Under-banked markets are those Designated Market Areas (DMA) with the highest percentage of adult residents without either a savings or checking account. 1 Laredo, Texas 2 Greenwood-Greenville, Miss. 3 Harlingen-Weslaco-Brownsville-McAllen, Texas 4 Albany, Ga. 5 Columbus, Ga. 6 Yuma, Ariz. / El Centro, Calif. 7 Corpus Christi, Texas 8 Fresno-Visalia, Calif. 9 Baton Rouge, La. 10 El Paso, Texas Source: Experian Simmons