Marion, OH: Population, ZIP Codes & Nearby Cities

Marion, OH is a small incorporated city located in Marion County in the state of Ohio. Our data estimates 45,181 residents, places it at 40.593°N, 83.124°W, and lists it in Eastern time. This page explains its population rank, ZIP codes, nearby cities and distance to big metros.

What are the key facts about Marion, OH?

What is the population of Marion, OH?

Marion has an estimated population of 45,181. That makes it the 28th largest of the 1,202 places we list in Ohio, and the largest place in its county. The typical place in Ohio has about 1,244 residents, so Marion is roughly 36.3 times the size of a typical neighbor in the state.

Estimates for places of this size carry wider margins of error than those for big cities, so treat the figure as a guide to scale. Our guide to understanding city population numbers explains why sources disagree.

Places in Ohio with a similar population include Sandusky (46,655), Euclid (46,550), Strongsville (44,660), Lancaster (44,447), Cleveland Heights (43,992). Comparing these pages is a quick way to see how Marion differs from communities of the same scale.

How dense is Marion?

Marion has about 3,043 people per square mile (1,175 per square kilometer), which we classify as suburban. Within Ohio, it is denser than about 93% of the listed places. Land at this level is usually a mix of single-family neighborhoods, shopping corridors and parks, where driving is common but destinations are close. Read how to interpret population density to see how we draw these lines.

What ZIP codes does Marion use?

Marion uses one ZIP code: 43302. A single code usually means a compact delivery area, but the same code may also serve addresses just outside the town line. Codes beginning with 4 are assigned to the Great Lakes and Ohio Valley (Indiana, Kentucky, Michigan and Ohio). Learn more in our guide to how ZIP codes work or check any code with the ZIP code lookup.

What time zone is Marion in?

Marion is in the Eastern time zone, which is UTC−5 from Coordinated Universal Time in standard time (IANA zone America/New_York). The area observes daylight saving time, so clocks move forward in March and back in November. The nearest listed place in a different time zone is La Porte, IN, about 200 miles away, which gives a sense of how far the nearest zone boundary may be. Current local time: see the Eastern time hub. For the rules behind these zones, read US time zones explained.

Where is Marion located in Ohio?

Marion lies in the central part of Ohio, at 40.593° north latitude and 83.124° west longitude. The state capital, Columbus, is about 43 miles to the south. The closest listed place in another state is Lambertville, MI, roughly 84 miles to the north, which shows how near Marion is to a state line. For big-city services, the nearest place with more than 100,000 people is Columbus, OH, 43 miles to the south.

Which cities are near Marion, OH?

The closest listed place to Marion is Bucyrus, OH, 16.7 miles to the northeast. Of the eight nearest places below, 0 are in the same county. Distances are straight-line (great-circle) miles measured between place centers; see how distance is calculated.

Which county is Marion in?

Marion is in Marion County, which has the Federal Information Processing Standards (FIPS) code 39101. The county contains 8 places in our data, 1 of which have their own page here and 7 smaller communities that appear only in county and state lists. Other places in the county include Prospect (1,058), La Rue (714), Caledonia (557), New Bloomington (511), Morral (382). Codes like this one help separate places that share a name; see the guide to counties and FIPS codes.

How far is Marion from major US cities?

Among six major hubs, Marion is closest to Chicago, IL at about 252 miles and farthest from Los Angeles, CA at about 1,975 miles in a straight line. Road distances are usually 10 to 30 percent longer. Try the distance calculator for any other pair.

Are there other places called Marion?

Yes. Our data lists 21 other places named Marion: Marion, IN (40,588), Marion, IA (40,359), Marion, IL (17,520), Marion, NC (13,454), Marion, AR (12,310), Marion, VA (7,414), Marion, SC (6,804), Marion, AL (3,123), and 13 more. When you search for Marion, add the state or county so you land on the right one. This page covers the Marion in Marion County, Ohio.

Where to go next

Population and density come from a compiled dataset and are estimates. They may differ from official Census Bureau counts. Verify important figures at census.gov.