Lewisville, Idaho Demographics & Population 2026
During the 2020–2024 ACS period, Lewisville, Idaho had a total population of 453, the 152nd largest city in Idaho, with a median household income of $83,750, which is 8% higher than the state average. The poverty rate is 9.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Unemployment rate of 12.9% is notably above the national average.
Lewisville Quick Facts
How Lewisville Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 489 | 453 | -7.4% |
| Median household income | $70,417 | $83,750 | +18.9% |
| Median home value | $228,800 | $236,500 | +3.4% |
How Lewisville Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 36 | National average: 61
Education
Educational Attainment (Adults 25+)
Lewisville Rankings in Idaho
Explore Idaho Rankings
Other Cities in Jefferson County
Cities Similar to Lewisville
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Garden Valley | 438 | N/A | $782,100 | 47.9% | 11.2% |
| Tetonia | 426 | $78,864 | $428,100 | 27.3% | 6.1% |
| Dayton | 500 | $82,083 | $308,300 | 30.6% | 2.8% |
| New Meadows | 411 | $78,594 | $331,800 | 26.2% | 10.7% |
| Dietrich | 421 | $73,750 | $225,000 | 14.6% | 5.2% |
A note before these figures: with a population of 453, Lewisville's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Lewisville is a small community located in Idaho, within Jefferson County. The total population is 453. It ranks as the 152nd most populous out of 232 Census-designated places in Idaho.
Age Demographics
The median age in Lewisville is 39.9 years. This is 7% higher than the state median of 37.3 years.
Economy, Income & Housing
The median household income in Lewisville is $83,750. This is 8% higher than the state median of $77,800. It is also 4% higher than the national median of $80,734. The poverty rate stands at 9.3%. This is 12% lower than the state poverty rate of 10.6%. The unemployment rate is 12.9%. This is 245% higher than the state rate of 3.7%. The median home value is $236,500. Housing costs are 44% lower than the state median of $418,600. With a home-value-to-income ratio of just 2.8x, Lewisville is one of the most affordable housing markets in the area. 80.7% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 72.1%.
Race & Ethnicity
The largest racial or ethnic group in Lewisville is White (non-Hispanic), making up 84.1% of the population. Hispanic or Latino residents account for 13.3%.
Education
17.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 45% lower than the state rate of 31.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 82.6%.
Data Sources & Methodology
All demographic data for Lewisville, Idaho is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Idaho state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 232 Census-designated places in Idaho. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Lewisville, Idaho?
Lewisville, Idaho has a population of 453 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Lewisville, ID?
The median household income in Lewisville is $83,750, which is 4% higher than the national median of $80,734.
What is the poverty rate in Lewisville, ID?
The poverty rate in Lewisville is 9.3%. This means approximately 42 residents live below the federal poverty line.
What is the racial makeup of Lewisville, Idaho?
Lewisville's population is 84.1% White, 0.0% Black, 13.3% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Lewisville, ID?
The median home value in Lewisville is $236,500. The home-value-to-income ratio is 2.8x.
How educated is Lewisville, Idaho?
17.4% of adults (25+) in Lewisville hold a bachelor's degree or higher, and 9.6% hold a graduate or professional degree.