{"found": true, "county": {"County_Seat": "Trenton", "Year_Founded": "1838 ", "Land_Area": "224", "Population_Level": "387,340", "Population_Density": "1,726", "County_Government_Type": " County", "Governing_Authority": "Home Rule", "Governing_Body": "Board of Freeholders", "Board_Size": 7, "Full_Address": "640 S Broad St,  P.O. Box 8068 <br>McDade Administration Building<br>Trenton, NJ", "County_Website": "http://www.mercercounty.org/", "County_Pop_25_64_Age": "52.21%", "County_Pop_Over_65_Age": "15.14%", "County_Labor_Force": "205,405", "County_Unemployment_Rate": "7.40%", "County_GDP": "$31.47 B", "Population_Change": "5.68%", "Housing_Units": "150,442", "Pct_Housing_Units": "92.63%"}, "pop": {"1920": 159881, "1930": 187143, "1940": 197318, "1950": 229781, "1960": 266392, "1970": 303968, "1980": 307863, "1990": 325824, "2000": 350773, "2020": 387340, "2010": 366513}}