Waldo County GIS Maps
Waldo County, Maine, has 39,607 residents across 18,372 parcels and covers 730 square miles. The population grew 2.1% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Waldo County is 23027.
Belfast is the county's largest population center. Waldo County also includes 18 zip codes, 9 public school districts and 45 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.
Waldo County Trends
- Population
- 39,607▴
- Median Home Value
- $239,100▴
- K-12 Enrollment
- 7,577▾
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.
Waldo 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.
Waldo County Parcels
Waldo County has 18,372 mapped parcels covering 327,154 acres. The records carry 7,244 distinct owner names. About 16% of parcels list an owner mailing address outside Maine. Site addresses reach 63.8%. Browse the interactive Waldo County Parcel viewer here.
Waldo County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 18,372 | 100% |
| Owner name | 8,728 | 47.5% |
| Owner mailing address | 8,177 | 44.5% |
| Site address | 11,715 | 63.8% |
| Land use code | 3,492 | 19.0% |
| Land use description | 0 | 0% |
| Assessed value | 8,234 | 44.8% |
| Land value | 8,845 | 48.1% |
| Improvement value | 8,845 | 48.1% |
| Acreage | 7,950 | 43.3% |
| Parcel boundary | 18,372 | 100% |
| Download all Waldo County parcels. | ||
Field coverage measured across all Waldo County parcel records.
Waldo County Population
Waldo County had 39,607 residents in 2020. That was 2.1% higher than in 2010. Waldo County added 3,327 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 54 people per square mile. Some of the county's most populated postal areas include Belfast, Lincolnville and Winterport.
Population Trend in Waldo County ME
Waldo County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Waldo County Zip Codes
Waldo County has 18 zip codes. Some of the county's most populated zip codes include Belfast (04915), Lincolnville (04849) and Winterport (04496). Belfast is the largest zip by population, with about 9,110 residents or 23% of the county total. Together, the three largest zips account for about 42% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Waldo County ME
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 04915 | Belfast | 9,110 | ▴ 3.5% |
| 04849 | Lincolnville | 3,862 | ▴ 4.8% |
| 04496 | Winterport | 3,817 | ▴ 1.6% |
| 04974 | Searsport | 2,649 | ▴ 1.5% |
| 04988 | Unity | 2,328 | ▴ 9.1% |
| Download all zip code data | |||
Waldo County Zip Code populations and trends per most recent census data.
Waldo County Demographics
Waldo County has a median age of 46.9, which makes the county a little older than Maine overall. About 18% of residents are under 18, while 24.5% 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 28.4% of the population, which points to a solid working-age base. About 34.8% 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 Waldo County ME
Median Age
46.9
Under 18
18%
Age 65+
24.5%
Bachelor's+
34.8%
Waldo County School Districts
Waldo County is served by 9 public school districts with 7,577 students enrolled in 2024. The largest districts on the county map are Regional School Unit 22, Regional School Unit 71 and Regional School Unit 25. Those three districts account for about 60% 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 Waldo County ME
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Regional School Unit 22 | 2,118 | 28% | ▾ -2.4% |
| Regional School Unit 71 | 1,396 | 18.4% | ▾ -1.2% |
| Regional School Unit 25 | 1,067 | 14.1% | ▾ -0.7% |
| School Administrative District 03 | 983 | 13% | ▾ -3.3% |
| Regional School Unit 12 | 877 | 11.6% | ▾ -0.3% |
| Download all school district data | |||
Waldo County school district enrollment and trends per most recent NCES reporting data.
Waldo County Housing & Real Estate
Waldo County has a median home value of $239,100 and a median gross rent of $969. About 81% 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 $440,000 and homes spent about 118 days on the market.
Waldo County Housing Mix
Waldo County housing mix: owner, renter and vacant units.
Waldo County Housing Trends
Waldo County median home value and rent trend (last 5 years).
Businesses in Waldo County, ME
Waldo County has 2,035 business listings across 451 categories. The largest categories in Waldo County business listings are Farm (82, 4.0%), Auto Repair (52, 2.6%), and Landmark And Historical Building (51, 2.5%). The full Waldo County business listings dataset includes names, categories, addresses and contact details where available. Waldo County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Waldo County, ME
| Category | Businesses | Share |
|---|---|---|
| Farm | 82 | 4.0% |
| Auto Repair | 52 | 2.6% |
| Landmark And Historical Building | 51 | 2.5% |
| Churches & Religious Organizations | 44 | 2.2% |
| Convenience Stores | 36 | 1.8% |
| Contractors | 33 | 1.6% |
| Structure And Geography | 32 | 1.6% |
| Community & Nonprofits | 31 | 1.5% |
| Parks & Recreation | 26 | 1.3% |
| Flowers & Gifts | 22 | 1.1% |
Waldo County Business Listings
| Business | Category | City |
|---|---|---|
| Searsport Counseling | Abuse And Addiction Treatment | Belfast |
| Little Red Cabin | Accommodation | Northport |
| NR Bookkeeping Services, Inc. | Accountant | Searsport |
| Mount Waldo | Active Life | Frankfort |
| Novi Acupuncture | Acupuncture | Belfast |
| Phoenix Ascendant Multimedia | Advertising Agency | Thorndike |
| Champions at Leroy H. Smith School | After School Program | Winterport |
| Union Harvest Grange #591 | Agricultural Cooperatives | Montville |
| Angel Wings Farm Stand | Agricultural Service | Searsport |
| Bayside Village, Maine | Agriculture | Northport |
| Download Waldo County business listings | ||
Waldo County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Waldo County Basemaps
Waldo 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 Waldo County Data Package
This page shows a preview of what's included in the Waldo 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 Waldo County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.