Cobb County GIS Maps
Cobb County, Georgia, has 766,149 residents across 268,097 parcels and covers 339.8 square miles. The population grew 11.3% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Cobb County is 13067.
Marietta is the county's largest population center. Cobb County also includes 19 zip codes, 2 public school districts and 17 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 parcel data, population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.
Cobb County Trends
- Population
- 766,149▴
- Median Home Value
- $373,700▴
- K-12 Enrollment
- 114,402▾
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Cobb 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.
Cobb County Parcels
Cobb County has 268,097 mapped parcels covering 195,409 acres. The records carry 231,858 distinct owner names. Owner names and site addresses are on nearly every parcel. Browse the interactive Cobb County Parcel viewer here.
Cobb County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 268,097 | 100% |
| Owner name | 265,644 | 99.1% |
| Owner mailing address | 0 | 0% |
| Site address | 265,701 | 99.1% |
| Land use code | 0 | 0% |
| Land use description | 0 | 0% |
| Assessed value | 0 | 0% |
| Land value | 0 | 0% |
| Improvement value | 0 | 0% |
| Acreage | 73,725 | 27.5% |
| Parcel boundary | 268,097 | 100% |
| Download all Cobb County parcels. | ||
Field coverage measured across all Cobb County parcel records.
Cobb County Population
Cobb County had 766,149 residents in 2020. That was 11.3% higher than in 2010. Cobb County added 158,398 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 2,255 people per square mile. Some of the county's most populated postal areas include Powder Springs, Marietta and Marietta.
Population Trend in Cobb County GA
Cobb County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Cobb County Zip Codes
Cobb County has 19 zip codes. Some of the county's most populated zip codes include Powder Springs (30127), Marietta (30062) and Marietta (30066). Powder Springs is the largest zip by population, with about 68,574 residents or 9% of the county total. Together, the three largest zips account for about 26% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Cobb County GA
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 30127 | Powder Springs | 68,574 | ▴ 13.6% |
| 30062 | Marietta | 66,889 | ▴ 7.6% |
| 30066 | Marietta | 62,417 | ▴ 17.9% |
| 30101 | Acworth | 61,989 | ▴ 14% |
| 30144 | Kennesaw | 53,984 | ▴ 3.3% |
| Download all zip code data | |||
Cobb County Zip Code populations and trends per most recent census data.
Cobb County Demographics
Cobb County has a median age of 37.4, which is close to the Georgia average. About 22.9% of residents are under 18, while 13.2% 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 35.6% of the population, which points to a solid working-age base. About 50.4% of adults have a bachelor's degree or higher, above the statewide figure of 34.2%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.
Key Demographics for Cobb County GA
Median Age
37.4
Under 18
22.9%
Age 65+
13.2%
Bachelor's+
50.4%
Cobb County School Districts
Cobb County is served by 2 public school districts with 114,402 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 stayed fairly steady in recent years, but it is slightly lower than it was in 2017.
Largest School Districts by Enrollment in Cobb County GA
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Cobb County School District | 105,738 | 92.4% | ▾ -0.6% |
| Marietta City School District | 8,664 | 7.6% | ▴ 0.3% |
| Download all school district data | |||
Cobb County school district enrollment and trends per most recent NCES reporting data.
Cobb County Housing & Real Estate
Cobb County has a median home value of $373,700 and a median gross rent of $1,640. About 67% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Georgia median, while rents come in above the state average. In March 2026, the median listing price was $448,950 and homes spent about 44 days on the market.
Cobb County Housing Mix
Cobb County housing mix: owner, renter and vacant units.
Cobb County Housing Trends
Cobb County median home value and rent trend (last 5 years).
Businesses in Cobb County, GA
Cobb County has 33,868 business listings across 1,149 categories. The largest categories in Cobb County business listings are Real Estate Agents (710, 2.1%), Churches & Religious Organizations (571, 1.7%), and Hair Salons (552, 1.6%). The full Cobb County business listings dataset includes names, categories, addresses and contact details where available. Cobb County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Cobb County, GA
| Category | Businesses | Share |
|---|---|---|
| Real Estate Agents | 710 | 2.1% |
| Churches & Religious Organizations | 571 | 1.7% |
| Hair Salons | 552 | 1.6% |
| Insurance Agencies | 537 | 1.6% |
| Auto Repair | 536 | 1.6% |
| Contractors | 476 | 1.4% |
| Beauty Salons | 440 | 1.3% |
| Professional Services | 435 | 1.3% |
| Medical Offices | 414 | 1.2% |
| Gyms & Fitness | 377 | 1.1% |
Cobb County Business Listings
| Business | Category | City |
|---|---|---|
| 3D Printer Technology / Metal and CNC Machine Services / 3D Scanning | 3D Printing Service | Marietta |
| Alana Recovery Center | Abuse And Addiction Treatment | Kennesaw |
| KSU Bookstore | Academic Bookstore | Kennesaw |
| Essential Bowls | Acai Bowls | Marietta |
| Red Roof Inn | Accommodation | Kennesaw |
| Denson Pepper CPA | Accountant | Acworth |
| Lee's Crossing Pool | Active Life | Marietta |
| Tree of Life Healing Center, LLC | Acupuncture | Smyrna |
| Drug Rehab Marietta | Addiction Rehabilitation Center | Marietta |
| St. Nick's Kids | Adoption Services | Marietta |
| Download Cobb County business listings | ||
Cobb County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Cobb County Basemaps
Cobb 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 Cobb County Data Package
This page shows a preview of what's included in the Cobb 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 parcels, 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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Nearby Counties
Browse county data pages for the counties that border Cobb County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.