Zip Code 70737
Gonzales, Louisiana — Ascension Parish
📍 ZIP code 70737 is in Gonzales, Ascension Parish, Louisiana.
ZIP code 70737 is located in Gonzales, Ascension Parish, Louisiana. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 47,971. The area code for ZIP code 70737 is 337.
Quick Answer
Zip code 70737 is in Gonzales, Louisiana (Ascension Parish). It has a population of 47,971, median household income of $80,758, and median home value of $252,600.
Population
47,971
Income
$80,758
Home Value
$252,600
Climate
91°F / 42°F
About Zip Code 70737
Zip code 70737 is located in Gonzales, Louisiana, within Ascension Parish. Home to approximately 47,971 residents, this area sits at an elevation of 10 ft and falls within the Central (CST/CDT) timezone. The local area code is 337.
The median household income is $80,758 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $252,600, and the cost of living index is 94 (6% below the national average of 100).
Summers average a high of 91°F while winters drop to 42°F. The area receives about 63 in of rain annually. The zip code covers 53.9 square miles of land area and 0.3 square miles of water.
Key Statistics
47,971
$80,758
$252,600
Central (CST/CDT)
337
10 ft
53.9 sq mi
39.1
20,720
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Compare With Nearby Zip Codes
| Metric | 70737 | 70734 | 70778 | 70769 | 70725 | 70346 |
|---|---|---|---|---|---|---|
| City | Gonzales, LA | Geismar, LA | Saint Amant, LA | Prairieville, LA | Darrow, LA | Donaldsonville, LA |
| Population | 47,971 | 9,880 | 2,879 | 48,074 | 995 | 9,831 |
| Median Income | $80,758 | $124,059 | $108,419 | $114,707 | $0 | $37,490 |
| Home Value | $252,600 | $306,200 | $247,700 | $295,200 | $0 | $186,800 |
| Cost of Living | 94 | 128 | 108 | 122 | 100 | 60 |
| Median Age | 39.1 | 33.3 | 39.4 | 34 | 60.8 | 35.6 |
Cost of Living
100 = National Average. Gonzales's cost of living is 6% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
3.1x
Demographics
Zip code 70737 has a population of 47,971 people with a median age of 39.1. There are 20,720 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Gonzales (70737) population trend from 2010 to 2024
↓ -33.9%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
91°F
42°F
63 in
0 in
Gonzales experiences hot summers with average highs around 91°F. Winters are mild with lows averaging 42°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$252,600
Median Household Income
$80,758
With 20,720 housing units across 53.9 square miles, 70737 has a housing density of 384 units per square mile. The home price-to-income ratio is 3.1x.
Location & Geography
Latitude
30.2224°
Longitude
-90.9222°
Land Area
53.9 sq mi
Water Area
0.3 sq mi
Nearby Zip Codes
Zip codes closest to 70737 (Gonzales, LA) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 70737's $80,758. A way to compare Gonzales to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 70737 (Gonzales, LA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Gonzales, Louisiana?
Gonzales, Louisiana uses zip code 70737.
What county is zip code 70737 in?
Zip code 70737 is located in Ascension Parish, Louisiana.
What is the population of zip code 70737?
The population of zip code 70737 is 47,971 with a median age of 39.1.
Is 70737 in Gonzales, Louisiana?
Yes, zip code 70737 is in Gonzales, Ascension Parish, Louisiana. The area code is 337.
Frequently Asked Questions
What city is zip code 70737 in?
Zip code 70737 is in Gonzales, Louisiana. It is part of Ascension Parish and uses the Central (CST/CDT) timezone.
What is zip code 70737?
Zip code 70737 is a U.S. postal code in Gonzales, Louisiana (Ascension Parish). It has a population of 47,971 and covers 53.9 square miles.
What is the population of zip code 70737?
The population of zip code 70737 (Gonzales, LA) is 47,971 with a median age of 39.1. There are approximately 20,720 housing units in this area.
What is the median income in zip code 70737?
The median household income in zip code 70737 (Gonzales, LA) is $80,758 per year. The cost of living index is 94 (100 = national average).
What is the average home price in zip code 70737?
The median home value in zip code 70737 (Gonzales, LA) is $252,600. The cost of living index is 94 compared to the national average of 100.
What county is zip code 70737 in?
Zip code 70737 is located in Ascension Parish, Louisiana. The primary city is Gonzales.
What is the area code for zip code 70737?
Zip code 70737 in Gonzales, LA uses area code 337. It is located in the Central (CST/CDT) timezone.
Is zip code 70737 a good place to live?
Zip code 70737 (Gonzales, LA) has a cost of living index of 94 (100 = national average), a median household income of $80,758, and median home values of $252,600. The median age is 39.1. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 70737?
The cost of living index for zip code 70737 (Gonzales, LA) is 94, where 100 represents the national average. This area is below the national average. Median home value: $252,600.
What schools serve zip code 70737?
Zip code 70737 in Gonzales, Louisiana is served by the local school district of Ascension Parish. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.