[1] : U.S. Gazetteer (1990)

egan, il
  zip codes: 61047
egan, la
  zip codes: 70531
egan, sd city, fips 18460
  location: 43.99968 n, 96.65049 w
  population 1990: 208 98 housing units
  area: 0.9 sq km land, 0.0 sq km water
  zip codes: 57024

[2] : U.S. Gazetteer Places (2000)

egan, sd -- u.s. city in south dakota
   population 2000:    265
   housing units 2000: 119
   land area 2000:     0.696472 sq. miles 1.803853 sq. km
   water area 2000:    0.000000 sq. miles 0.000000 sq. km
   total area 2000:    0.696472 sq. miles 1.803853 sq. km
   fips code:            18460
   located within:       south dakota sd, fips 46
   location:             43.998971 n, 96.649434 w
   zip codes 1990:     57024
   note: some zip codes may be omitted esp. for suburbs.
   headwords:
    egan, sd
    egan

Egan >> E Words
Egan, definition of term: Egan
egan_pag1.html