Ascension County GIS Maps

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Ascension County, Louisiana, has 126,500 residents and covers 290.1 square miles. The population grew 18% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Ascension County is 22005.

Gonzales is the county's largest population center. Ascension County also includes 7 zip codes, 1 public school district and 24 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show population, demographics, school enrollment and housing patterns in more detail.

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Ascension County Trends

Population
126,500▴
Median Home Value
$265,300▴
K-12 Enrollment
23,743▾
Ascension County in Louisiana

County analytics dashboards with historical trends & projections included in package downloads.

Ascension County Maps

The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.

County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.

Ascension County Population

Ascension County had 126,500 residents in 2020. That was 18% higher than in 2010. Ascension County added 49,873 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 436 people per square mile. Some of the county's most populated postal areas include Gonzales, Prairieville and Donaldsonville.

Population Trend in Ascension County LA

Ascension County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Ascension County Zip Codes

Ascension County has 7 zip codes. Some of the county's most populated zip codes include Gonzales (70737), Prairieville (70769) and Donaldsonville (70346). Gonzales is the largest zip by population, with about 47,332 residents or 37% of the county total. Together, the three largest zips account for about 82% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Ascension County LA

ZIP Area Population Trend
70737 Gonzales 47,332 ▴ 22.5%
70769 Prairieville 46,671 ▴ 29.3%
70346 Donaldsonville 10,342 ▾ -5.3%
70774 Saint Amant 9,900 ▾ -1.7%
70734 Geismar 8,384 ▴ 11%
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Ascension County Zip Code populations and trends per most recent census data.

Ascension County Demographics

Ascension County has a median age of 36.4, which makes the county a little younger than Louisiana overall. About 26.6% of residents are under 18, while 12.7% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 34.5% of the population, which points to a solid working-age base. About 28.5% of adults have a bachelor's degree or higher, above the statewide figure of 26.6%. The county is majority White by population, with Hispanic, Asian, Black and multiracial residents making up a meaningful share of the local mix.

Key Demographics for Ascension County LA

Median Age

36.4

Under 18

26.6%

Age 65+

12.7%

Bachelor's+

28.5%

Ascension County School Districts

Ascension County is served by 1 public school district with 23,743 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has grown modestly since 2017 across the districts shown on the county map.

Largest School Districts by Enrollment in Ascension County LA

District Enrollment Share Trend
Ascension Parish School District 23,743 100% ▾ -3.8%
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Ascension County school district enrollment and trends per most recent NCES reporting data.

Ascension County Housing & Real Estate

Ascension County has a median home value of $265,300 and a median gross rent of $1,283. About 83% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Louisiana median, while rents come in above the state average. In March 2026, the median listing price was $374,950 and homes spent about 65 days on the market.

Ascension County Housing Mix

Ascension County housing mix: owner, renter and vacant units.

Ascension County Housing Trends

Ascension County median home value and rent trend (last 5 years).

Businesses in Ascension County, LA

Ascension County has 4,426 business listings across 638 categories. The largest categories in Ascension County business listings are Churches & Religious Organizations (93, 2.1%), Industrial Equipment (80, 1.8%), and Gas Stations (77, 1.7%). The full Ascension County business listings dataset includes names, categories, addresses and contact details where available. Ascension County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Ascension County, LA

Category Businesses Share
Churches & Religious Organizations 93 2.1%
Industrial Equipment 80 1.8%
Gas Stations 77 1.7%
Real Estate Agents 75 1.7%
Contractors 73 1.6%
Medical Offices 69 1.6%
Auto Repair 62 1.4%
Beauty Salons 52 1.2%
Fast Food 52 1.2%
Nail Salons 51 1.2%

Ascension County Business Listings

Business Category City
Chateau D'ville Rehab & Retirement Abuse And Addiction Treatment Donaldsonville
Mainstay Suites Geismar - Gonzales Accommodation Geismar
Latuso & Johnson CPA Accountant Gonzales
Total Diamond Performance Active Life Prairieville
The Gold Club, Gonzales Adult Entertainment Geismar
Zenvest Media Advertising Agency Gonzales
LSU AgCenter Agricultural Cooperatives Gonzales
East Ascension FFA Agricultural Service Gonzales
Old Time Farm Supply, Inc. Agriculture Gonzales
Glencoe Aviation Aircraft Repair Gonzales
Download Ascension County business listings

Ascension County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Ascension County Basemaps

Ascension County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.

Get the Full Ascension County Data Package

This page shows a preview of what's included in the Ascension County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.

  • 20+ GIS layers for zip codes, school districts, roads, water, boundaries and more
  • Historical county demographics, housing, income and trend data
  • ZIP code population files and school district enrollment history
  • Database files, markdowns, AI-ready prompts and documentation
  • Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
  • Offline-ready data explorer, map and analytics tools

Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.

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