70737 ZIP Code — Gonzales, LA
Ascension County, Louisiana
ZIP code 70737 is located in Gonzales, Louisiana, within Ascension County. It covers approximately 53.99 square miles and serves a population of 45,958 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 225.
About ZIP code 70737
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $240,000. Owner-occupancy is high at 81%, well above the national average.
Median household income is $78,946.
The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 28 minutes is near the national average.
Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of smoking (20%) compared to national benchmarks.
45,958
population
53.99
sq mi land
Standard
ZIP type
Central (CT)
timezone
70737 ZIP code map
Cities in ZIP code 70737
Below are the cities the US Postal Service accepts for ZIP code 70737. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Gonzales | Preferred |
Nearby ZIP codes
70734 Geismar (5.2 mi)
70769 Prairieville (5.2 mi)
70725 Darrow (5.2 mi)
70778 Sorrento (5.8 mi)
70346 Donaldsonville (8.5 mi)
70776 Saint Gabriel (10 mi)
70774 Saint Amant (10.3 mi)
70721 Carville (10.6 mi)
70733 French Settlement (10.7 mi)
70817 Baton Rouge (11 mi)
70723 Convent (12.8 mi)
70810 Baton Rouge (12.8 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 45,958 |
| Population density | 851 / sq mi |
| State FIPS | 22 |
| County FIPS | 005 |
| Geography | |
|---|---|
| Land area | 53.99 sq mi |
| Water area | 0.33 sq mi |
| Latitude | 30.2254 |
| Longitude | -90.9253 |
| Timezone | Central (CT) |
| Area code | 225 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 32.5% | 30.1% | 49.2% |
| $50k – $100k | 31.2% | 29.4% | 27.7% |
| $100k – $200k | 29.2% | 32.1% | 18.3% |
| Over $200k | 7.2% | 8.4% | 4.7% |
Demographics & statistics
45,958
Population
851
People per sq mi
37.5
Median age
$78,946
Median household income
$39,261
Per capita income
$240,000
Median home value
$1,404
Median monthly rent
80.5%
Home ownership
9.3%
Poverty rate
5.8%
Unemployment
16,144
Housing units
26.5%
Bachelor's or higher
Age distribution
Male
Female
1,257
Under 5
1,273
1,492
5–9
1,511
1,669
10–14
1,689
1,228
15–19
1,242
1,395
20–24
1,411
3,512
25–34
3,554
3,104
35–44
3,142
2,949
45–54
2,984
1,577
55–59
1,596
1,327
60–64
1,343
2,140
65–74
2,165
936
75–84
948
255
85+
259
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 10,621 | 23.1% |
| 18 and over | 35,337 | 76.9% |
| 65 and over | 6,703 | 14.6% |
| Median age | 37.5 years | |
Race & ethnicity
White
61.1%
Black or African American
24.2%
Hispanic or Latino
5.2%
Two or more races
4.4%
Other race
3.6%
Asian
0.8%
American Indian / Alaska Native
0.5%
Native Hawaiian / Pacific Islander
0.2%
| Group | Count | % |
|---|---|---|
| White | 29,627 | 61.1% |
| Black or African American | 11,745 | 24.2% |
| Hispanic or Latino | 2,524 | 5.2% |
| Two or more races | 2,136 | 4.4% |
| Other race | 1,727 | 3.6% |
| Asian | 369 | 0.8% |
| American Indian / Alaska Native | 263 | 0.5% |
| Native Hawaiian / Pacific Islander | 91 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 32.5% | 30.1% | 49.2% |
| $50k – $100k | 31.2% | 29.4% | 27.7% |
| $100k – $200k | 29.2% | 32.1% | 18.3% |
| Over $200k | 7.2% | 8.4% | 4.7% |
Under $10k
3.4%
$10k–$15k
2.4%
$15k–$25k
7.3%
$25k–$35k
5.4%
$35k–$50k
12.0%
$50k–$75k
16.4%
$75k–$100k
12.1%
$100k–$150k
21.0%
$150k–$200k
10.5%
$200k+
9.5%
| Range | % of households |
|---|---|
| Under $10k | 3.4% |
| $10k–$15k | 2.4% |
| $15k–$25k | 7.3% |
| $25k–$35k | 5.4% |
| $35k–$50k | 12.0% |
| $50k–$75k | 16.4% |
| $75k–$100k | 12.1% |
| $100k–$150k | 21.0% |
| $150k–$200k | 10.5% |
| $200k+ | 9.5% |
| Median income | $78,946 |
Housing
Home values
Under $50k
6.9%
$50k–$100k
5.4%
$100k–$150k
7.4%
$150k–$200k
13.8%
$200k–$300k
39.6%
$300k–$500k
20.2%
$500k–$1M
5.7%
$1M+
1.0%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $240,000 |
| Median rent / month | $1,404 |
| Owner occupied | 80.5% |
| Renter occupied | 19.5% |
| Vacant | 7.7% |
| Single-family detached | 72.5% |
| Large apartment buildings | 6.1% |
| Mobile homes | 14.1% |
| Median rooms | 5.5 |
| Avg household size (owned) | 2.63 |
Year built
| Era | % |
|---|---|
| 2020 or later | 1.5% |
| 2010–2019 | 24.8% |
| 2000–2009 | 27.1% |
| 1990–1999 | 12.7% |
| 1980–1989 | 10.6% |
| 1970–1979 | 10.0% |
| 1960–1969 | 6.9% |
| 1950–1959 | 3.2% |
| 1940–1949 | 1.1% |
| 1939 or earlier | 2.1% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.3% |
| 1 bedroom | 4.3% |
| 2 bedrooms | 16.8% |
| 3 bedrooms | 56.2% |
| 4 bedrooms | 18.3% |
| 5+ bedrooms | 2.9% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.2% |
| 1 vehicle | 32.1% |
| 2 vehicles | 44.1% |
| 3 or more | 20.6% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 32.8% |
| Electricity | 65.7% |
| Propane / LP gas | 1.2% |
| Solar | 0.1% |
| No fuel used | 0.2% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 9,629 | 53.0% |
