Milan Assessor. Find Milan Illinois assessor, assessment, auditor's, and appraiser's office, revenue commissions, GIS, and tax equalization departments. Assessors provide information on property and land tax assessment, property listings, values, valuations, property search, and records. Milan Assessor.
1. San Bernadino, California (20,105 square miles) San Bernardino County in California is the largest county in the United States, at 20,105 square miles including both land and water surface area. San Bernardino is also the fifth largest county in terms of population, with 2,035,210 people as of the 2010 census.
San Bernardino by size, LA county by population, San Francisco County by population density. The county of San Bernardino is the largest county in California.It has a populatiâ¦on of just over two million in a 20,105 squaremile area.