| ZIP Codes: | 47 ZIP Codes (24 Standard, 17 PO Box, 6 Unique) [See All] |
| Area Code: | 225 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:24 PM |
| Population: | 451,022 [See All] |
| FIPS: | 22033 |
| CBSA: | Baton Rouge, LA |
| Land Area: | 462 sq mi |
| Water Area: | 15 sq mi |
| Coordinates: | 30.4637, -91.1138 |
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451,022 residents live across 47 ZIPs covering 462 sq mi, served by 5 distinct USPS-recognized cities.
Population moved from 441,936 to 449,354 from 2014 to 2024 — a +1.7% change. 14 ZIPs gained residents, 9 lost.
The parish's wealthiest ZIP 70739 (Greenwell Springs, $106,671 median) and poorest ZIP 70805 (Baton Rouge, $25,397) are 12.2 miles apart — a 4.2× income gap across local geography.
Median home values vary 4.1× across this parish — from $99,800 in 70802 (Baton Rouge) to $409,900 in 70808 (Baton Rouge).
Density varies 1666× across the parish — from 178 people/sq mi in 70770 (Pride) to 296,833 in 70803 (Baton Rouge).
Educational attainment ranges from 10.8% bachelor's+ in 70805 (Baton Rouge) to 67.6% in 70808 (Baton Rouge) — the breadth of educational profiles across the area.
Within Louisiana, this is the #1 most populous of 64 parishes and ranks #17 for median household income .
Hosts 4 single-entity Unique ZIPs: 70803Baton Rouge ; 70813Southern University ; 70823La Dept Of Revenue ; and 70822La Dept Of Revenue .
Weighted by population, the typical household earns about $65,912 across the parish — reflecting what a typical resident sees, not a simple ZIP average.
38.6% of adults age 25+ hold a bachelor's degree or higher (108,886 of 282,371 reporting). The most-educated ZIPs cluster around Baton Rouge.
24 Standard delivery, 17 PO Box only, 6 single-entity Unique ZIPs serve this parish.
2 ZIPs in this parish where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
6 ZIP codes in this parish serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
Median household income spans 4.2× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 70816 | Baton Rouge | Standard | 45,718 | $67,353 | 16.3 | 5.0% |
| 70810 | Baton Rouge | Standard | 42,659 | $92,098 | 27.4 | 14.3% |
| 70808 | Baton Rouge | Standard | 35,843 | $69,418 | 12.6 | 10.5% |
| 70817 | Baton Rouge | Standard | 33,482 | $102,639 | 26.0 | 3.2% |
| 70815 | Baton Rouge | Standard | 31,024 | $59,254 | 9.7 | 2.9% |
| 70791 | Zachary | Standard | 30,385 | $78,263 | 122.1 | 19.3% |
| 70806 | Baton Rouge | Standard | 28,302 | $55,642 | 8.6 | 0.1% |
| 70809 | Baton Rouge | Standard | 25,732 | $79,967 | 14.5 | 7.7% |
| 70802 | Baton Rouge | Standard | 25,118 | $34,458 | 8.2 | -9.6% |
| 70820 | Baton Rouge | Standard | 23,377 | $47,429 | 25.3 | 19.3% |
| 70805 | Baton Rouge | Standard | 23,288 | $25,397 | 12.8 | -20.2% |
| 70714 | Baker | Standard | 17,433 | $57,608 | 35.4 | -11.5% |
| 70807 | Baton Rouge | Standard | 15,300 | $27,534 | 28.8 | -21.0% |
| 70739 | Greenwell Springs | Standard | 14,877 | $106,671 | 49.0 | 1.2% |
| 70811 | Baton Rouge | Standard | 12,154 | $45,523 | 11.2 | -6.5% |
| 70814 | Baton Rouge | Standard | 11,921 | $51,529 | 9.4 | -25.2% |
| 70812 | Baton Rouge | Standard | 11,007 | $37,006 | 4.0 | -1.7% |
| 70818 | Baton Rouge | Standard | 9,370 | $78,432 | 14.9 | -0.2% |
| 70819 | Baton Rouge | Standard | 4,322 | $73,561 | 3.7 | -8.0% |
| 70770 | Pride | Standard | 3,787 | $92,311 | 21.2 | 33.3% |
| 70803 | Baton Rouge | Unique | 3,562 | — | 0.0 | 252.7% |
| 70813 | Baton Rouge | Unique | 1,668 | — | 0.0 | — |
| 70836 | Baton Rouge | Standard | 501 | $46,976 | 0.5 | — |
| 70801 | Baton Rouge | Standard | 192 | $115,708 | 0.1 | 1376.9% |
| 70825 | Baton Rouge | Standard | 0 | — | 0.0 | — |
| 70896 | Baton Rouge | PO Box | — | — | 0.0 | — |
| 70823 | Baton Rouge | Unique | — | — | 0.0 | — |
| 70873 | Baton Rouge | PO Box | — | — | 0.0 | — |
| 70821 | Baton Rouge | PO Box | — | — | 0.0 | — |
| 70892 | Baton Rouge | PO Box | — | — | 0.0 | — |
| 70895 | Baton Rouge | PO Box | — | — | 0.0 | — |
| 70831 | Baton Rouge | PO Box | — | — | 0.0 | — |
| 70804 | Baton Rouge | PO Box | — | — | 0.0 | — |
| 70893 | Baton Rouge | PO Box | — | — | 0.0 | — |
| 70894 | Baton Rouge | PO Box | — | — | 0.0 | — |
| 70822 | Baton Rouge | Unique | — | — | 0.0 | — |
| 70898 | Baton Rouge | PO Box | — | — | 0.0 | — |
| 70827 | Baton Rouge | Standard | — | — | 0.0 | — |
| 70835 | Baton Rouge | PO Box | — | — | 0.0 | — |
| 70879 | Baton Rouge | PO Box | — | — | 0.0 | — |
| 70833 | Baton Rouge | Unique | — | — | 0.0 | — |
| 70891 | Baton Rouge | Unique | — | — | 0.0 | — |
| 70826 | Baton Rouge | PO Box | — | — | 0.0 | — |
| 70884 | Baton Rouge | PO Box | — | — | 0.0 | — |
| 70837 | Baton Rouge | PO Box | — | — | 0.0 | — |
| 70704 | Baker | PO Box | — | — | 0.0 | — |
| 70874 | Baton Rouge | PO Box | — | — | 0.0 | — |