A post office called Socrum was established in 1907, and remained in operation until 1918. According to tradition, the name is a contraction of "soak 'em", on account of the marshy town site. An alternate derivation is a conjunction of "soak & rum", as early settlers would keep barrels of rum both relatively cool and safe from native populations by immersing said barrels in "Indian Lake" - a small lake at 28° 09.89" N, 82° 00.54" W as part of modern-day Bethel Baptist Church near the corner of North Socrum Loop Road and North Campbell Road 
- U.S. Geological Survey Geographic Names Information System: Socrum, Florida
- "Polk County". Jim Forte Postal History. Retrieved 6 June 2015.
- Sawyer, Martha F. (Jul 8, 1987). "Polk towns named from various sources". Lakeland Ledger. pp. 5C. Retrieved 6 June 2015.
- "Our Communities: A look at Socrum". Lakeland Ledger. Mar 4, 2013. Retrieved 1 August 2016.
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