Meridian, Idaho

Meridian population, 2020 to 2024

Meridian added 20,244 residents from July 2020 to July 2024, a change of +16.9%. In the latest year it moved by +4,418. Among 36 Idaho places of 5,000 or more, that growth ranks 8th; the median place changed by +8.3%. The median place of 5,000+ in Idaho has 16,745 people, so Meridian is 8.3 times that size.

Meridian covers 37.13 square miles of land and 0.06 of water, for 3,764 people per square mile of land. The median Idaho place of 5,000+ has 2,389, so Meridian is denser than the typical town.

What county Meridian is in

All of Meridian's residents live in Ada County, which had 535,799 residents in 2024. Meridian holds 26.1% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Meridian

2 ZIP Code Tabulation Areas (ZCTAs) overlap Meridian by at least 10% of the ZCTA's or the city's land: 83642, 83646. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Meridian is

The Census internal point of Meridian is at 43.611500, -116.400700. Boise, the capital, is 9.3 miles E in a straight line. The nearest larger place is Boise City, ID (237,963 people), 8.6 miles away. The nearest city of 100,000 or more is Nampa, ID, 8.3 miles away. The ground at the internal point is about 791 m (2,595 ft) above sea level.

Daylight in Meridian

At 43.61° N, Meridian gets about 15 h 26 min of daylight around the June solstice and 8 h 56 min around the December solstice, a swing of 6 h 30 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the Meridian daylight page.

Places near Meridian

The eight nearest incorporated places of 1,000+ in Idaho, measured between internal points. The closest is Kuna, 6.0 miles away, with 29,127 people.