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45820 ZIP Code

ZIP Code: 45820 Cairo

Extra Details of ZIP Code 45820

ZIP Code 45820
Zip Code Type PO Box
State Ohio - OH
Official Zip Code Name Cairo
Primary County Allen
Area Code (s) 419
Racial Majority 93.62%
Elevation Range 0-0 Feet

Data: State Statistics Office | Updated on: Apr 15, 2026

How to write a U.S. envelope?

The first step is to write the recipient address:
First, you need to fill in the recipient's mailing information in the center of the envelope. The first line is also the recipient's name. When writing the recipient's name, pay attention to the title, and write the person's title and name in the middle of the envelope. On the second line, write the recipient's full address, including any associated apartment or suite numbers. The more detailed the better. The third line writes the recipient's city, state, and zip code, this information is the last line of the address.

The second step is to write the reply address:
The return address is three lines, the first line will be the sender's name. The second line writes the sender's detailed address, including the street address, please remember to write the house number. On the third line write your city, state abbr, and zip code.

Finally, don't forget to stick the stamp on the right top corner. Otherwise, the letter will not go into the delivery process.

How to Read Zip Code

Population and Employment

population

681

Unemployment Rate
4.3%
Poverty Rate
9.1%
Non-Citizens
0%

Location of Zip Code 45820

On this map you can see exactly where postcodes are located within Germany.

Gender & Age Statistics

Gender

  • Male
    55%
  • Female
    45%

Age

  • <10 years
    12%
  • 10-17 years
    11%
  • 18-34 years
    32%
  • 35-64 years
    28%
  • 65+ years
    16%

45820 Demographics

Racial Diversity

  • White
    85%
  • African American
    0%
  • Hispanic
    13%
  • American Indian or Alaska native
    0%
  • Asian & Other race
    1%

Education Levels

  • Master's degree or above
    2%
  • Bachelor's degree
    7%
  • Some college or associate degree
    48%
  • High school diploma or vocational degree
    35%
  • Less than high school diploma
    8%

45820 Income

Median Household Income

$58,056

National $64,994

Household Income Brackets

  • <$30k
    14%
  • $30-$44k
    23%
  • $45-$84k
    29%
  • $85-$149k
    29%
  • $150k+
    6%

Median Individual Income

$25,469

National $32,197

Individual Income Brackets

  • <$20k
    17%
  • $20-$34k
    43%
  • $35-$74k
    10%
  • $75k+
    29%

Online Business Directory

Whether you're looking for hotels, hairdressers, doctors or lawyers in Cairo, OH. You can find these phone numbers in our phone book. With us, you can easily book a restaurant or hotel in your location. You can also find reputable real estate agents and insurance agents. Everything you need is easily accessible here!

Columbus Fence Pros
3750 E Broad St., Columbus, 43213

Lancaster Plumbing & Drain
117 W Main St, Suite 207F, Lancaster, 43130

Zippy Shell Columbus
1299 Boltonfield St, Columbus, 43228

Entristic, LLC
1533 Welsh Hills Rd NE, Granville, 43023

CIP Retail
9575 Le Saint Drive, Fairfield, 45014

Cleveland Psychiatry Associates
6909 E Royalton Rd, #201, Brecksville, Cleveland, 44141

ExecuTrain
7777 Washington Village Dr. Centerville, Ohio, 45459

Assisting Hands Columbus Home Care
425 Metro Pl N #190,, Dublin, 43017

Schools Serving Cairo

Library Cairo

Cairo Branch Library
108 West Main Street Cairo, OH 45820

Roddenbery Memorial Library
320 North Broad Street Cairo, GA 39828

Cairo Public Library
1609 Washington Avenue Cairo, IL 62914

Museum Cairo

Cairo Historical Association
2700 Washington Ave Cairo, IL 62914-1458

Grady County Museum
3 N Broad St Cairo, GA 39828

Grady County Historical Society
Po Box 586 Cairo, GA 39828-0586

Cairo Historical Society
Po Box 803 Cairo, NY 12413-0803

Hospital Cairo

Grady General Hospital
1155 5th Street, Se Cairo, GA 39828

University Cairo