Twin Falls County GIS Maps
Twin Falls County, Idaho, has 90,046 residents and covers 1,921.7 square miles. The population grew 16.6% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Twin Falls County is 16083.
Twin Falls is the county's largest population center. Twin Falls County also includes 8 zip codes, 9 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 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.
Twin Falls County Trends
- Population
- 90,046▴
- Median Home Value
- $292,700▴
- K-12 Enrollment
- 15,290▾
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.
Twin Falls 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.
Twin Falls County Population
Twin Falls County had 90,046 residents in 2020. That was 16.6% higher than in 2010. Twin Falls County added 25,762 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 47 people per square mile. Some of the county's most populated postal areas include Twin Falls, Buhl and Kimberly.
Population Trend in Twin Falls County ID
Twin Falls County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Twin Falls County Zip Codes
Twin Falls County has 8 zip codes. Some of the county's most populated zip codes include Twin Falls (83301), Buhl (83316) and Kimberly (83341). Twin Falls is the largest zip by population, with about 60,789 residents or 68% of the county total. Together, the three largest zips account for about 89% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Twin Falls County ID
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 83301 | Twin Falls | 60,789 | ▴ 16.9% |
| 83316 | Buhl | 10,295 | ▴ 6.9% |
| 83341 | Kimberly | 8,838 | ▴ 36.2% |
| 83328 | Filer | 6,230 | ▴ 16.5% |
| 83332 | Hagerman | 2,434 | ▴ 3.1% |
| Download all zip code data | |||
Twin Falls County Zip Code populations and trends per most recent census data.
Twin Falls County Demographics
Twin Falls County has a median age of 35.8, which makes the county a little younger than Idaho overall. About 26.7% of residents are under 18, while 16.4% 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 31.9% of the population, which points to a solid working-age base. About 23% 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 Twin Falls County ID
Median Age
35.8
Under 18
26.7%
Age 65+
16.4%
Bachelor's+
23%
Twin Falls County School Districts
Twin Falls County is served by 9 public school districts with 15,290 students enrolled in 2024. The largest districts on the county map are Twin Falls 411, Kimberly 414 and Filer 413. Those three districts account for about 83% 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 Twin Falls County ID
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Twin Falls School District 411 | 9,000 | 58.9% | ▾ -2.5% |
| Kimberly School District 414 | 2,195 | 14.4% | ▴ 2% |
| Filer School District 413 | 1,550 | 10.1% | ▴ 0.6% |
| Buhl Joint School District 412 | 1,198 | 7.8% | ▾ -1.8% |
| Murtaugh Joint School District 418 | 388 | 2.5% | ▴ 1.3% |
| Download all school district data | |||
Twin Falls County school district enrollment and trends per most recent NCES reporting data.
Twin Falls County Housing & Real Estate
Twin Falls County has a median home value of $292,700 and a median gross rent of $1,011. About 70% 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 $452,500 and homes spent about 59 days on the market.
Twin Falls County Housing Mix
Twin Falls County housing mix: owner, renter and vacant units.
Twin Falls County Housing Trends
Twin Falls County median home value and rent trend (last 5 years).
Businesses in Twin Falls County, ID
Twin Falls County has 4,944 business listings across 721 categories. The largest categories in Twin Falls County business listings are Medical Offices (126, 2.5%), Real Estate Agents (93, 1.9%), and Churches & Religious Organizations (92, 1.9%). The full Twin Falls County business listings dataset includes names, categories, addresses and contact details where available. Twin Falls County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Twin Falls County, ID
| Category | Businesses | Share |
|---|---|---|
| Medical Offices | 126 | 2.5% |
| Real Estate Agents | 93 | 1.9% |
| Churches & Religious Organizations | 92 | 1.9% |
| Beauty Salons | 89 | 1.8% |
| Auto Repair | 78 | 1.6% |
| Contractors | 75 | 1.5% |
| Insurance Agencies | 63 | 1.3% |
| Gas Stations | 50 | 1.0% |
| Convenience Stores | 49 | 1.0% |
| Parks & Recreation | 49 | 1.0% |
Twin Falls County Business Listings
| Business | Category | City |
|---|---|---|
| Five Fish Press | 3D Printing Service | Twin Falls |
| Recovery In Motion | Abuse And Addiction Treatment | Twin Falls |
| Aspen Grove Apartments | Accommodation | Filer |
| Cooper Norman | Accountant | Twin Falls |
| Salmon Falls Creek Reservoir | Active Life | Twin Falls |
| Twin Falls Acupuncture | Acupuncture | Twin Falls |
| Jubilee House | Addiction Rehabilitation Center | Twin Falls |
| Adam & Eve | Adult Entertainment | Twin Falls |
| Freemark | Advertising Agency | Twin Falls |
| Naz Kitchen - The House Of Kabobs | Afghan Restaurant | Twin Falls |
| Download Twin Falls County business listings | ||
Twin Falls County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Twin Falls County Basemaps
Twin Falls 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 Twin Falls County Data Package
This page shows a preview of what's included in the Twin Falls 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 Twin Falls County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.