Marengo, IL Profile: Facts & Data

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Marengo, Illinois - Basic Facts

The City of Marengo had a population of 7,864 as of July 1, 2018. 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, 2018.

Alternate Unofficial Names for Marengo: Pleasant Grove.


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

POPULATION

Total Population 7,864
Population in Households 7,818
Population in Familes 6,564
Population in Group Qrtrs 46
Population Density1 1,572
Diversity Index2 46
 

INCOME

Median Household Income $63,266
Average Household Income $78,417
Per Capita Income $28,832

HOUSING

Total Housing Units 3,147 (100%)
Owner Occupied HU 1,883 (59.8%)
Renter Occupied HU 991 (31.5%)
Vacant Housing Units 273 ( 8.7%)
Median Home Value $192,329
Average Home Value $224,243
 

HOUSEHOLDS

Total Households 2,874
Average Household Size 2.72
Family Households 2,038
Average Family Size 3
NOTES
  1. Population Density = Total Population per square mile.
  2. 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 0.34% 1.31%
Households 0.38% 1.31%
Families 0.46% 1.27%
Median Household Income   2.62%
Per Capita Income   2.85%

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, 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 # 264 81st
Population Density # 425 69th
Diversity Index # 211 85th
Median Household Income # 402 71st
Per Capita Income # 585 57th

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

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