Harvey County is located in south central Kansas, along the Little Arkansas River. Harvey County is approximately ten miles n ... orth of the City of Wichita, and is within the northern portion of the Wichita Metropolitan Statistical Area. The County encompasses 540 square miles, is 18 miles wide in its north-south dimension and 30 miles long in its east-west dimension. Harvey County is an excellent location for both highway and railroad travel. Interstate I-135 lies north to south in the middle of the County, Highway 50 lies east to west through the County, and the Amtrak-mainline of the Burlington-Santa Fe Railroad lies east to west through the County. read more