Lewisville Flag

Lewisville

County Seat:
No
Area (mi²):
0.664
State:
Idaho

Lewisville is a city located in Jefferson County, Idaho. Lewisville has a 2026 population of 444. Lewisville is currently growing at a rate of 1.6% annually and its population has increased by 7.25% since the most recent census, which recorded a population of 414 in 2020.

The median household income in Lewisville is $83,750 with a poverty rate of 9.27%. The median age in Lewisville is 39.9 years: 34.5 years for males, and 41.4 years for females. For every 100 females there are 97.8 males.

444
Total Population
669
Density (mi²)
7 1.6%
Growth

Lewisville Population

Lewisville Population

Year ↓
Population
Growth
Annual Change
202644471.6%
2025437-5-1.13%
202444230.68%
2023439112.57%
202242851.18%
202142392.17%
202041400%
2019523112.15%
2018512142.81%
2017498132.68%
2016485132.75%
201547251.07%
201446740.86%
201346320.43%
201246161.32%
2011455-3-0.66%
201045430.67%

Median Age

Overall: 39.9 years
Female: 41.4 years
Male: 34.5 years

Lewisville Adults

There are 334 adults, (82 of whom are seniors) in Lewisville.

Sex Ratio

Female: 229 (50.6%)
Male: 224 (49.4%)

Demographics

The racial composition of Lewisville includes 84.11% White, 9.49% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White38184.11%
Other race439.49%
Two or more races255.52%
Native American40.88%
Race
Population ↓
Percentage (of total)
Other race439.49%
Two or more races132.87%
Native American40.88%
Race
Population ↓
Percentage (of total)
White38184.11%
Two or more races122.65%

Lewisville Marital Status

Economics and Income Statistics

Lewisville's average per capita income is $41,324. Household income levels show a median of $83,750. The poverty rate stands at 9.27%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$89,500-
Families$88,864$94,639
Households$83,750$88,066
Non Families-$45,312

$41,324

Average Income

$83,750

Median Household Income

9.27%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)