. Author manuscript; available in PMC: 2009 Jan 1.

Published in final edited form as: Math Comput Model. 2008;48(5-6):929–939. doi: 10.1016/j.mcm.2007.11.016

Table 1.

Counties in the Research Triangle Park (RTP) Metro Region in 2000.

Name	Population (2000)	Households	Area (mi²)
Chatham	49,329	19,741	709
Durham	223,314	89,015	298
Franklin	47,260	17,853	495
Johnston	121,965	46,595	796
Orange	118,217	45,863	401
Wake	627,846	242,040	857
Total	1,187,931	461,107	3556