Population forecasts for Harford County are expected to increase by 44,225 people between 2015 and 2045. The population projections are estimated for: 2020 - 257,680; 2025 - 264,870; 2030 - 271,865;2035 - 280,570; 2040 - 289,220; 2045 - 294,250.
Demographic Data and Growth Trends (PDF)