Renter's insurance for an apartment can vary in cost depending on several factors such as the location of the apartment, the coverage amount, and the insurance company. On average, the cost of renter's insurance for an apartment ranges from $120 to $190 per year. However, this cost can be higher or lower based on the specific circumstances. Factors that can influence the cost include the crime rate in the area, the value of the renter's belongings, and the chosen deductible amount. It's important to shop around and compare quotes from different insurance providers to find the best coverage at a competitive price.