| Cohabiting couple | 1,057 | 5.8% |
| Male householder, no spouse | 2,889 | 15.9% |
| Female householder, no spouse | 4,583 | 25.2% |
| Households with children under 18 | 5,654 | 31.1% |
| Households with seniors (65+) | 4,883 | 26.9% |
| Average household size | 2.52 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 30.7% | 27.5% |
| Married | 58.3% | 50.5% |
| Separated | 0.9% | 1.2% |
| Widowed | 2.1% | 7.0% |
| Divorced | 8.0% | 13.8% |
Education
Less than 9th grade
3.8%
Some HS, no diploma
10.0%
HS graduate
29.2%
Some college, no degree
22.5%
Associate's degree
8.1%
Bachelor's degree
17.9%
Graduate / professional
8.6%
| Metric | % |
|---|---|
| HS diploma or higher | 86.2% |
| Bachelor's or higher | 26.5% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 628 | 5.7% |
| Kindergarten | 542 | 4.9% |
| Elementary school | 4,958 | 45.1% |
| High school | 2,738 | 24.9% |
| College / grad school | 2,131 | 19.4% |
Employment
Industry of employment
Manufacturing
17.9%
Education & healthcare
16.7%
Professional & management
9.4%
Construction
8.9%
Retail trade
8.5%
Transportation & utilities
7.9%
Arts, food & hospitality
7.2%
Finance & real estate
6.7%
Other services
6.3%
Public administration
5.8%
Wholesale trade
2.7%
Information
1.6%
Agriculture & mining
0.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 36.0% |
| Service | 13.5% |
| Sales & office | 20.8% |
| Natural resources & construction | 10.8% |
| Production & transportation | 18.9% |
Employment type
| Type | % |
|---|---|
| Private sector | 80.1% |
| Government | 12.1% |
| Self-employed | 7.9% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 82.6% |
| Carpool | 9.7% |
| Public transit | 0.0% |
| Walk | 0.2% |
| Work from home | 7.2% |
| Other means | 0.3% |
| Avg commute (minutes) | 28.3 |
Poverty
All people
9.3%
Under 18 years
13.8%
18 and over
7.9%
Married-couple families
2.1%
Female-led households
20.7%
Income support
| Source | % of households |
|---|---|
| Social Security | 25.0% |
| Retirement income | 21.5% |
| Supplemental Security | 5.4% |
| Cash public assistance | 0.8% |
| Food stamps / SNAP | 11.4% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 32.2% |
| High blood pressure | 34.6% |
| High cholesterol | 33.8% |
| Diabetes | 10.1% |
| Heart disease | 5.6% |
| Stroke | 2.8% |
| Asthma | 8.9% |
| Arthritis | 22.1% |
| Kidney disease | 2.6% |
| Pulmonary disease | 6.3% |
| Cancer | 5.5% |
| Behavior / access | % |
|---|---|
| Smoking | 20.4% |
| Binge drinking | 21.9% |
| No physical activity | 27.9% |
| Less than 7 hrs sleep | 36.0% |
| Depression | 25.4% |
| Fair or poor health | 15.6% |
| Poor mental health | 17.5% |
| Poor physical health | 10.7% |
| No health insurance | 13.7% |
| Visited doctor (checkup) | 77.7% |
| Visited dentist | 58.9% |
| Cholesterol screening | 88.9% |
| Teeth loss | 15.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,892 | 5.4% |
| Disability | % |
|---|---|
| Any disability | 14.3% |
| Under 18 | 5.6% |
| 18–64 years | 12.9% |
| 65 and over | 34.2% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 66.3% |
| Public insurance | 37.1% |
| No insurance | 7.6% |
| Uninsured under 19 | 1.5% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 43,428 | 94.5% |
| Spanish | 1,548 | 3.6% |
| Other Indo-European | 1,384 | 3.2% |
| Asian & Pacific Islander | 127 | 0.3% |
| Other languages | 37 | 0.1% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 43,771 | 95.2% |
| Born in same state | 43,443 | 94.5% |
| Born in different state | 37,121 | 80.8% |
| Foreign born | 328 | 0.7% |
| Naturalized citizen | 2,187 | 4.8% |
| Not a US citizen | 795 | 36.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Arab | 3,226 | 7% |
| Italian | 2,954 | 6.4% |
| French | 2,278 | 5% |
| German | 1,485 | 3.2% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 176 | 0.4% |
| English | 172 | 0.4% |
| Norwegian | 71 | 0.2% |
| Dutch | 18 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 39.5% |
| Internet access | 96.1% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 70737
What city is ZIP code 70737 in?
ZIP code 70737 is primarily assigned to Gonzales, Louisiana.
What county is ZIP code 70737 in?
ZIP code 70737 falls within Ascension County, Louisiana.
Is ZIP code 70737 mostly owner-occupied?
81% of occupied units in ZIP code 70737 are owner-occupied, well above the national average.
What is the population of ZIP code 70737?
ZIP code 70737 has an estimated population of 45,958 residents, with a density of 851 people per square mile.
What is the median household income in ZIP code 70737?
The median household income in ZIP code 70737 is $78,946, above the national median of ~$75,000.
What is the typical home value in ZIP code 70737?
The median home value in ZIP code 70737 is $240,000.
What timezone is ZIP code 70737 in?
ZIP code 70737 observes the CST timezone.