State Population Trends
...has occurred in parishes in south Louisiana along the I-10 and I-12 corridors...Humanities and Social Sciences at Louisiana State University. "It is important
https://www.census.gov/about/partners/sdc/projects/st-pop-trends.html
Census 2000 pl 94 171 techdoc
Columbia, or Puerto Rico. 2Parish in Louisiana, Borough or Census Area in Alaska...Summary File Record Codes—Con. LA Louisiana MA Massachusetts MD Maryland ME Maine
https://www.census.gov/content/dam/Census/programs-surveys/rdo/TechnicalDocumentation/Census2000_pl94-171_techdoc.pdf