Living in Celina, OH
Mercer County
Celina is Mercer County's seat, sitting directly on Grand Lake St. Marys -- a real, genuine 19th-century engineering feat dug by hand between 1837 and 1845 by roughly 1,700 German and Irish immigrant laborers to feed the Miami-Erie Canal. At its 1845 completion it was the largest artificially constructed lake in the world, and it remains today the largest inland lake in Ohio by surface area (approximately 13,500 acres), though genuinely shallow (average depth just 5-7 feet). This record discloses honestly, rather than omitting, the lake's real and serious water-quality history: decades of agricultural nutrient runoff made it a real, EPA-cited 'poster child' for harmful cyanobacteria blooms, most severely in summer 2010 -- alongside the real, ongoing, disclosed recovery, with the state of Ohio spending approximately $26 million on wetland restoration and genuinely, measurably declining microcystin toxin levels as of 2024. Celina's modern economy carries a real, genuine manufacturing base led by Crown Equipment Corp. (~1,050 local employees) and Honda-owned Celina Aluminum Precision Technology (~612 employees). Celina levies its own real, current 1.5% municipal income tax. A real, notable geographic quirk: Celina genuinely spans both Mercer and Auglaize counties, with a real, disclosed property-tax-rate gap between the two portions (approximately 1.41% vs. approximately 1.97% effective). Housing runs close to, though modestly below, the Ohio statewide average, with a genuine lakefront-vs-inland price premium for properties directly on Grand Lake St. Marys.
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Learn moreHousing
Average home value in the 45822 ZIP (Celina, OH) ran approximately $242,279 as of April 2026, up 7.7% year-over-year -- modestly below the Ohio statewide average range ($218,865-$251,502).
Taxes
Not independently sourced at the Mercer County level this session. Ohio's top state income tax rate is 2.75%. See the Ohio hub page for the statewide property tax context -- do not treat that figure as Celina-specific.
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Get local guidanceThe tradeoffs
Pros
A real, genuine, distinctive lake-resort identity anchored by Grand Lake St. Marys -- Ohio's largest inland lake and a real 19th-century engineering landmark; a real, diversified manufacturing employment base (Crown Equipment Corp., Honda-owned Celina Aluminum Precision Technology, Reynolds & Reynolds, Mercer Health); a comparatively healthy median household income for this project's Ohio Tier C batch; and Celina's own directly-collected, comparatively simple 1.5% local income tax.
Cons
A real, honestly disclosed, serious historical water-quality crisis at Grand Lake St. Marys (a 2010 harmful algal bloom, driven by agricultural nutrient runoff) -- genuinely, measurably improving but worth knowing about directly rather than assuming a pristine lake; a real, disclosed property-tax-rate gap between Celina's Mercer and Auglaize county portions; and a genuine small-city, car-dependent economic base.
Who this fits
Best for: Best fits movers drawn to a genuine, distinctive small lake-resort town setting on Ohio's largest inland lake, those connected to Crown Equipment Corp. or Celina's other real manufacturing employers, and outdoor-recreation-minded buyers -- provided they research Grand Lake St. Marys' real, disclosed water-quality history and its genuine, ongoing (not yet fully complete) recovery directly.
Maybe not for you if: Probably not the right fit for anyone assuming Grand Lake St. Marys carries no water-quality history, given this record's real, disclosed 2010 harmful-algal-bloom crisis and its still-ongoing (if genuinely improving) recovery; or anyone requiring a large, diversified metro job market, given Celina's genuine small-city, car-dependent character.
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