Blaine County GIS Maps

Blaine 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.

Blaine County Population

Blaine County had 24,272 residents in 2020. That was 13.5% higher than in 2010. Blaine County added 5,281 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 9 people per square mile. Some of the county's most populated postal areas include Hailey, Ketchum and Bellevue.

Population Trend in Blaine County ID

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

Blaine County Zip Codes

Blaine County has 7 zip codes. Some of the county's most populated zip codes include Hailey (83333), Ketchum (83340) and Bellevue (83313). Hailey is the largest zip by population, with about 11,775 residents or 49% of the county total. Together, the three largest zips account for about 87% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Blaine County ID

Blaine County Zip Code populations and trends per most recent census data.

Blaine County Demographics

Blaine County has a median age of 45.5, which makes the county a little older than Idaho overall. About 19.6% of residents are under 18, while 21.8% 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 45.5% of adults have a bachelor's degree or higher, above the statewide figure of 31.2%. 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 Blaine County ID

Blaine County School Districts

Blaine County is served by 1 public school district with 3,102 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 Blaine County ID

Blaine County school district enrollment and trends per most recent NCES reporting data.

Blaine County Housing & Real Estate

Blaine County has a median home value of $663,800 and a median gross rent of $1,217. About 75% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Idaho median, while rents come in above the state average. In March 2026, the median listing price was $1,737,500 and homes spent about 89 days on the market.

Businesses in Blaine County, ID

Blaine County has 1,917 business listings across 472 categories. The largest categories in Blaine County business listings are Structure And Geography (48, 2.5%), Real Estate Agents (43, 2.2%), and Lake (42, 2.2%). The full Blaine County business listings dataset includes names, categories, addresses and contact details where available. Blaine County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Blaine County, ID

Blaine County Business Listings

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

Blaine County Basemaps

Blaine 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.

Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from Idaho — explore the full structure before you buy.