RANK #220 / 996 NAT · POP 90,592
1YR FORECAST: +1.7%
5YR OUTLOOK: +31%
Twin Falls County, Idaho, is defined by the dramatic Snake River Canyon, home to Shoshone Falls, often called the "Niagara of the West" due to its impressive height, exceeding Niagara Falls. The county seat, Twin Falls, sits on the canyon's rim, offering views and access to outdoor recreation like hiking, kayaking, and BASE jumping from the Perrine Bridge, a unique landmark where the activity is permitted year-round without a permit. Located about two hours southeast of Boise, the area maintains a community atmosphere with a focus on its natural surroundings.
Life in Twin Falls County offers a blend of outdoor access and community living. The area attracts families, retirees, and remote workers drawn to its natural landscapes and a generally lower cost of living compared to larger metropolitan areas. The economy is largely supported by agriculture, food processing, and healthcare, with ongoing investment in these sectors. Commute times are typically short, and public transportation options like Ride TFT are available within Twin Falls. The Twin Falls School District serves over 9,300 students across numerous elementary, middle, and high schools, including charter options.
Above national median (4.7x)
Moderate climate & terrain
Below national median (13x)
Housing is fairly valued at 5.2x relative to local economic output. The typical U.S. county is 4–6x.
Estimated local headcount ranges. Larger employers shown as floor + "+"; smaller employers show exact counts where reported.
Source: Redfin · Census BPS — Browse sales on Redfin →
Source: CDC/NCHS vital statistics via County Health Rankings (2020–2022 avg). Rates per 100,000 population. Grade based on homicide rate relative to national average (~6.3). Learn more →
Source: EPA Air Quality System (2021–2023). Grade based on 3-year average median AQI. Learn about AQI →
| PROJECT | AMOUNT | STATUS |
|---|---|---|
|
Lava Ridge Wind Project
Bureau of Land Management (Developer not specified)
|
$1,000M | Planned |
|
Salmon Falls Wind Project
Magic Valley Energy (LS Power affiliate)
|
$800M | Proposed |
|
Meta Data Center
Meta
|
$500M | Under Construction |
|
Microsoft Data Center
Microsoft
|
$500M | Operating |
|
Franklin Battery Storage & Solar Project
Idaho Power Co.
|
$140M | Operating/Under Construction |
|
Jackpot Solar Project
Duke Energy Sustainable Solutions
|
$120M | Operating |
Source: public records, news, corporate announcements. Amounts are estimates where noted.
Bars show percentile rank among all 996 counties.
With a Boom Town Index score of 78/100, Twin Falls County sits in the upper half of all 996 ranked counties. Employment is expanding at +0.9%, and median household income stands at $61,183 — indicators that suggest solid fundamentals even if it's not among the fastest-growing counties in ID.
Twin Falls County leans toward the expensive side. A median home value of $262,200 against an income-to-home-value ratio of 0.23 means housing eats a bigger share of local earnings than the national norm. Renters face $951/month on average.
Twin Falls County's population is growing — up +1.6% YoY — while the job market is roughly flat (employment change of +0.9%). Home values shifted +2.7% over the past year. In-migration is outpacing local hiring, which often points to remote workers or retirees driving the headcount.
There's a moderate stream of newcomers. About 4.52% of residents moved from another state, which is above average and suggests Twin Falls County has appeal as a relocation destination — though it's not among the highest-inflow counties nationally.