countyCdLookup: US county code look up

In dataRetrieval: Retrieval Functions for USGS and EPA Hydrology and Water Quality Data

US county code look up

Description

Function to simplify finding county and county code definitions. Used in readNWISdata and readNWISuse. Currently only has US counties.

Usage

countyCdLookup(state, county, outputType = "fips")

Arguments

state	could be character (full name, abbreviation, id), or numeric (id)
county	could be character (name, with or without "County") or numeric (id)
outputType	character can be "fullName", "tableIndex", "id", or "fullEntry".

Examples

fips <- countyCdLookup(state = "WI", county = "Dane")
id <- countyCdLookup(state = "WI", county = "Dane", outputType = "id")
name <- countyCdLookup(state = "OH", county = 13, output = "fullName")
entry <- countyCdLookup(state = "Pennsylvania", county = "ALLEGHENY COUNTY", output = "fullEntry")
fromIDs <- countyCdLookup(state = 13, county = 5, output = "fullName")

dataRetrieval documentation built on April 4, 2025, 5:21 a.m.