Marengo, IL Profile: Facts, Map & Data

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Marengo, Illinois - Basic Facts

The City of Marengo had a population of 7,803 as of July 1, 2017. Marengo 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 Marengo is located at latitude 42.2473 and longitude -88.6063 in McHenry County. The formal boundaries for the City of Marengo (see map below) encompass a land area of 5 sq. miles and a water area of 0 sq. miles. McHenry County is in the Central time zone (GMT -6). The elevation is 833 feet.

The City of Marengo (GNIS ID: 2395004) 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 Marengo is located within Township of Marengo, a minor civil division (MCD) of McHenry County.

Beneath the boundary map are tables with Marengo 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 Marengo: Pleasant Grove.


Neighborhood Data

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City of Marengo, IL Boundary Map



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Boundary Maps: Township of Marengo | McHenry County | Illinois Counties

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

POPULATION

Total Population 7,803
Daytime Population: Workers 2,922
Daytime Population: Residents 3,791
Total Daytime Population (TDP) 6,713
Ratio TDP/Total Population1 0.86
Population in Households 7,757
Population in Familes 6,494
Population in Group Qrtrs 46
Population Density2 1,560
Diversity Index3 45
 

INCOME

Median Household Income $59,985
Average Household Income $75,431
Per Capita Income $27,647

HOUSING

Total Housing Units 3,118 (100%)
Owner Occupied HU 1,983 (63.6%)
Renter Occupied HU 862 (27.6%)
Vacant Housing Units 274 ( 8.8%)
Median Home Value $191,713
Average Home Value $221,746
 

HOUSEHOLDS

Total Households 2,844
Average Household Size 2.73
Family Households 2,022
Average Family Size 3
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 0.28% 1.29%
Households 0.29% 1.25%
Families 0.41% 1.2%
Median Household Income   2.32%
Per Capita Income   2.79%

Marengo, IL - Peer Comparisons by Rank and Percentile

The table below compares Marengo 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 # 265 81st
Population Density # 436 68th
Diversity Index # 215 84th
Median Household Income # 434 68th
Per Capita Income # 608 56th

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

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