ZIP Code 62458
About Saint Elmo
St. Elmo or Saint Elmo is a city in Fayette County, Illinois, United States. The population was 1,254 at the 2020 census. St. Elmo was established in 1871.
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Area Profile
US Census (ACS 5-year · Gazetteer)
2,189
population
$49,118
median household income
37
people / sq mi
$97,600
median home value
$723
median gross rent
43.2
median age
954
housing units
826
households
59.7
land area (sq mi)