Boundary County GIS Maps
Boundary County, Idaho, has 12,056 residents and covers 1,268.7 square miles. The population grew 9.9% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Boundary County is 16021.
Bonners Ferry is the county's largest population center. Boundary County also includes 4 zip codes, 1 public school district and 8 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.
Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.
Boundary County Trends
- Population
- 12,056▴
- Median Home Value
- $344,100▴
- K-12 Enrollment
- 1,455▴
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.
Boundary 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.
Boundary County Population
Boundary County had 12,056 residents in 2020. That was 9.9% higher than in 2010. Boundary County added 2,185 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 10 people per square mile. Some of the county's most populated postal areas include Bonners Ferry, Moyie Springs and Naples.
Population Trend in Boundary County ID
Boundary County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Boundary County Zip Codes
Boundary County has 4 zip codes. Some of the county's most populated zip codes include Bonners Ferry (83805), Moyie Springs (83845) and Naples (83847). Bonners Ferry is the largest zip by population, with about 8,412 residents or 70% of the county total. Together, the three largest zips account for about 99% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Boundary County ID
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 83805 | Bonners Ferry | 8,412 | ▴ 13.1% |
| 83845 | Moyie Springs | 1,795 | ▴ 3% |
| 83847 | Naples | 1,685 | ▾ -2% |
| 83826 | Eastport | 100 | ▴ 122.2% |
| Download all zip code data | |||
Boundary County Zip Code populations and trends per most recent census data.
Boundary County Demographics
Boundary County has a median age of 42.8, which makes the county a little older than Idaho overall. About 23.3% of residents are under 18, while 23.6% 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 26.5% of the population, which points to a solid working-age base. About 19.6% of adults have a bachelor's degree or higher, above the statewide figure of 31.2%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Boundary County ID
Median Age
42.8
Under 18
23.3%
Age 65+
23.6%
Bachelor's+
19.6%
Boundary County School Districts
Boundary County is served by 1 public school district with 1,455 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 Boundary County ID
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Boundary County School District 101 | 1,455 | 100% | ▴ 6.8% |
| Download all school district data | |||
Boundary County school district enrollment and trends per most recent NCES reporting data.
Boundary County Housing & Real Estate
Boundary County has a median home value of $344,100 and a median gross rent of $867. About 78% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Idaho median, while rents come in below the state average. In March 2026, the median listing price was $642,500 and homes spent about 54 days on the market.
Boundary County Housing Mix
Boundary County housing mix: owner, renter and vacant units.
Boundary County Housing Trends
Boundary County median home value and rent trend (last 5 years).
Businesses in Boundary County, ID
Boundary County has 635 business listings across 253 categories. The largest categories in Boundary County business listings are Lake (36, 5.7%), Churches & Religious Organizations (17, 2.7%), and Farm (17, 2.7%). The full Boundary County business listings dataset includes names, categories, addresses and contact details where available. Boundary County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Boundary County, ID
| Category | Businesses | Share |
|---|---|---|
| Lake | 36 | 5.7% |
| Churches & Religious Organizations | 17 | 2.7% |
| Farm | 17 | 2.7% |
| Structure And Geography | 17 | 2.7% |
| Mountain | 12 | 1.9% |
| Public And Government Association | 11 | 1.7% |
| Beauty Salons | 10 | 1.6% |
| Coffee Shops | 9 | 1.4% |
| Landmark And Historical Building | 9 | 1.4% |
| Gas Stations | 9 | 1.4% |
Boundary County Business Listings
| Business | Category | City |
|---|---|---|
| Paradise Valley | Accommodation | Bonners Ferry |
| Green Shade Bookkeeping | Accountant | Bonners Ferry |
| Limitless Outdoors | Active Life | Bonners Ferry |
| General Feed and Grain | Agriculture | Bonners Ferry |
| Boundary County Airport | Airport | Bonners Ferry |
| Boundary Search and Dive Rescue Team | Ambulance And Ems Services | Bonners Ferry |
| Chic-N-Chop | American Restaurants | Bonners Ferry |
| Second Chance Animal Adoption | Animal Shelters | Bonners Ferry |
| This Old Trunk | Antique Store | Bonners Ferry |
| Riverview | Apartments | Bonners Ferry |
| Download Boundary County business listings | ||
Boundary County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Boundary County Basemaps
Boundary 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 Boundary County Data Package
This page shows a preview of what's included in the Boundary 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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Nearby Counties
Browse county data pages for the counties that border Boundary County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.