{"found": true, "county": {"County_Seat": "San Rafael", "Year_Founded": "1850 ", "Land_Area": "520", "Population_Level": "262,321", "Population_Density": "504", "County_Government_Type": " County", "Governing_Authority": "Dillon's Rule", "Governing_Body": "Board of Supervisors", "Board_Size": 5, "Full_Address": "3501 Civic Center Dr<br>County Civic Center<br>San Rafael, CA 94903-4176", "County_Website": "https://www.marincounty.org/", "County_Pop_25_64_Age": "51.15%", "County_Pop_Over_65_Age": "22.31%", "County_Labor_Force": "130,138", "County_Unemployment_Rate": "6.70%", "County_GDP": "$23.80 B", "Population_Change": "3.93%", "Housing_Units": "111,564", "Pct_Housing_Units": "93.37%"}, "pop": {"1920": 27337, "1930": 41640, "1940": 52897, "1950": 85603, "1960": 146793, "1970": 206038, "1980": 222568, "1990": 230096, "2000": 247301, "2020": 262321, "2010": 252409}}