Rockford, IL Metro Area Immigration

Population

The Rockford Metropolitan Statistical Area (MSA) population 1/ increased from 272,063 in 1970 to 349,431 in 2010. That was an increase of 28.4 percent.

The foreign-born (FB) population increased from 9,772 in 1970 to 27,215 in 2010. That was an increase of 178.5 percent. The foreign-born share changed from 3.6 percent to 7.8 percent.

The share of the overall population that was native-born (NB) increased by 22.8 percent.

	Rockford MSA: Population  1970-2010
	

Sources of Population Change

The primary sources of population change are:

The first chart below shows the three population change factors for three periods adjusted for annual average amounts. Natural change (B-D) was the main factor adding population in all periods.

The second chart shows the same data but with an adjustment to reflect births to immigrants shifted to NIM. In it, B-D continued to be the primary factor in adding population in the first two periods, replaced by NIM in the latest period.

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

		B-D	 NDM	 NIM						 B-D	 NDM	  NIM	
	90-'99	75.3%	 8.9%	15.9%					90-'99	 60.5%	 8.9%	30.6%
	00-'09	57.2%	21.0%	21.8%					00-'09	 41.4%	21.0%	37.6%
	10-'14	77.5%	 neg.	22.5%					10-'14	 41.7%	 neg.	58.3%	

1/ Boone and Winnebago counties.


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