The Counties file contains all counties in the U.S. as of the 1990 Census. The 
file is plain ASCII text, one line per record. The fields are laid out as 
follows: 

Columns 1-2: State FIPS Code 
Columns 6-8: County FIPS Code 
Columns 10-75: Name. Includes name of county . Counties don't have a type, but 
do have the word "County" as part of the name. 
Columns 77-78: State Abbreviation 
Columns 80-88: Total Population (1990) 
Columns 90-98: Number of Housing Units (1990) 
Columns 100-109: Land area included (in thousandths of a square kilometer) 
Columns 111-120: Water area included (in thousandths of a square kilometer) 
Columns 122-130: Latitude (millionths of a degree: 10^6 units=1 deg). First 
character is (+) or (-), denoting N or S latitude, respectively. 
Columns 132-141: Longitude (millionths of a degree). First character is (+) or 
(-), denoting E or W longitude, respectively.