Demographics

As of 2023, Jefferson County, Idaho, has an estimated population of around 33,000. The median age is approximately 31 years, with 27% under 18 and about 13% aged 65 or older. The gender distribution is nearly even, with 50.3% male and 49.7% female. The county is predominantly White (about 88%), with Hispanic or Latino residents making up 13%, and small percentages of Native American, Asian, and other races.

Elections

Jefferson County, Idaho, had 19,462 registered voters in 2022, mostly Republican (over 78%). The county administers elections for federal, state, local, and school offices, with polling locations in Rigby, Lewisville, and Ririe. In the 2020 presidential election, Donald Trump received 82% of the county vote, while Joe Biden received 15%. Issues often focus on agriculture, education, and property taxes. Elections are overseen by the Jefferson County Clerk’s office. Besides major parties, unaffiliated and Constitution Party voters comprise a small minority. Voter turnout in recent general elections ranged from 65% to 72%.

Education, Employment and Housing

Jefferson County, ID, has 11 public schools, including 2 high schools. High school graduation rate is about 94%, while approximately 22% of adults hold a bachelor’s degree or higher. Average GreatSchools ratings for district schools range from 6 to 8 out of 10. School safety scores are above state average, with increased security measures. Adult education options include GED and vocational programs. The district offers STEM, AP, and dual-credit courses, supporting both college and career readiness.

As of 2023, Jefferson County, ID, had an employment rate of approximately 64%. Leading industries include agriculture, forestry, fishing & hunting (19%), education and health services (16%), and retail trade (13%). Major occupations are in management (21%), production (15%), and office/administrative support (14%). About 80% of employed residents commute outside the county, primarily to Idaho Falls and Rexburg, with an average commute time of 22 minutes. Overall, the county's employment base is diverse, with strong ties to neighboring economic hubs.

Jefferson County, ID, has a homeownership rate of about 83%, with median home values around $340,000 (2023). Rentals make up 17% of housing, with median rents near $1,050/month. The market has seen property values increase 8% year-over-year. Housing types are primarily single-family homes, with some apartments and manufactured homes. Popular neighborhoods include Rigby and Menan. Property taxes average 0.7% of assessed value, making them relatively low compared to the national average.

County Crime & Safety

Jefferson County, ID, maintains a relatively low crime rate compared to state and national averages. In 2023, the county reported a total of 184 crimes, including 14 violent crimes and 170 property crimes. The burglary rate stood at 1.6 per 1,000 residents, while violent crime was 0.4 per 1,000 residents. The Jefferson County Sheriff's Office actively encourages community reporting and transparency to maintain public safety. Overall, residents experience a generally safe environment with vigilant law enforcement presence contributing to stable crime rates.