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ZIP Code Database - Facts & Stats

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Area Code 231 Census Data

Area Code 231 Covers These States

Area Code 231 covers 22 Counties

Area Code 231 Demographic Information *

Population:652,633
White Population:597,022
Black Population:28,932
Hispanic Population:16,793
Asian Population:2,457
Hawaiian Population:187
Indian Population:7,458
Other Population:6,333
Male Population:324,295
Female Population:328,338
Avg House Value:$96,964.10
Avg Household Income:$37,335.75
Avg Persons Per Household:2.52
Median Age:39.43
Median Age (Male):38.70
Median Age (Female):40.16

* Demographic data is based on information taken from the 2010 Census.

Area Code 231 covers 141 Cities


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