Pea Ridge, AR (city, FIPS 54200) Location: 36.45052 N, 94.11590 W Population (1990): 1620 (638 housing units) Area: 7.7 sq km (land), 0.0 sq km (water) Zip code(s): 72751 Pea Ridge, WV (CDP, FIPS 63488) Location: 38.41397 N, 82.31996 W Population (1990): 6535 (2927 housing units) Area: 6.3 sq km (land), 0.1 sq km (water)