Steinfeld lies between Lohr am Main and Karlstadt on the Fränkische Platte (a flat, mostly agricultural region), in the zone where the geology changes from bunter- to Muschelkalk-based.

The community has the following Gemarkungen (traditional rural cadastral areas): Hausen, Steinfeld, Waldzell.

In documents from that time, it is styled Steinvelt im Waldsassengove (that is, the Waldsassengau, a mediaeval territorial unit).

[4] As part of the Princely Electorate (Hochstift) of Würzburg (Amt of Rothenfels), Steinfeld passed with the 1803 Reichsdeputationshauptschluss to the Counts of Löwenstein-Wertheim.

The Ortsteil of Waldzell (formerly: Cella/Zell) is believed to have likewise arisen in the 9th century as a Neustadt monastic outpost (a “cell”).

The mayor is Günter Koser (in Steinfeld supported by the CSU and the Bürgerblock as well as by the voters’ communities of Hausen and Waldzell).

The heraldic pattern seen in the inescutcheon on the dexter (armsbearer's right, viewer's left) side, the so-called Franconian rake, refers to the Prince-Bishopric (Hochstift) of Würzburg, under whose ownership Steinfeld lay until the Old Empire came to an end in 1803.

[7] According to official statistics, there were 192 workers on the social welfare contribution rolls working in producing businesses in 1998.