Supplemental Table 2. Estimated Demographic Components of Change for Counties: April 1, 2000 to July 1, 2008

File: County Population Estimates and Estimated Demographic Components of Change File

Date: May 2010

Source: U.S. Census Bureau, Population Division, 2010

Sort order of observations: Counties within state in FIPS code sort.

Data fields (in order in which they appear):

VARIABLE:		DESCRIPTION:
STATE			State FIPS code
COUNTY			County FIPS code
STCOU			State and county code
STNAME			State name
CTYNAME			County name
COASTLINESTATUS		Coastline status of county
COASTLINEREGION		Coastline region of coastline county
ESTIMATESBASE2000	4/1/2000 resident total population estimates base
POPESTIMATE2008		7/1/2008 resident total population estimate
SUM_NPOPCHG		Numeric change in resident total population in period
			4/1/2000 to 7/1/2008
SUM_NATURALINC		Natural increase in period 4/1/2000 to 7/1/2008
SUM_BIRTHS		Births in period 4/1/2000 to 7/1/2008
SUM_DEATHS		Deaths in period 4/1/2000 to 7/1/2008
SUM_NETMIG		Net migration in period 4/1/2000 to 7/1/2008
SUM_INTERNATIONALMIG	Net international migration in period 4/1/2000 to 7/1/2008
SUM_DOMESTICMIG		Net domestic migration in period 4/1/2000 to 7/1/2008
SUM_RESIDUAL		Residual in period 4/1/2000 to 7/1/2008

Note: The April 1, 2000 estimates base reflects changes to the Census 2000
population resulting from legal boundary updates as of January 1, 2008, other 
geographic program changes, and the Count Question Resolution program. All
geographic boundaries for the July 1, 2008 population estimates series are as
of January 1, 2008.
The county population estimates methodology is available at:
<http://www.census.gov/popest/topics/methodology/2008-st-co-meth.pdf>. Total 
population change includes a residual. This residual represents the change in
population that cannot be attributed to any specific demographic component of
change (see http://www.census.gov/popest/topics/terms/states.html). Net 
international migration is any change of residence across the borders of the 
United States (50 states and District of Columbia). The U.S. Census Bureau makes
estimates of net international migration for the nation, states, and counties. 
It estimates net international migration in four parts: (1) net international 
migration of the foreign born, (2) net migration between the United States and 
Puerto Rico, (3) net migration of natives to and from the United States, and 
(4) net movement of the Armed Forces population between the United States and 
overseas.

Source: U.S. Census Bureau, Population Division.