Harrison County - Missouri [Back to Main] County Information Population: 8,850 Average Income: $28,707 Area: 725 sq. miles Cities: Bethany, Blythedale, Cainsville, Eagleville, Gilman City, Hatfield, Martinsville, New Hampton, Ridgeway Service Providers Company Name and Location(s) Serviced Services Provided and Costs Grand River Mutual [Link] Bethany, Cainsville, Eagleville, Gilman City, New Hampton, Ridgeway DSL Modem charges and installation fees dependant on length of contract. 1.5mbit - $42.95/month Mid-States Services [Link] Bethany wireless Free modem and installation with 1 year contract. 1mbit - $39.95/month North Missouri Internet Services [Link] Bethany, Gilman City wireless $99 - $399 depending on location 128kbit - $19.95/month 2.0mbit - $29.95/month