Cairo, OH 45820 ZIP Code Profile

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Cairo, OH

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ZIP Code 45820: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Cairo, OH 45820

  • ZIP Code Type: PO BOX
  • Businesses Addresses: 18
  • Single Family Addresses: 1
  • Multi-Family Addresses: 0
  • County: Allen County
  • Centroid: Latitude 40.831, Longitude -84.085
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


45820 ZIP Code Map

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Cairo, OH 45820 Data & Demographics (As of July 1, 2016)


Total Population 470
Population in Households 470
Population in Familes 404
Population in Group Qrtrs 0
Population Density1 1,991
Diversity Index2 8


Total Households 183
Average Household Size 2.57
Family Households 131
Average Family Size 3


Total Housing Units 205 (100%)
Owner Occupied HU 144 (70.2%)
Renter Occupied HU 39 (19.0%)
Vacant Housing Units 22 (10.7%)
Median Home Value $90,580
Average Home Value $142,535


Median Household Income $48,279
Average Household Income $56,600
Per Capita Income $22,038
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.73% -0.52%
Households -0.51% -0.44%
Families -0.71% -0.46%
Median Household Income   2.18%
Per Capita Income   2.45%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Cairo, OH 45820 - Peer Comparisons by Rank and Percentile

The table below compares 45820 to the other 1,168 ZIP Codes in Ohio by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 1004 14th
Population Density1 # 206 82nd
Diversity Index2 # 799 33rd
Median Household Income # 625 47th
Per Capita Income # 756 35th

Additional comparisons and rankings can be made with a VERY EASY TO USE Ohio Census Data Comparison Tool.