County. The formal boundaries for the Town of Cortland (see map below) encompass a land area of 3.62 sq. miles and a water area of 0.01 sq. miles. DeKalb County is in the Central time zone (GMT -6). The elevation is 902 feet.

The Town of Cortland (GNIS ID: 2396662) 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 Town of Cortland is located within Township of Cortland, a minor civil division (MCD) of DeKalb County.

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

Alternate Unofficial Names for Cortland: Courtland, Courtland Station, Lost Grove, Pampas, Richland.


Neighborhood Data

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Town of Cortland, IL Boundary Map



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Boundary Maps: Township of Cortland | DeKalb County | Illinois Counties

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

POPULATION

Total Population 4,391
Daytime Population: Workers 639
Daytime Population: Residents 2,125
Total Daytime Population (TDP) 2,764
Ratio TDP/Total Population1 0.63
Population in Households 4,391
Population in Familes 3,647
Population in Group Qrtrs 0
Population Density2 1,212
Diversity Index3 44
 

INCOME

Median Household Income $63,493
Average Household Income $73,081
Per Capita Income $26,397

HOUSING

Total Housing Units 1,546 (100%)
Owner Occupied HU 1,116 (72.2%)
Renter Occupied HU 347 (22.4%)
Vacant Housing Units 83 ( 5.4%)
Median Home Value $170,202
Average Home Value $188,239
 

HOUSEHOLDS

Total Households 1,463
Average Household Size 3.0
Family Households 1,043
Average Family Size 4
NOTES
  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.

GROWTH RATE / YEAR

2010-2017 2017-2022
Population 0.39% 2.55%
Households 0.38% 2.61%
Families -0.97% 2.52%
Median Household Income   1.99%
Per Capita Income   2.48%

Cortland, IL - Peer Comparisons by Rank and Percentile

The table below compares Cortland 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 # 361 74th
Population Density # 631 54th
Diversity Index # 224 84th
Median Household Income # 347 75th
Per Capita Income # 706 48th

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

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