Regional position
Its 2025 listing is 214, and the key is 39-21000; the inventory calls Dayton, Ohio (code 21000, estimate 136,688) an incorporated city. Dayton, Ohio (rank 214) is plotted from 39 degrees 47 minutes 5 seconds north with 84 degrees 11 minutes 59 seconds west; identifier 39-21000 prevents a reference from losing its name. Dayton, Ohio (latitude 39.78474) carries a 2025 estimate of 136,688; place code 21000 ties that number to the guide record. Identifier 39-21000 preserves local identity as the view widens; read Dayton, Ohio (FIPS 39-21000) against Ohio's Lake Erie shore, glacial plains, river valleys, and the Appalachian transition.
Water and drainage
Place code 21000 separates drainage from streets and parcels; a geographic reading of Dayton, Ohio (code 21000, estimate 136,688) starts with Lake Erie, the Ohio River, and glacially shaped tributaries. A checked Ohio fact notes cuyahoga Valley Countrywide Park lies in the Appalachian Plateaus province; that observation widens the water view near Dayton, Ohio (rank 214), code 21000. The point for Dayton, Ohio (latitude 39.78474), 39-21000, may be compared with the drainage layer; neither becomes a complete local survey. State 39 and place 21000 preserve the reference; use the water layer to compare the setting of Dayton, Ohio (FIPS 39-21000).
Relief and elevation
glacial plains, lake shore, Appalachian foothills, and wooded valleys provides the relief vocabulary for reading Dayton, Ohio (code 21000, estimate 136,688); identifier 39-21000 keeps the geographic entry specific. The latitude of Dayton, Ohio (rank 214), 39 degrees 47 minutes 5 seconds north, preserves location while the broader terrain supplies another dimension. State 39 supplies the broader geographic frame; the evidence paired with Dayton, Ohio (latitude 39.78474) notes glaciers filled older Cuyahoga valleys, and modern channels cut those deposits. Land and water meet in the setting of Dayton, Ohio (FIPS 39-21000); terrain and drainage belong in one reading for rank 214.
Settlement pattern
Rank 214 supplies comparison; the map presents Dayton, Ohio (code 21000) as an incorporated city inside a wider human pattern. Read 136,688 as the reported size of Dayton, Ohio (rank 214); code 21000 is not a shortcut for jurisdictional shape. Place code 21000 marks the distinction; for Dayton, Ohio (latitude 39.78474), regional continuity can be shown even when municipal identity remains distinct. The settlement frame for Dayton, Ohio (FIPS 39-21000) begins with Ohio, next narrows to the Census point at rank 214. For rank 214, Dayton, Ohio (estimate 136,688) remains a defined entry within a wider and changing settlement landscape.
Reading the city map
Read Dayton, Ohio (code 21000) as one marker inside Ohio; place code 21000 keeps the named entry from drifting. Rank 214 and identifier 39-21000 protect the identity behind it; the marker for Dayton, Ohio (rank 214) gives a set anchor. Ohio supplies that frame; Water and terrain make better checks for Dayton, Ohio (latitude 39.78474) than a name without its statewide frame. The reference remains the local locator; readers keep Dayton, Ohio (FIPS 39-21000) in proportion by remembering that the Ledges expose conglomerate. This method holds Dayton, Ohio (estimate 136,688) specific while leaving unsupported live routes and present-condition claims aside.