Kennebec County GIS Maps
Kennebec County, Maine, has 123,642 residents across 46,616 parcels and covers 867.5 square miles. The population grew 1.2% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Kennebec County is 23011.
Augusta is the county's largest population center. Kennebec County also includes 26 zip codes, 15 public school districts and 51 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.
Kennebec County Trends
- Population
- 123,642▴
- Median Home Value
- $219,900▴
- K-12 Enrollment
- 19,365▾
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.
Kennebec 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.
Kennebec County Parcels
Kennebec County has 46,616 mapped parcels covering 328,302 acres. The median assessed value is $124,100. The median lot size is 1.00 acres. 3,430 parcels are 10 acres or larger. The records carry 21,120 distinct owner names. About 8% of parcels list an owner mailing address outside Maine. Owner names reach 56.5%. Mailing addresses reach 52.7%. Browse the interactive Kennebec County Parcel viewer here.
Kennebec County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 46,616 | 100% |
| Owner name | 26,355 | 56.5% |
| Owner mailing address | 24,549 | 52.7% |
| Site address | 38,630 | 82.9% |
| Land use code | 778 | 1.7% |
| Land use description | 8,750 | 18.8% |
| Assessed value | 28,174 | 60.4% |
| Land value | 34,419 | 73.8% |
| Improvement value | 34,419 | 73.8% |
| Acreage | 28,104 | 60.3% |
| Parcel boundary | 46,616 | 100% |
| Download all Kennebec County parcels. | ||
Field coverage measured across all Kennebec County parcel records.
Kennebec County Population
Kennebec County had 123,642 residents in 2020. That was 1.2% higher than in 2010. Kennebec County added 6,528 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 143 people per square mile. Some of the county's most populated postal areas include Waterville, Augusta and Gardiner.
Population Trend in Kennebec County ME
Kennebec County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Kennebec County Zip Codes
Kennebec County has 26 zip codes. Some of the county's most populated zip codes include Waterville (04901), Augusta (04330) and Gardiner (04345). Waterville is the largest zip by population, with about 26,491 residents or 21% of the county total. Together, the three largest zips account for about 52% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Kennebec County ME
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 04901 | Waterville | 26,491 | ▴ 0.9% |
| 04330 | Augusta | 26,322 | ▴ 0.9% |
| 04345 | Gardiner | 12,052 | ▴ 3.5% |
| 04963 | Oakland | 7,358 | ▴ 1.7% |
| 04364 | Winthrop | 6,115 | ▴ 1.5% |
| Download all zip code data | |||
Kennebec County Zip Code populations and trends per most recent census data.
Kennebec County Demographics
Kennebec County has a median age of 44, which makes the county a little younger than Maine overall. About 19% of residents are under 18, while 20.8% 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 29.3% of the population, which points to a solid working-age base. About 30.9% of adults have a bachelor's degree or higher, above the statewide figure of 35.3%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Kennebec County ME
Median Age
44
Under 18
19%
Age 65+
20.8%
Bachelor's+
30.9%
Kennebec County School Districts
Kennebec County is served by 15 public school districts with 19,365 students enrolled in 2024. The largest districts on the county map are Regional School Unit 18, Regional School Unit 09 and Augusta. Those three districts account for about 36% 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 Kennebec County ME
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Regional School Unit 18 | 2,554 | 13.2% | ▾ -1.2% |
| Regional School Unit 09 | 2,276 | 11.8% | ▴ 1.2% |
| Augusta | 2,120 | 10.9% | ▾ -2.3% |
| School Administrative District 11 | 1,846 | 9.5% | ▾ -2.7% |
| School Administrative District 49 | 1,760 | 9.1% | ▾ -2.9% |
| Download all school district data | |||
Kennebec County school district enrollment and trends per most recent NCES reporting data.
Kennebec County Housing & Real Estate
Kennebec County has a median home value of $219,900 and a median gross rent of $952. About 73% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Maine median, while rents come in below the state average. In March 2026, the median listing price was $393,750 and homes spent about 86 days on the market.
Kennebec County Housing Mix
Kennebec County housing mix: owner, renter and vacant units.
Kennebec County Housing Trends
Kennebec County median home value and rent trend (last 5 years).
Businesses in Kennebec County, ME
Kennebec County has 6,207 business listings across 726 categories. The largest categories in Kennebec County business listings are Auto Repair (128, 2.1%), Community & Nonprofits (127, 2.0%), and Farm (114, 1.8%). The full Kennebec County business listings dataset includes names, categories, addresses and contact details where available. Kennebec County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Kennebec County, ME
| Category | Businesses | Share |
|---|---|---|
| Auto Repair | 128 | 2.1% |
| Community & Nonprofits | 127 | 2.0% |
| Farm | 114 | 1.8% |
| Churches & Religious Organizations | 109 | 1.8% |
| Contractors | 107 | 1.7% |
| Public And Government Association | 82 | 1.3% |
| Convenience Stores | 81 | 1.3% |
| Lake | 70 | 1.1% |
| Beauty Salons | 68 | 1.1% |
| Gas Stations | 62 | 1.0% |
Kennebec County Business Listings
| Business | Category | City |
|---|---|---|
| Mainegeneral | Abuse And Addiction Treatment | Augusta |
| Sand Hill | Accommodation | Augusta |
| One River CPAs | Accountant | Oakland |
| Southport Boats | Active Life | Gardiner |
| Dragonfly Oriental Medicine | Acupuncture | Farmingdale |
| Maine Recovery Center | Addiction Rehabilitation Center | Manchester |
| Maine Children's Home | Adoption Services | Waterville |
| Treasure Chest II | Adult Entertainment | Waterville |
| Maine Interactive | Adventure Sports Center | Augusta |
| Townsquare Media Augusta | Advertising Agency | Augusta |
| Download Kennebec County business listings | ||
Kennebec County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Kennebec County Basemaps
Kennebec 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 Kennebec County Data Package
This page shows a preview of what's included in the Kennebec 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 Kennebec County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.