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. Author manuscript; available in PMC: 2015 Mar 25.
Published in final edited form as: Int Migr Rev. 2014 Mar 25;48(1):3–33. doi: 10.1111/imre.12058

Table 1.

Gateway Classification after Singer (2004)

Gateway Type Metro Area Total Pop 2000 % Foreign-born
Continuous Boston, MA-NH 3,951,557 14.64%
Chicago, IL 8,804,453 16.53%
New York-Northeastern NJ 18,372,239 26.33%
San Francisco-Oakland-Vallejo, CA 4,645,830 26.33%

Post WWII Fort Lauderdale-Hollywood-Pompano Beach, F 1,624,272 25.22%
Houston-Brazoria, TX 4,413,414 19.66%
Los Angeles-Long Beach, CA 12,368,516 34.86%
Miami-Hialeah, FL 2,327,072 49.67%
Riverside-San Bernardino, CA 3,253,263 18.73%
San Diego, CA 2,807,873 21.53%

Emerging Atlanta, GA 3,987,990 10.45%
Dallas-Fort Worth, TX 5,043,876 15.45%
Las Vegas, NV 1,375,174 18.01%
Orlando, FL 1,652,742 11.85%
Washington, DC/MD/VA 4,733,359 17.41%
West Palm Beach-Boca Raton-Delray Beach, F 1,133,519 17.35%

Pre-emerging Austin, TX 1,167,216 12.76%
Charlotte-Gastonia-Rock Hill, NC-SC 1,499,677 6.75%
Greensboro-Winston Salem-High Point, NC 1,252,554 5.52%
Raleigh-Durham, NC 1,182,869 9.21%
Salt Lake City-Ogden, UT 1,331,833 8.53%

Re-emerging Denver-Boulder, CO 2,412,400 10.84%
Minneapolis-St. Paul, MN 2,856,295 7.22%
Phoenix, AZ 3,070,331 14.47%
Portland, OR-WA 1,789,019 11.25%
Sacramento, CA 1,632,863 13.94%
San Jose, CA 1,688,089 34.09%
Seattle-Everett, WA 2,332,682 13.99%
Tampa-St. Petersburg-Clearwater, FL 2,386,781 9.83%

Former Baltimore, MD 2,513,661 5.82%
Buffalo-Niagara Falls, NY 1,175,089 4.36%
Cleveland, OH 2,255,480 5.04%
Detroit, MI 4,430,477 7.49%
Milwaukee, WI 1,499,015 5.21%
Philadelphia, PA/NJ 5,082,137 6.99%
Pittsburgh, PA 2,500,497 2.50%
St. Louis, MO-IL 2,602,448 3.14%

Other >1m Cincinnati-Hamilton, OH/KY/IN 1,473,012 2.75%
Columbus, OH 1,443,293 4.99%
Indianapolis, IN 1,603,021 3.22%
Jacksonville, FL 1,101,766 5.42%
Kansas City, MO-KS 1,682,053 4.88%
Nashville, TN 1,234,004 4.70%
New Orleans, LA 1,381,841 4.72%
Norfolk-VA Beach--Newport News, VA 1,553,838 4.45%
Oklahoma City, OK 1,157,773 5.38%
Providence-Fall River-Pawtucket, MA/RI 1,025,944 12.89%
Rochester, NY 1,030,303 5.89%
San Antonio, TX 1,551,396 10.61%

Continuous, Post-World War II, Emerging, and Re-Emerging gateways have foreign-born populations greater than 200,000 and either foreign-born shares higher than the 2000 national average (11.1 percent) or foreign-born growth rates higher than the national average (57.4 percent), or both. Former gateways are determined through historical trends (see below). Pre-Emerging gateways have smaller foreign-born populations but very high growth rates in the 1990s. The gateway definitions and selection are also based on the historical presence (in percentage terms) of the foreign-born in their central cities:

Former: Above national average in percentage foreign-born 1900–1930, followed by percentages below the national average in every decade through 2000

Continuous: Above-average percentage foreign-born for every decade, 1900–2000

Post-World War II: Low percentage foreign-born until after 1950, followed by percentages higher than the national average for remainder of century

Emerging: Very low percentage foreign-born until 1970, followed by a high proportions in the post-1980 period

Re-Emerging: Similar pattern to continuous gateways: Foreign-born percentage exceeds national average 1900–1930, lags it after 1930, then increases rapidly after 1980

Pre-Emerging: Very low percentages of foreign-born for the entire 20th century