|City of Genoa, Illinois|
|• Mayor||Todd Walker|
|• Total||2.66 sq mi (6.9 km2)|
|• Density||2,178.8/sq mi (842.8/km2)|
|Time zone||CST (UTC-6)|
|• Summer (DST)||CDT (UTC-5)|
Genoa is a city in the north-east corner of DeKalb County, Illinois in the United States. It is located on the historic Galena-Chicago stagecoach route. At the 2010 census the city had a population of 5,193, up from 4,169 at the 2000 census.
Genoa was settled as early as 1835 by Thomas Madison, an American Revolutionary War soldier from Ashtabula County, Ohio. He named Genoa after a town of the same name in New York. Genoa was incorporated as a village in 1876 and as a city on September 9, 1911.
According to the 2010 census, the city has a total area of 2.66 square miles (6.9 km2), of which 2.60 square miles (6.7 km2) (or 97.74%) is land and 0.06 square miles (0.16 km2) (or 2.26%) is water.
As of the census of 2000, there were 4,169 people, 1,555 households, and 1,119 families residing in the city. The population density was 2,178.8 people per square mile (842.8/km²). There were 1,597 housing units at an average density of 834.6 per square mile (322.8/km²). The racial makeup of the city was 95.27% White, 0.14% African American, 0.19% Native American, 0.29% Asian, 0.02% Pacific Islander, 3.14% from other races, and 0.94% from two or more races. Hispanic or Latino of any race were 10.65% of the population.
There were 1,555 households out of which 41.0% had children under the age of 18 living with them, 57.6% were married couples living together, 10.5% had a female householder with no husband present, and 28.0% were non-families. 24.3% of all households were made up of individuals and 9.7% had someone living alone who was 65 years of age or older. The average household size was 2.68 and the average family size was 3.21.
In the city the population was spread out with 30.6% under the age of 18, 8.2% from 18 to 24, 36.0% from 25 to 44, 16.1% from 45 to 64, and 9.1% who were 65 years of age or older. The median age was 32 years. For every 100 females there were 97.5 males. For every 100 females age 18 and over, there were 95.2 males.
The median income for a household in the city was $48,125, and the median income for a family was $53,523. Males had a median income of $42,054 versus $28,060 for females. The per capita income for the city was $19,239. About 2.1% of families and 3.3% of the population were below the poverty line, including 3.9% of those under age 18 and 8.6% of those age 65 or over.
Genoa is governed by a mayor and eight-member City Council. The city is divided into four wards, with two aldermen representing each ward. The mayor and aldermen serve four-year terms. The terms of the City Council are staggered such that one alderman from each ward is elected every two years.
City Council Members 
Term expiration indicated in parentheses
- Mayor: Mark Vicary (2017)
- Ward 1: Glennis Carroll (2017)
- Ward 1: Pam Wesner (2015)
- Ward 2: Laurie Curley (2017)
- Ward 2: James Stevenson (2015)
- Ward 3: Vicki Seisser (2015)
- Ward 3: JoAnn Watson (2017)
- Ward 4: Jayson (Jay) Hansen (2015)
- Ward 4: Katie Lang (2017)
Genoa is part of the Genoa-Kingston (GK) School District with nearby Kingston. The district has 3 Public Elementary schools: Davenport Elementary School (Grades K-1) and Genoa Elementary School (Grades 4-5) located in Genoa and Kingston Elementary School (Grades 2-3) located in Kingston. In addition, Genoa is home to the Genoa-Kingston Middle School (Grades 6-8) and the Genoa-Kingston High School (Grades 9-12). The GK School District's team name is the Cogs, an acronym created from the phrase "Community of Genoa Schools" that also evokes a feeling of teamwork not unlike the cogs in a machine, however some local history states that it stands for "Consolidation of Genoa Schools".
- "2010 Census U.S. Gazetteer Files for Places - Illinois". United States Census. Retrieved 2012-05-03.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.