Mount Carroll, IL Profile: Facts, Map & Data


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Mount Carroll, Illinois - Basic Facts

The City of Mount Carroll had a population of 1,615 as of July 1, 2017.

The primary coordinate point for Mount Carroll is located at latitude 42.0948 and longitude -89.9769 in Carroll County. The formal boundaries for the City of Mount Carroll (see map below) encompass a land area of 2 sq. miles and a water area of 0 sq. miles. Carroll County is in the Central time zone (GMT -6). The elevation is 807 feet.

The City of Mount Carroll (GNIS ID: 2395121) 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 Mount Carroll is located within Township of Mount Carroll, a minor civil division (MCD) of Carroll County.

Beneath the boundary map are tables with Mount Carroll 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 Mount Carroll, IL Boundary Map

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Boundary Maps: Township of Mount Carroll | Carroll County | Illinois Counties

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


Total Population 1,615
Daytime Population: Workers 895
Daytime Population: Residents 846
Total Daytime Population (TDP) 1,741
Ratio TDP/Total Population1 1.08
Population in Households 1,523
Population in Familes 1,195
Population in Group Qrtrs 92
Population Density2 806
Diversity Index3 12


Median Household Income $41,988
Average Household Income $63,417
Per Capita Income $26,567


Total Housing Units 836 (100%)
Owner Occupied HU 478 (57.2%)
Renter Occupied HU 192 (23.0%)
Vacant Housing Units 166 (19.9%)
Median Home Value $96,508
Average Home Value $155,608


Total Households 670
Average Household Size 2.27
Family Households 427
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 -0.84% -0.96%
Households -0.97% -1.07%
Families -0.66% -1.2%
Median Household Income   2.8%
Per Capita Income   3.02%

Mount Carroll, IL - Peer Comparisons by Rank and Percentile

The table below compares Mount Carroll 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 # 562 59th
Population Density # 881 36th
Diversity Index # 706 48th
Median Household Income # 1119 18th
Per Capita Income # 693 49th

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

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