The foreign-born (FB) population increased from 4,209 in 1970 to 12,518 in 2010. That was an increase of 197.4 percent. The foreign-born share changed from 5.5 percent to 12.3 percent.
The share of the overall population that was native-born (NB) increased by 22.5 percent.
Ithaca MSA: Population 1970-2010
The first chart below shows the three population change factors for three periods adjusted for annual average amounts. In it, natural change (B-D) was the primary factor in adding population in the first period, supplanted by NIM in the two most recent periods.
The second chart shows the same data but with an adjustment to reflect births to immigrants shifted to NIM. In it, NIM became the principal factor in adding population in all periods.
Ithaca MSA: Sources of Population Change 1990-2014 Ithaca MSA: Sources of Population Change (Adjusted) 1990-2014
B-D NDM NIM B-D NDM NIM 90-'99 61.3% neg. 38.7% 90-'99 37.3% neg. 62.7% 00-'09 36.1% neg. 63.9% 00-'09 14.9% neg. 85.1% 10-'14 21.3% neg. 78.7% 10-'14 7.1% neg. 92.9%
1/ Tompkins County.
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