St. John the Baptist Parish, LA ZIP Codes
6 ZIP codes cover all or part of St. John the Baptist Parish, Louisiana: 70068, 70090, 70084, 70051, 70049 and 70076. The Census Bureau counts 40,743 residents in the county, with a median household income of $66,630 and a median home value of $193,200. Median household income ranges from $61,654 in 70090 to $87,888 in 70051. Its largest communities include Laplace, Reserve, Garyville, Montz and Edgard.
St. John the Baptist Parish (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 40,743 |
| Households | 15,152 |
| Median household income | $66,630 |
| Median home value | $193,200 |
| Median age | 40.1 |
| Median rent | $1,334 |
All 6 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 48,256 |
| Households (sum of ZIP codes) | 18,215 |
| Median household income, range across ZIP codes | $61,654 (70090) to $87,888 (70051) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $67,386 |
| Homeowners | 78.6% |
| Households with kids under 18 | 30.4% |
| Moved in the past year | 6.6% |
| Carrier routes in EDDM2GO's route library | 27 routes, 18,733 homes (4 of 6 ZIP codes) |
Top facts
- Highest median household income in St. John the Baptist County: 70051 ($87,888)
- Most residents: 70068 (32,720 people)
- Highest homeownership: 70049 (98.2% own their home)
- Most households with kids: 70068 (33.7% of households)
- Most new movers: 70049 (9.9% moved in last year)
- Youngest median age: 70068 (38.0 years)
- Highest median home value: 70090 ($208,800)
Every ZIP code in St. John the Baptist County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 70068 | La Place | 32,720 | 11,943 | $68,459 | $203,200 | 77.4% | 33.7% | 7.2% | 19 | 14,150 | 94% of its land |
| 70090 | Vacherie | 6,447 | 2,705 | $61,654 | $208,800 | 80.5% | 26.1% | 2.2% | 4 | 2,929 | 39% of its land |
| 70084 | Reserve | 5,629 | 2,245 | $62,047 | $155,400 | 74.5% | 23.8% | 7.3% | 3 | 2,627 | 100% of its land |
| 70051 | Garyville | 1,878 | 669 | $87,888 | $169,900 | 87.9% | 28.6% | 6.0% | — | — | 100% of its land |
| 70049 | Edgard | 1,482 | 616 | $68,953 | $182,900 | 98.2% | 13.5% | 9.9% | — | — | 100% of its land |
| 70076 | Mount Airy | 100 | 37 | — | — | 100.0% | 0.0% | 0.0% | 1 | 90 | 100% of its land |
A ZIP code is listed for St. John the Baptist Parish when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Laplace — 28,343 residents · 1 ZIP code
- Reserve — 7,791 residents · 2 ZIP codes
- Garyville — 2,119 residents · 3 ZIP codes
- Montz — 2,074 residents · 1 ZIP code
- Edgard — 1,482 residents · 1 ZIP code
- Wallace — 791 residents · 1 ZIP code
Rankings
- Richest ZIP codes in St. John the Baptist County — 5 ZIP codes ranked
- ZIP codes with the highest home values in St. John the Baptist County — 5 ZIP codes ranked
- ZIP codes with the highest homeownership in St. John the Baptist County — 5 ZIP codes ranked
- ZIP codes with the most families with kids in St. John the Baptist County — 5 ZIP codes ranked
- ZIP codes with the most new movers in St. John the Baptist County — 5 ZIP codes ranked
- Youngest ZIP codes in St. John the Baptist County — 5 ZIP codes ranked
- Oldest ZIP codes in St. John the Baptist County — 5 ZIP codes ranked
- Fastest-growing ZIP codes in St. John the Baptist County — 5 ZIP codes ranked
Price a mailing to St. John the Baptist County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in St. John the Baptist Parish, LA?
- 70068, 70090, 70084, 70051, 70049 and 70076. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of St. John the Baptist Parish?
- 40,743 residents in 15,152 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in St. John the Baptist Parish?
- $66,630 for the county as a whole. Its ZIP codes range from $61,654 (70090) to $87,888 (70051).
- Which St. John the Baptist County ZIP code has the highest median household income?
- 70051, at $87,888, among ZIP codes with at least 1,000 residents. See the full ranking of St. John the Baptist County ZIP codes by income.
- How many carrier routes and mailboxes are in St. John the Baptist Parish?
- For the 4 of 6 ZIP codes in EDDM2GO's stored route library: 27 carrier routes reaching 18,733 residential and 1,061 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.