The foreign-born (FB) population increased from 3,321 in 1970 to 5,660 in 2010. That was an increase of 70.4 percent. The foreign-born share changed from 1.9 percent to 2.7 percent.
The share of the overall population that was native-born (NB) increased by 22.0 percent.
Springfield MSA: Population 1970-2010
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 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 remained the chief factor in adding population in all periods.
Springfield MSA: Sources of Population Change 1990-2014 Springfield MSA: Sources of Population Change (Adjusted) 1990-2014
B-D NDM NIM B-D NDM NIM 90-'99 89.8% neg. 10.2% 90-'99 85.2% neg. 14.8% 00-'09 89.0% neg. 11.0% 00-'09 78.0% neg. 22.0% 10-'14 71.5% neg. 28.5% 10-'14 52.3% neg. 47.7%
1/ Menard and Sangamon counties.
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