Lewiston-Auburn, ME Metro Area Immigration

Population

The Lewiston-Auburn Metropolitan Statistical Area (MSA) population 1/ increased from 91,279 in 1970 to 107,704 in 2010. That was an increase of 18.0 percent.

The foreign-born (FB) population decreased from 6,188 in 1970 to 3,624 in 2010. That was a decrease of 41.4 percent. The foreign-born share changed from 6.8 percent to 3.4 percent.

The share of the overall population that was native-born (NB) increased by 22.3 percent.

	Lewiston MSA: Population  1970-2010

Sources of Population Change

The primary sources of population change are:

Natural Change [Births minus Deaths or B-D];
Net Domestic Migration [NDM - movement between states]; and
Net International Migration [NIM - movement into and out of the country].
There is also a residual "other" amount that isn't placed in one of those three categories.

The first chart below shows the three population change factors for three periods adjusted for annual average amounts. Natural change (B-D) was the primary source of added population in all periods and the sole source in the first period.

The second chart shows the same data but with an adjustment to reflect births to immigrants shifted to NIM. In it, B-D remained the primary source of added population in all periods.

	Lewiston MSA: Sources of Population Change 1990-2014 		Lewiston MSA: Sources of Population Change (Adjusted) 1990-2014

		B-D	NDM	 NIM						B-D	NDM	  NIM	
	90-'99	 all	 neg.	 neg.					90-'99	80.7%	 neg.	19.3%
	00-'09	74.0%	 7.0%	19.0%					00-'09	53.1%	 7.0%	39.9%
	10-'14	72.6%	 neg.	27.4%					10-'14	55.7%	 neg.	44.3%

1/ Androscoggin County.

Links:

MSA Factsheets by state, and alphabetically.

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