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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Genoa, IL

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Counties:DEKALB, IL
Area Code(s):779, 815
Timezone(s):Central (GMT -06:00)
City Population:5,193 (More Details)
CBSA:Chicago-Naperville-Elgin, IL-IN-WI
Congressional District(s):11, 14
Land Area:631 square miles (county)
Water Area:3 square miles (county)

1 ZIP Code

Genoa, IL ZIP Code Boundaries

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Genoa, IL Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Genoa, IL Demographic Information *

Total population**5,193
Male population2,603
Female population2,590
Median age (years)32.9
White Population4,833
Black Population42
Indian Population10
Asian Population24
Hawaiian Population1
Hispanic Population784
Median age (Male)32.6
Median age (Female)33.2
Total households1,799
Family households (families)1,332
Average household size2.89
Average family size3.37
Total housing units1,959
* Demographic data is based on 2010 Census for the City of GENOA.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],