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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2023

ZIP Codes for City of Cynthiana, IN

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Counties:POSEY, IN
Area Code(s):812
Timezone(s):Central (GMT -06:00)
City Population:545 (More Details)
CBSA:Evansville, IN-KY
Congressional District(s):08
Land Area:410 square miles (county)
Water Area:10 square miles (county)

1 ZIP Code

Cynthiana, IN ZIP Code Boundaries

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Cynthiana, IN Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Cynthiana, IN Demographic Information *

Total population**545
Male population271
Female population274
Median age (years)42.5
White Population526
Black Population1
Indian Population1
Asian Population1
Hawaiian Population0
Hispanic Population3
Median age (Male)41.8
Median age (Female)43.1
Total households236
Family households (families)154
Average household size2.31
Average family size2.8
Total housing units272
* Demographic data is based on 2010 Census for the City of CYNTHIANA.
** 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],