Slidell-Mandeville-Covington, LA metro area ZIP codes

The Slidell-Mandeville-Covington, LA metropolitan statistical area (CBSA 43640) covers 1 county in Louisiana and 20 ZIP codes.

ZIP codes: 20
Population: 272,334
Avg. median income: $83,100population-weighted
Counties: 1

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Counties in the Slidell-Mandeville-Covington, LA area

St. Tammany Parish, LA

ZIP codes in the Slidell-Mandeville-Covington, LA area

ZIP codes in the Slidell-Mandeville-Covington, LA area
ZIP code	City	County	Population	Median income	Typical home value
70420	Abita Springs	St. Tammany Parish	7,950	$78,171	$278,000
70431	Bush	St. Tammany Parish	5,769	$69,813	$282,800
70433	Covington	St. Tammany Parish	41,876	$81,241	$343,700
70434 PO Box	Covington	St. Tammany Parish	—	—	—
70435	Covington	St. Tammany Parish	22,475	$80,926	$305,000
70437	Folsom	St. Tammany Parish	8,030	$61,280	$298,000
70445	Lacombe	St. Tammany Parish	9,288	$78,394	$218,600
70447	Madisonville	St. Tammany Parish	17,897	$122,574	$377,800
70448	Mandeville	St. Tammany Parish	26,338	$95,682	$341,800
70452	Pearl River	St. Tammany Parish	12,650	$62,917	$233,100
70457	Saint Benedict	St. Tammany Parish	143	—	—
70458	Slidell	St. Tammany Parish	39,034	$72,843	$221,200
70459 PO Box	Slidell	St. Tammany Parish	—	—	—
70460	Slidell	St. Tammany Parish	21,669	$62,565	$190,900
70461	Slidell	St. Tammany Parish	34,808	$89,003	$270,300
70463	Sun	St. Tammany Parish	99	$25,625	$134,400
70464	Talisheek	St. Tammany Parish	109	—	—
70469 PO Box	Slidell	St. Tammany Parish	—	—	—
70470 PO Box	Mandeville	St. Tammany Parish	—	—	—
70471	Mandeville	St. Tammany Parish	24,199	$96,501	$407,300

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Frequently asked questions

How many ZIP codes are in the Slidell-Mandeville-Covington, LA metro area?

20 ZIP codes, based on each ZIP code's main county.

Which counties make up the Slidell-Mandeville-Covington, LA area?

St. Tammany Parish.

What is an MSA?

A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).