Problem: How many counties are there?
http://www2.census.gov/geo/docs/reference/codes/files/national_county.txt
Go to row 3143 to see 3143 Counties for 50 States and DC
https://github.com/rogerfischer/us_counties/blob/master/national_county2010.csv#L3143
Go to row 3142 to see 3142 Counties for 50 States and DC. Dates of change in format YYYYMMDD.
https://github.com/rogerfischer/us_counties/blob/master/national_county2015.csv#L3142
Without Bedford (independent) city, Virginia (51-515) which was changed to town status and added to Bedford County (51-019) effective July 1, 2013.
## CSV and Excel with all changes
https://github.com/rogerfischer/us_counties/blob/master/national_county2010-2015.csv
Complete Excel:
https://github.com/rogerfischer/us_counties/blob/master/national_county2010-2015.xlsx
### Source: 2010 FIPS Codes for Counties and County Equivalent Entities https://www.census.gov/geo/reference/codes/cou.html http://www2.census.gov/geo/docs/reference/codes/files/national_county.txt
Changes https://www.census.gov/geo/reference/county-changes.html