Meridian, ID: Population, ZIP Codes & Nearby Cities

Meridian is an incorporated city in Ada County, Idaho. In the dataset behind this page it has an estimated population of 114,161, sits at 43.611°N, 116.397°W, and observes Mountain time. Below you will find how it ranks inside Idaho, which ZIP codes it uses, the closest places around it, and how far it is from major US cities.

What are the key facts about Meridian, ID?

What is the population of Meridian, ID?

Meridian has an estimated population of 114,161. That makes it the 4th largest of 226 places in Idaho, placing it among the state's ten biggest, and the 2nd largest of 7 places in Ada County. The typical place in Idaho has about 750 residents, so Meridian is many dozens of times larger than a typical place in the state.

Estimates for places of this size carry wider margins of error than those for big cities, so treat the figure as a guide to scale. Our guide to understanding city population numbers explains why sources disagree.

Places in Idaho with a similar population include Coeur d'Alene (116,834), Idaho Falls (100,442), Pocatello (72,878), Caldwell (58,481), Twin Falls (55,556). Comparing these pages is a quick way to see how Meridian differs from communities of the same scale.

How dense is Meridian?

Meridian has about 3,359 people per square mile (1,297 per square kilometer), which we classify as suburban. Within Idaho, it is denser than about 99% of the listed places. Land at this level is usually a mix of single-family neighborhoods, shopping corridors and parks, where driving is common but destinations are close. Read how to interpret population density to see how we draw these lines.

What ZIP codes does Meridian use?

Meridian uses 3 ZIP codes: 83646, 83642, 83680. Several codes in one place usually reflect separate delivery areas, post offices or large buildings with their own code. Codes beginning with 8 are assigned to the Mountain West (Arizona, Colorado, Idaho, Nevada, New Mexico, Utah and Wyoming). Learn more in our guide to how ZIP codes work or check any code with the ZIP code lookup.

What time zone is Meridian in?

Meridian is in the Mountain time zone, which is UTC−7 from Coordinated Universal Time in standard time (IANA zone America/Boise). The area observes daylight saving time, so clocks move forward in March and back in November. The nearest listed place in a different time zone is Baker City, OR, about 107 miles away, which gives a sense of how far the nearest zone boundary may be. Current local time: see the Mountain time hub. For the rules behind these zones, read US time zones explained.

Where is Meridian located in Idaho?

Meridian lies in the southwestern part of Idaho, at 43.611° north latitude and 116.397° west longitude. The state capital, Boise, is about 8 miles to the east. The closest listed place in another state is Ontario, OR, roughly 41 miles to the northwest, which shows how near Meridian is to a state line. For big-city services, the nearest place with more than 100,000 people is Boise, ID, 8 miles to the east.

Which cities are near Meridian, ID?

The closest listed place to Meridian is Garden City, ID, 6.8 miles to the northeast. Of the eight nearest places below, 5 are in the same county. Distances are straight-line (great-circle) miles measured between place centers; see how distance is calculated.

Which county is Meridian in?

Meridian is in Ada County, which has the Federal Information Processing Standards (FIPS) code 16001. The county contains 7 places in our data, 6 of which have their own page here and 1 smaller communities that appear only in county and state lists. Other places in the county include Boise (389,280), Eagle (29,796), Kuna (22,292), Garden City (11,969), Star (10,532). Codes like this one help separate places that share a name; see the guide to counties and FIPS codes.

How far is Meridian from major US cities?

Among six major hubs, Meridian is closest to Denver, CO at about 650 miles and farthest from New York, NY at about 2,161 miles in a straight line. Road distances are usually 10 to 30 percent longer. Try the distance calculator for any other pair.

Are there other places called Meridian?

Yes. Our data lists 7 other places named Meridian: Meridian, MS (36,686), Meridian, PA (3,970), Meridian, CO (3,640), Meridian, TX (1,515), Meridian, CA (371), Meridian, NY (288), Meridian, OK (43). When you search for Meridian, add the state or county so you land on the right one. This page covers the Meridian in Ada County, Idaho.

Planning a move to Meridian?

If you are weighing Meridian, start with the practical numbers: how far it is from where you live, whether it changes your time zone, and how its size and density compare with your current city. Use the distance calculator to measure the trip from where you live. The radius search tool lists every place within any distance of it. Our checklist for comparing cities explains what to check next.

Where to go next

Population and density come from a compiled dataset and are estimates. They may differ from official Census Bureau counts. Verify important figures at census.gov.