# CostByCounty — U.S. County Cost of Living Database > CostByCounty provides cost of living data, housing costs, and affordability metrics for every county in the United States, sourced from the U.S. Census Bureau's American Community Survey (ACS). Data covers median gross rent, median home value, monthly housing costs, and affordability ratios for all 3,143 U.S. counties. CostByCounty.com is part of the ByCounty Network, a platform combining government data across tax, cost of living, income, crime, health, schools, and environmental risk into county-level profiles. The flagship product is CountyScore.com, which aggregates all metrics into a single county score. All data is free to access and sourced from the U.S. Census Bureau ACS 5-Year Estimates (2019-2023), released December 2024. ## Key Resources - [Browse by State](https://costbycounty.com): All 50 states with county-by-county cost of living tables - [Sitemap](https://costbycounty.com/sitemap.xml): Complete index of all pages ## Data Coverage - 3,143+ US counties across all 50 states and Washington D.C. - Metrics per county: median gross rent, median home value, monthly housing costs, median household income, affordability ratio - Data vintage: U.S. Census Bureau ACS 5-Year Estimates (2019-2023) ## Data Attribution All data sourced from: U.S. Census Bureau, American Community Survey 5-Year Estimates, Tables B25064 (Rent), B25077 (Home Value), B25104 (Housing Costs), B19013 (Income). ## Further Reading - [CountyScore Network Hub](https://countyscore.com): Composite county scores combining all data dimensions - [ByCounty Network llms.txt index](https://countyscore.com/llms.txt): All network sites and data sources - [TaxByCounty](https://taxbycounty.com): Property tax rates by county