Crawfordsville, historically Crawfordville, is a town in Crittenden County, Arkansas, United States. The population was 479 at the 2010 census.
Crawfordsville is located near the center of Crittenden County at 35°13′33″N 90°19′35″W (35.225741, -90.326318). According to the United States Census Bureau, Crawfordsville has a total area of 0.58 square miles (1.5 km2), all land.
Ecologically, Crawfordsville is located within the Northern Backswamps ecoregion within the larger Mississippi Alluvial Plain. The Northern Backswamps are a network of low-lying overflow areas and floodplains historically dominated by bald cypress, water tupelo, overcup oak, water hickory, and Nuttall oak forest subject to year-round or seasonal inundation. The Wapanocca National Wildlife Refuge, which preserves some of the year-round flooded bald cypress forest typical of this ecoregion prior to development for row agriculture lies northeast of Crawfordsville.
U.S. Route 64 passes just north of the town, leading east 8 miles (13 km) to Marion and 19 miles (31 km) to Memphis, Tennessee, and west 9 miles (14 km) to Earle.
As of the census of 2000, there were 514 people, 202 households, and 142 families residing in the town. The population density was 451.0/km2 (1,167.1/mi2). There were 222 housing units at an average density of 194.8/km2 (504.1/mi2). The racial makeup of the town was 49.81% White, 49.42% Black or African American, 0.19% Asian, and 0.58% from two or more races.