Residential delivery area · Louisiana
ZIP Code 70737: Gonzales, LA
ZIP code 70737 uses the postal name Gonzales, Louisiana and lies entirely in Ascension Parish (Census 2020 ZIP-county file). About 49,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $82,521 (Census Bureau, ACS 2020-2024). By Census place, 17% of its land lies in Gonzales, and 1% in smaller places; 82% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Gonzales · its only residential ZIP
- County
- Ascension Parish
- Census places
- Gonzales
- Metro area
- Baton Rouge, LA
- House districts
- LA-2 (68%), LA-1 (30%), LA-5 (2%) 119th Congress, by share of land
- State
- Louisiana
- Time zone
- Central
- Land area
- 54.0 sq mi · 909 people per sq mi
- PO Box ZIPs
- 70707 also use the name Gonzales
Where is ZIP code 70737?
70737 centers on 30.226°, -90.925° and covers 54.0 square miles of land plus 0.3 of water. It borders 5 ZIP codes: 70734, 70769, 70725, 70778, 70774.
The map draws ZIP code areas only. For the streets inside 70737, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 70737 compare with the rest of Ascension Parish?
| Measure | 70737 | In Ascension Parish | In LA |
|---|---|---|---|
| People (ACS 2020-2024) | 49,084 | 2nd of 7 | 5th of 539 |
| Median household income | $83k | 4th of 4 | 35th of 251 |
| Median home value | $262k | 3rd of 6 | 51st of 285 |
Its median household income is higher than in 65% of U.S. residential ZIP codes, and it is denser than 78% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 70737?
The 2020 Census counted 47,332 people in 70737; the ACS, which samples households over 2020-2024, estimates 49,084. Between the 2010 and 2020 censuses its population grew 22.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 49,084
- 2020 Census count
- 47,332+22.5% since 2010 (38,643)
- Households
- 19,340
- Median age
- 37.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 70737?
Of the 49,084 people the ACS estimates in 70737, 23.6% are under 18 and 15.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (58.2%), then Black (not Hispanic) (26.7%).
- Under 1823.6%
- 18 to 6461.2%
- 65 and older15.2%
- White, not Hispanic58.2%
- Black, not Hispanic26.7%
- Hispanic or Latino10.1%
- Other or two or more4.5%
- Asian, not Hispanic0.6%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 70737 earn?
Median household income is $82,521 (ACS 2020-2024), the 4th highest of the 4 ranked ZIP codes in Ascension Parish. It fell from $91,282 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $82,521
- Income per person
- $40,097
- Below the poverty line
- 11.2%
- Unemployed (of the labor force)
- 5.5%
- Adults 25+ with a bachelor's degree
- 24.8%
- Adjusted gross income per tax return, 2022
- $78,33321,380 returns; wages 76% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 70737?
FHFA's house price index for 70737, built from repeat sales and appraisals of the same homes, rose 47% from 2015 to 2025 and rose 33% from 2020 to 2025, and moved +3.8% in 2025.
- Median home value (owners' estimate)
- $261,600
- Median gross rent
- $1,546
- Homes owned by their occupants
- 78.0%
- Housing units
- 20,950
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 70737?
1,171 business establishments had a location in this ZIP code in 2023, 98 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade221
- Accommodation and food services138
- Construction124
- Other services (except public administration)109
- Health care and social assistance103
- Professional, scientific, and technical services90
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 70737?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 70734 | Geismar | 9,213 | $129k | 4.5 mi |
| 70769 | Prairieville | 49,278 | $109k | 5.7 mi |
| 70725 | Darrow | 943 | – | 7.1 mi |
| 70778 | Sorrento | 2,742 | $102k | 7.7 mi |
| 70774 | Saint Amant | 10,041 | $102k | 9.8 mi |
| 70733 | French Settlement | 1,715 | $75k | 8.7 mi (near) |
| 70721 | Carville | 447 | <$2,500 | 9.2 mi (near) |
| 70346 | Donaldsonville | 9,927 | $35k | 10.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Gonzales?
1 more ZIP code carries the postal name Gonzales, LA without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 70707 | Ascension Parish |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.