Looking for a cheap apartment for rent in Hidalgo County, TX? With RENTCafé, finding an affordable apartment in Hidalgo County, TX has never been easier. We feature 13 low-priced rentals directly from property managers, with rents lower than the Hidalgo County, TX average. What is a cheap rent in Hidalgo County, TX? The average apartment rent in Hidalgo County is $813 per month so any rental south of $650 would be considered cheap here. Size matters though, so if you are in a market for a studio, expect to pay around $481 per month. If you’re looking to upgrade to a 1-bedroom apartment you’ll pay around $485, while a cheap 2-bedroom apartment will cost you about $578 per month.