| Marengo | |
| Settlement Type: | City |
| Image Blank Emblem: | Logo of Marengo, Illinois.png |
| Blank Emblem Type: | Logo |
| Motto: | Home of Settlers Days |
| Image Map1: | Illinois in United States (US48).svg |
| Map Caption1: | Location of Illinois in the United States |
| Coordinates: | 42.2508°N -88.605°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | McHenry |
| Subdivision Type3: | Township |
| Subdivision Name3: | Marengo, Seneca, Coral, Riley |
| Established Title: | Founded |
| Established Date: | 1835 |
| Leader Title: | Mayor |
| Leader Title1: | Mayor |
| Leader Name1: | John Koziol |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 23.06 |
| Area Total Sq Mi: | 8.90 |
| Area Land Km2: | 23.06 |
| Area Land Sq Mi: | 8.90 |
| Area Water Km2: | 0.00 |
| Area Water Sq Mi: | 0.00 |
| Elevation Footnotes: | [2] |
| Elevation Ft: | 833 |
| Population As Of: | 2020 |
| Population Total: | 7568 |
| Population Density Km2: | 328.25 |
| Population Density Sq Mi: | 850.15 |
| Timezone1: | CST |
| Utc Offset1: | -6 |
| Timezone1 Dst: | CDT |
| Utc Offset1 Dst: | -5 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 60152 |
| Area Code: | 815/779 |
| Blank Name: | FIPS code |
| Blank Info: | 17-46786 |
| Blank2 Name Sec2: | Wikimedia Commons |
| Blank2 Info Sec2: | Marengo, Illinois |
| Website: | www.cityofmarengo.com |
Marengo is a city in McHenry County, Illinois, United States on the Kishwaukee River. It lies approximately 60 miles west northwest of Chicago and approximately 30 miles east of Rockford. Per the 2020 census, the population was 7,568.[3]
Marengo is located at 42.2508°N -88.605°W.[4]
The north edge of Marengo is bordered by the Kishwaukee River
According to the 2010 census, Marengo has a total area of 5.01sqmi, all land.[5]
Marengo was first named Pleasant Grove after a grove of trees near the town site.[6] The present name commemorates the Battle of Marengo. A post office named Marengo was established in 1844.[7]
In the early morning of June 11, 2017, at around 4:50 A.M., a house in the northwest suburbs exploded. The gas explosion set four houses on fire and damaged 50 more, nearly 20 of which were deemed "unlivable." Despite the extensive damage, no fatalities or serious injuries occurred; only two people were reported to have suffered minor injuries.[8] [9]
Marengo is governed by the mayor, John Koziol, and a city council of eight aldermen.
| White alone (NH) | 5,441 | 6,305 | style='background: #ffffe6; | 5,758 | 85.62% | 82.44% | style='background: #ffffe6; | 76.08% | |
| Black or African American alone (NH) | 16 | 41 | style='background: #ffffe6; | 94 | 0.25% | 0.54% | style='background: #ffffe6; | 1.24% | |
| Native American or Alaska Native alone (NH) | 12 | 16 | style='background: #ffffe6; | 20 | 0.19% | 0.21% | style='background: #ffffe6; | 0.26% | |
| Asian alone (NH) | 18 | 37 | style='background: #ffffe6; | 51 | 0.28% | 0.48% | style='background: #ffffe6; | 0.67% | |
| Pacific Islander alone (NH) | 0 | 1 | style='background: #ffffe6; | 0 | 0.00% | 0.01% | style='background: #ffffe6; | 0.00% | |
| Other race alone (NH) | 0 | 7 | style='background: #ffffe6; | 16 | 0.00% | 0.09% | style='background: #ffffe6; | 0.21% | |
| Mixed race or Multiracial (NH) | 42 | 69 | style='background: #ffffe6; | 248 | 0.66% | 0.90% | style='background: #ffffe6; | 3.28% | |
| Hispanic or Latino (any race) | 826 | 1,172 | style='background: #ffffe6; | 1,381 | 13.00% | 15.32% | style='background: #ffffe6; | 18.25% | |
| Total | 6,355 | 7,648 | style='background: #ffffe6; | 7,568 | 100.00% | 100.00% | style='background: #ffffe6; | 100.00% |
As of the census[13] of 2000, there were 6,355 people, 2,387 households, and 1,694 families residing in the city. The population density was 1598.5sp=usNaNsp=us. There were 2,475 housing units at an average density of 622.6sp=usNaNsp=us. The racial makeup of the city was 92.07% White, 0.30% African American, 0.27% Native American, 0.28% Asian, 0.02% Pacific Islander, 5.54% of other races, and 1.53% of two or more races. Hispanic or Latino of any race were 13.00% of the population.
There were 2,387 households, out of which 38.6% had children under the age of 18 living with them, 55.9% were married couples living together, 10.7% had a female householder with no husband present, and 29.0% were non-families. 24.9% of all households were made up of individuals, and 9.8% had someone living alone who was 65 years of age or older. The average household size was 2.64 and the average family size was 3.17.
The population was spread out, with 29.3% under the age of 18, 8.6% from 18 to 24, 31.0% from 25 to 44, 19.2% from 45 to 64, and 12.0% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 96.3 males. For every 100 females age 18 and over, there were 94.3 males.
The median income for a household in the city was $50,214, and the median income for a family was $57,209. Males had a median income of $41,298 versus $26,317 for females. The per capita income for the city was $22,225. About 3.9% of families and 4.4% of the population were below the poverty line, including 5.4% of those under age 18 and 5.5% of those age 65 or over.
The Marengo-Union Times is the newspaper of record in Marengo, IL. It has a circulation of 6,300 and is mailed to every home and business in the greater Marengo and Union, Illinois area.