Mercer County, OH ZIP Codes

12 ZIP codes cover all or part of Mercer County, Ohio. The Census Bureau counts 42,484 residents in the county, with a median household income of $76,782 and a median home value of $210,600. Median household income ranges from $45,556 in 45862 to $113,967 in 45883. Its largest communities include Celina, Coldwater, St. Henry, Fort Recovery and Maria Stein.

Mercer County (Census county figures)

MeasureCensus figure
Residents42,484
Households16,408
Median household income$76,782
Median home value$210,600
Median age39.4
Median rent$804

All 12 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)47,636
Households (sum of ZIP codes)18,528
Median household income, range across ZIP codes$45,556 (45862) to $113,967 (45883)
Household-weighted average of ZIP medians (an approximation, not a true median)$78,393
Homeowners79.5%
Households with kids under 1828.9%
Moved in the past year9.6%
Carrier routes in EDDM2GO's route library43 routes, 18,167 homes (9 of 12 ZIP codes)

Top facts

Every ZIP code in Mercer County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
45822Celina19,9578,386$70,200$182,70075.8%23.8%11.0%179,315100% of its land
45828Coldwater6,4042,281$72,703$252,10072.4%41.2%17.0%62,666100% of its land
45846Fort Recovery4,6441,671$91,736$249,40090.2%29.1%6.5%31,08986% of its land
45869New Bremen4,1701,815$88,277$249,70076.6%25.6%6.1%51,86810% of its land
45883Saint Henry4,1441,207$113,967$297,00090.4%46.2%6.0%31,38297% of its land
45882Rockford2,9191,127$74,625$161,70082.6%27.5%10.2%41,14094% of its land
45860Maria Stein2,326729$111,269$296,00091.5%43.2%3.3%3857100% of its land
45862Mendon1,417646$45,556$108,20086.7%15.2%3.7%146392% of its land
45898Willshire917367$53,783$141,30079.8%29.2%4.8%133034% of its land
45826Chickasaw394150$101,250$296,90089.3%34.0%3.7%——100% of its land
45310Burkettsville22793$77,917$207,00095.7%24.7%0.0%——72% of its land
45866Montezuma11756$80,833$110,90091.1%7.1%9.4%——100% of its land

A ZIP code is listed for Mercer County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.

Cities and communities

Rankings

Price a mailing to Mercer County ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Mercer County, OH?
45822, 45828, 45846, 45869, 45883, 45882, 45860, 45862, 45898, 45826, 45310 and 45866. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Mercer County?
42,484 residents in 16,408 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Mercer County?
$76,782 for the county as a whole. Its ZIP codes range from $45,556 (45862) to $113,967 (45883).
Which Mercer County ZIP code has the highest median household income?
45883, at $113,967, among ZIP codes with at least 1,000 residents. See the full ranking of Mercer County ZIP codes by income.
How many carrier routes and mailboxes are in Mercer County?
For the 9 of 12 ZIP codes in EDDM2GO's stored route library: 43 carrier routes reaching 18,167 residential and 945 business mailboxes. The route map loads the rest when you search them.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.