Miami Valley

[1] Commonly, however, it refers to the economic and cultural-social region centered on the Greater Dayton area.

[citation needed] Middletown and Hamilton both fall under the economic and cultural-social influence of Cincinnati and thus are not commonly included in this sense.

During the mid-twentieth century, among the largest employers in the Valley were Procter & Gamble in Cincinnati, Champion Paper and Fiber in Hamilton, Armco in Middletown, and National Cash Register in Dayton.

[3] Local television stations WDTN, ThinkTV (WPTD and WPTO), WHIO-TV, WKEF and WRGT include the following counties and cities in the cultural Miami Valley: Additionally, WHIO includes the following locations in its news and weather coverage: As Greater Cincinnati grows northward through Butler County, it could conceivably merge with Greater Dayton by 2030, thereby virtually erasing any boundary between the two current Combined Statistical Areas (CSA).

As a result, the US Census Bureau could begin reporting the Cincinnati and Dayton metropolitan areas as one by that time, though it would be up to the U.S. Office of Management and Budget to make the merger decision.