The cost of renter's insurance for an apartment can vary depending on several factors such as the location of the apartment, the coverage amount, and the insurance company. On average, renter's insurance can cost between $120 to $190 per year, but this can vary significantly based on individual circumstances. Factors such as the crime rate in the area, the value of personal belongings to be insured, and the chosen deductible can all impact the cost of renter's insurance. It's important to shop around and compare quotes from different insurance providers to find the best coverage at a competitive price.