Combining Zip Code Data

Hello,

Yes, you can combine ACS estimates on the foreign-born for two or more ZIP Code Tabulation Areas ( ZCTAs). Just note that ZCTA boundaries do not line up exactly with USPS ZIP codes, as described here:

https://www.census.gov/programs-surveys/geography/guidance/geo-areas/zctas.html  

Thank you, Mark! Appreciate the quick response!