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Where am ILOCATED

Slidell-Mandeville-Covington, LA Metro Area

The Slidell-Mandeville-Covington, LA metro area is one parish in Louisiana: St. Tammany Parish. About 279,108 people lived there on July 1, 2025 (Census estimate), 5.5% more than in April 2020.

St. Tammany Parish, centralSlidellMandevilleCovington
St. Tammany Parish in Louisiana
Population, July 2025
279,108 5.5% more than in April 2020
Type
Metropolitan statistical area
Parish
St. Tammany Parish
Land area
845 sq mi (2,189 km²)
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
State
Louisiana
Combined statistical area
New Orleans-Metairie-Slidell, LA-MS
CBSA code
43640
Open this area in the metro area finder

The parish in the Slidell-Mandeville-Covington, LA metro area

ParishRolePopulation, July 2025
St. Tammany ParishCentral279,108

A central parish holds the area’s core, an urban area of at least 50,000 people. This area has no outlying parishes: no neighboring parish sends enough commuters to join it. A parish belongs to one metro or micro area at most, and it counts whole, countryside included.

Principal cities, largest first

  1. Slidell28,561 people
  2. Mandeville12,946 people
  3. Covington11,658 people

OMB names the area after its largest principal cities. A principal city is the area’s largest city, plus any other city that is very large or a big job center, and smaller ones with at least as many jobs as working residents (2020 Census and commuting figures). People counts are American Community Survey 2020–2024 5-year estimates.

Part of the New Orleans-Metairie-Slidell, LA-MS combined statistical area

OMB joins neighboring metro and micro areas into a combined statistical area when enough people commute between them. The other 3 areas in this one, largest first:

  1. New Orleans-Metairie, LA Metro Area970,849 people
  2. Picayune, MS Micro Area59,363 people
  3. Bogalusa, LA Micro Area44,937 people

Bordering metro and micro areas, nearest first

Areas with a parish on this area’s edge. Distances are straight lines between the areas’ largest cities.

  1. Picayune, MS Micro Area18 mi north
  2. New Orleans-Metairie, LA Metro Area19 mi southwest
  3. Bogalusa, LA Micro Area34 mi north
  4. Hammond, LA Metro Area43 mi west
  5. Gulfport-Biloxi, MS Metro Area44 mi east

Before using this answer on a form

A metro or micro area is a statistical area that OMB draws for federal statistics. It is not a city, a local government or a mailing address, and it is not a measure of urban and rural: whole counties count, rural parts included. Programs that use metro areas, such as housing income limits or wage rates, can use their own version of these lists; check the program’s own list for an address.

Find the metro area where you are now, find your county, or see every metro and micro area by population.

See this area on Census.gov ↗