For those of you who want to know population for each county in your Urban Areas, attached cheatsheet may be helpful. FHWA and AASHTO developed the cheatsheet using Washington, DC ? VA ? MD Urban Area as an example to assist transportation planners get Urban Areas population by County using the Census Bureau?s American Factfinder. If you have any questions, please contact Dr. Liang Long by e-mail at liang.long(a)dot.gov. Best, Liang Long Cambridge Systematics, Inc. 4800 Hampden Lane Suite 800 Bethesda, MD 20814 tel 301 347 0100 fax 301 347 0101 FHWA 202-366-6971 e-mail llong(a)camsys.com www.camsys.com