Ascension Parish, LA ZIP Codes
7 ZIP codes cover all or part of Ascension Parish, Louisiana: 70769, 70737, 70774, 70346, 70734, 70778 and 70725. The Census Bureau counts 130,314 residents in the county, with a median household income of $91,549 and a median home value of $279,600. Median household income ranges from $35,280 in 70346 to $128,975 in 70734. Its largest communities include Prairieville, Gonzales, Donaldsonville, Sorrento and Belle Rose.
Ascension Parish (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 130,314 |
| Households | 47,656 |
| Median household income | $91,549 |
| Median home value | $279,600 |
| Median age | 36.6 |
| Median rent | $1,318 |
All 7 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 131,228 |
| Households (sum of ZIP codes) | 48,012 |
| Median household income, range across ZIP codes | $35,280 (70346) to $128,975 (70734) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $93,233 |
| Homeowners | 81.1% |
| Households with kids under 18 | 38.9% |
| Moved in the past year | 10.3% |
| Carrier routes in EDDM2GO's route library | 21 routes, 12,673 homes (4 of 7 ZIP codes) |
Top facts
- Highest median household income in Ascension County: 70734 ($128,975)
- Most residents: 70769 (49,278 people)
- Highest homeownership: 70778 (91.4% own their home)
- Most households with kids: 70734 (46.9% of households)
- Most new movers: 70346 (12.9% moved in last year)
- Youngest median age: 70734 (33.5 years)
- Highest median home value: 70734 ($344,100)
Every ZIP code in Ascension County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 70769 | Prairieville | 49,278 | 17,218 | $109,404 | $311,500 | 87.7% | 46.6% | 9.5% | — | — | 100% of its land |
| 70737 | Gonzales | 49,084 | 19,340 | $82,521 | $261,600 | 78.0% | 32.2% | 11.3% | — | — | 100% of its land |
| 70774 | Saint Amant | 10,041 | 3,441 | $102,422 | $256,300 | 89.6% | 37.0% | 5.8% | 7 | 4,363 | 81% of its land |
| 70346 | Donaldsonville | 9,927 | 3,680 | $35,280 | $176,900 | 55.4% | 38.7% | 12.9% | 7 | 4,342 | 79% of its land |
| 70734 | Geismar | 9,213 | 2,857 | $128,975 | $344,100 | 81.4% | 46.9% | 12.2% | 5 | 3,452 | 100% of its land |
| 70778 | Sorrento | 2,742 | 949 | $101,967 | $253,000 | 91.4% | 38.0% | 8.5% | 2 | 1,140 | 100% of its land |
| 70725 | Darrow | 943 | 527 | — | $62,200 | 84.4% | 4.0% | 5.6% | — | — | 100% of its land |
A ZIP code is listed for Ascension 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
- Prairieville — 35,238 residents · 1 ZIP code
- Gonzales — 13,108 residents · 1 ZIP code
- Donaldsonville — 6,831 residents · 1 ZIP code
- Sorrento — 2,203 residents · 2 ZIP codes
- Belle Rose — 1,400 residents · 2 ZIP codes
- Lemannville — 841 residents · 2 ZIP codes
- Darrow — 183 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Ascension County — 6 ZIP codes ranked
- ZIP codes with the highest home values in Ascension County — 6 ZIP codes ranked
- ZIP codes with the highest homeownership in Ascension County — 6 ZIP codes ranked
- ZIP codes with the most families with kids in Ascension County — 6 ZIP codes ranked
- ZIP codes with the most new movers in Ascension County — 6 ZIP codes ranked
- Youngest ZIP codes in Ascension County — 6 ZIP codes ranked
- Oldest ZIP codes in Ascension County — 6 ZIP codes ranked
- Fastest-growing ZIP codes in Ascension County — 6 ZIP codes ranked
Price a mailing to Ascension County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Ascension Parish, LA?
- 70769, 70737, 70774, 70346, 70734, 70778 and 70725. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Ascension Parish?
- 130,314 residents in 47,656 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Ascension Parish?
- $91,549 for the county as a whole. Its ZIP codes range from $35,280 (70346) to $128,975 (70734).
- Which Ascension County ZIP code has the highest median household income?
- 70734, at $128,975, among ZIP codes with at least 1,000 residents. See the full ranking of Ascension County ZIP codes by income.
- How many carrier routes and mailboxes are in Ascension Parish?
- For the 4 of 7 ZIP codes in EDDM2GO's stored route library: 21 carrier routes reaching 12,673 residential and 623 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.