Analysis of information sources in references of the Wikipedia article "Stalter" in English language version.
South German: from Middle High German stalde 'steep path', 'steep slope', hence a topographic name for someone who lived on a steep slope, or a habitational name for someone from a place named with this word, as for example Stalden in Switzerland.
Approximately 4,008 people bear this surname. This surname means: one who lives on a steep hill.