Forecast Population

30-year population forecasts at a parcel level within Fairfax County developed on the VALID_TO date in the attribute table. For methodology and a data dictionary please view the IPLS data dictionary本数据集为费尔法克斯县（Fairfax County）范围内以地块级为单元的30年人口预测结果，基于属性表中的VALID_TO日期生成。如需了解方法学与数据字典，请查阅IPLS数据字典。