Question Regarding Data Scraping

I am working on a data project with a team from my university, and we are attempting to scrape some data off of the website city-data.com. We would like to code a program to go on this website, search for a specific Zip code, record specific information off of that Zip code's data page, then continue with the next Zip code, repeat until finished. No one in my class has extensive enough knowledge to do this; however, some of us have experience in R. I am wondering how long it would take to learn how to do this type of data scraping with some familiarity with R? Our alternative is doing it manually.

Thanks.