Meridian is a city located in Ada County, Idaho. Meridian has a 2026 population of 149,862. Meridian is currently growing at a rate of 3.5% annually and its population has increased by 25.41% since the most recent census, which recorded a population of 119,496 in 2020.
The median household income in Meridian is $100,795 with a poverty rate of 6%. The median age in Meridian is 37.5 years: 36.9 years for males, and 38.3 years for females. For every 100 females there are 99.0 males.
Data after 2023 is projected based on recent change
Overall: 37.5 years
Female: 38.3 years
Male: 36.9 years
There are 97,550 adults, (19,218 of whom are seniors) in Meridian.
Female: 65,398 (50.3%)
Male: 64,740 (49.7%)
The racial composition of Meridian includes 82.96% White, and smaller percentages for other race, Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 107,959 | 82.96% |
| Two or more races | 13,204 | 10.15% |
| Other race | 3,631 | 2.79% |
| Asian | 3,072 | 2.36% |
| Black or African American | 1,659 | 1.27% |
| Native American | 438 | 0.34% |
| Native Hawaiian or Pacific Islander | 175 | 0.13% |
Meridian 's average per capita income is $54,943. Household income levels show a median of $100,795. The poverty rate stands at 6%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $126,716 | $160,630 |
| Families | $116,431 | $147,799 |
| Households | $100,795 | $132,812 |
| Non Families | $59,836 | $82,053 |
Average Income
Median Household Income
Poverty Rate