| ZIP Codes: | 13 ZIP Codes (9 Standard, 3 PO Box, 1 Unique) [See All] |
| Area Codes: | 601 / 769 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:54:08 PM |
| Population: | 73,184 [See All] |
| FIPS: | 28075 |
| CBSA: | Meridian, MS |
| Land Area: | 853 sq mi |
| Water Area: | 12 sq mi |
| Coordinates: | 32.4528, -88.6649 |
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73,184 residents live across 13 ZIPs covering 853 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 83,456 to 73,184 from 2014 to 2024 — a -12.3% change. 3 ZIPs gained residents, 7 lost.
The county's wealthiest ZIP 39325 (Collinsville, $88,112 median) and poorest ZIP 39307 (Meridian, $30,413) are 18.6 miles apart — a 2.9× income gap across local geography.
Median home values vary 2.1× across this county — from $91,300 in 39307 (Meridian) to $187,300 in 39342 (Marion).
Density varies 24× across the county — from 25 people/sq mi in 39335 (Lauderdale) to 586 in 39342 (Marion).
Educational attainment ranges from 12.1% bachelor's+ in 39307 (Meridian) to 37.3% in 39320 (Bailey) — the breadth of educational profiles across the area.
Within Mississippi, this is the #9 most populous of 82 counties and ranks #13 for median household income .
Hosts 1 single-entity Unique ZIP: 39309Naval Air Sta Meridian .
Weighted by population, the typical household earns about $54,307 across the county — reflecting what a typical resident sees, not a simple ZIP average.
23.4% of adults age 25+ hold a bachelor's degree or higher (11,718 of 50,120 reporting).
9 Standard delivery, 3 PO Box only, 1 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
Lauderdale County lost 12.3% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 39305 | Meridian | Standard | 21,638 | $67,712 | 107.9 | 5.4% |
| 39301 | Meridian | Standard | 20,807 | $41,766 | 264.1 | -19.9% |
| 39307 | Meridian | Standard | 15,047 | $30,413 | 88.1 | -21.5% |
| 39325 | Collinsville | Standard | 5,997 | $88,112 | 112.6 | 4.9% |
| 39364 | Toomsuba | Standard | 2,767 | $65,294 | 83.1 | -23.0% |
| 39335 | Lauderdale | Standard | 2,564 | $85,804 | 103.3 | -21.1% |
| 39320 | Bailey | Standard | 1,930 | $70,852 | 42.4 | -12.0% |
| 39342 | Marion | Standard | 1,839 | $45,298 | 3.1 | 35.0% |
| 39309 | Meridian | Unique | 335 | — | 10.5 | -37.3% |
| 39326 | Daleville | Standard | 260 | $58,789 | 38.2 | -77.3% |
| 39303 | Meridian | PO Box | — | — | 0.0 | — |
| 39304 | Meridian | PO Box | — | — | 0.0 | — |
| 39302 | Meridian | PO Box | — | — | 0.0 | — |