Ontario, OH ZIP Codes

2 ZIP codes serve Ontario, Ohio: 44903 and 44906. Together they are home to 42,985 residents in 18,103 households. That is more than the 6,667 people counted inside Ontario city limits, because these ZIP codes reach past its boundary. Median household income ranges from $52,624 in 44906 to $67,215 in 44903.

Ontario city limits (Census)

MeasureCensus figure
Residents6,667
Households2,732
Median household income$68,539
Median home value$174,500
Median age39.9
Median rent$1,093

All 2 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)42,985
Households (sum of ZIP codes)18,103
Median household income, range across ZIP codes$52,624 (44906) to $67,215 (44903)
Household-weighted average of ZIP medians (an approximation, not a true median)$60,865
Homeowners66.4%
Households with kids under 1824.0%
Moved in the past year12.2%
Carrier routes in EDDM2GO's route library34 routes, 18,850 homes (2 of 2 ZIP codes)

Top facts

Every ZIP code in Ontario

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
44903Mansfield25,64210,225$67,215$180,60073.6%26.3%9.6%2011,1704% of its land
44906Mansfield17,3437,878$52,624$140,30057.1%20.9%16.1%148,90836% of its land

A ZIP code is listed for Ontario when at least 10% of its land lies inside Ontario city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Ontario. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Ontario.

Counties

Nearby cities sharing these ZIP codes

Price a mailing to Ontario ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Ontario, OH?
44903 and 44906. A ZIP code is listed for Ontario when at least 10% of its land lies inside Ontario city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Ontario.
What is the population of Ontario, OH?
The Census Bureau counts 6,667 residents inside Ontario city limits (ACS 2020–2024). The 2 ZIP codes that serve Ontario hold 42,985 residents in all.
What is the median household income in Ontario, OH?
$68,539 inside Ontario city limits, per the Census Bureau. Across its ZIP codes the medians run from $52,624 to $67,215.
Which Ontario ZIP code has the highest median household income?
44903, at $67,215, among ZIP codes with at least 1,000 residents.
How many carrier routes and mailboxes are in Ontario, OH?
For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 34 carrier routes reaching 18,850 residential and 1,227 business mailboxes.

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