Cost of Living Report The cost of living in Richardson is slightly below the national average due to relatively low housing, rent, public transportation and utility costs.Cost of Living Comparison Region Composite Index United States 100.0 Atlanta, GA 101.6 Houston, TX 92.1 Dallas, TX 102.5 Chicago, IL 120.3 Phoenix, AZ 104.3 Miami, FL 120.6 Denver, CO 110.5 Philadelphia, PA 104.5 Washington DC 152.2 Seattle, WA 149.9 Boston, MA 149.7 New York, NY 227.7 Los Angeles, CA 150.6 San Francisco, CA 178.6 Source: C2ER, March 2023 For another great cost of living resource, click here.