Marengo, IL Profile: Facts, Map & Data

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Marengo, Illinois - Basic Facts

The City of Marengo is an incorporated place (Class Code P1) located in McHenry County at latitude 42.2473 and longitude -88.6063. McHenry County is in the Central time zone (GMT -6). The elevation is 833 feet.

The formal official name is the City of Marengo, but most people and references simply refer to it as Marengo, Illinois.

The P1 Census Class Code for Marengo indicates a populated place that is also an incorporated place with the same name and the same census code. The Incorporated Place has a Functional Status Code "A" which identifies an active government providing primary general-purpose functions.

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.

Alternate Unofficial Names for Marengo: Pleasant Grove.

City of Marengo, IL Boundary Map


Also See: BIG Map | Driving Directions | IL Congressional Districts
Boundary Maps: Township of Marengo | McHenry County | Illinois Counties

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Marengo, IL Data & Demographics (As of July 1, 2014)

POPULATION

Total Population 7,811
Population in Households 7,765
Population in Familes 6,511
Population in Group Qrtrs 46
Population Density1 1,559
Diversity Index2 43
 

HOUSEHOLDS

Total Households 2,851
Average Household Size 2.72
Family Households 2,036
Average Family Size 3

HOUSING

Total Housing Units 3,113 (100%)
Owner Occupied HU 2,012 (64.6%)
Renter Occupied HU 839 (27.0%)
Vacant Housing Units 262 ( 8.4%)
Median Home Value $160,680
Average Home Value $173,571
 

INCOME

Median Household Income $58,178
Average Household Income $69,566
Per Capita Income $25,432
  (Compound Annual Growth Rates)

GROWTH RATES

2010-2014 2014-2019
Population 0.5% 1.34%
Households 0.55% 1.34%
Families 0.86% 1.29%
Median Household Income   3.14%
Per Capita Income   2.05%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Marengo, IL - Peer Comparisons by Rank and Percentile

The table below compares Marengo to the other 1,367 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2014 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 # 262 81st
Population Density1 # 445 68th
Diversity Index2 # 214 84th
Median Household Income # 428 69th
Per Capita Income # 618 55th

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