What is considered to be Northwest Ohio, with the dark-blue colored counties always included, the middle shade of blue counties being included most of the time, and the lightest colored blue counties being included the least. The lighter the shade, the more debatable it is. With the exception of Marion County, all of the counties primarily belong to the 419/567 area code.
Northwest or northwestern Ohio consists of multiple counties in the northwestern corner of the US state of Ohio. This area borders Lake Erie, southern Michigan, and eastern Indiana. Some areas in northwestern Ohio are also considered the Black Swamp area. The Toledo metropolitan area is also part of the region. Just like any other region, there is no universally agreed-upon boundary for northwestern Ohio, as the entire area is defined differently by the opinions of multiple people.
The area's population in the year 2000 was 1,639,144. The area is declining in population, specifically in the northern regions (counties shaded in the darker blue and Allen County). Southern areas such as Marion and Morrow counties are growing.
If a city is a county seat, it has been listed above according to the county in which it lies. Many of the cities, townships, and villages in northwest Ohio are clustered in the Toledo MSA. This list is incomplete.
What is considered to be Extreme Northwest Ohio is shaded in red including the counties of Defiance, Fulton, Henry, Paulding, Putnam, Van Wert, and Williams. Allen and Hancock counties are sometimes included in the geographical area and are shaded in a lighter red.
Extreme Northwest Ohio, or Far N'western Ohio, is a portion of Northwest Ohio best known as the Great Black Swamp area due to its natural history. The counties of Defiance, Fulton, Henry, Paulding, Putnam, Van Wert, and Williams in the state of Ohio are usually classified as extreme northwest Ohio.
According to the 2000 Census, the population of this portion of NW Ohio is 234,660. When Allen and Hancock counties are included, the population is 414,428. Just like any other region, there is no universally agreed-upon line for northwestern Ohio, as the entire area is defined differently by the opinions of multiple people.
Toledo Express Airport (TOL), in suburban Swanton, is the largest airport in northwest Ohio. Toledo Express is served by seven major passenger airlines, and has been named one of the five best small airports in the Midwest. Toledo Express is also a major air cargo center, serving as the international hub for BAX Global. Toledo Express has begun a $22 million renovation project; As of 2007, the airport has expanded and renovated the central gate area of its single terminal, and is seeking an airline to offer direct service to New York City.
Charter and air taxi service is also available at several smaller airports, such as Toledo Metcalf Field, Findlay Airport, and Lima Allen County Airport. General aviation users can also land at any one of approximately 40 public-use airports (both publicly and privately owned) in northwest Ohio.
Former president Gerald Ford's wife Betty Ford lived in Toledo for a short period of time in the 1940s with her ex husband before marrying Gerald Ford.
Late Children's Television show host, Miss Frances was born in Ottawa, Putnam County.
2006 Indianapolis 500 winner, 3 time Indy Car champion, and current NASCAR driver Sam Hornish Jr. was born in Bryan, grew up in Defiance, and now lives in Napoleon.