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Iaşi Population

Population · latest official estimate
378,954

Iaşi is the 2nd largest city in Romania, with a population of about 379,000 — 2% of the country's 18.8 million people — about as many people as the whole of Guadeloupe. Worldwide it ranks #1422 among 5,279 cities with 100,000 or more inhabitants.

Quick facts

GeoNames · UN WPP
Population
378,954
city proper · GeoNames
Rank in Romania
#2 of 30
largest cities tracked
World rank
#1422
of 5,279 cities ≥ 100k
Region
Iași County
first-level division
Status
Regional capital
Elevation
66 m
above sea level
Time zone
UTC+3
Europe/Bucharest
Coordinates
47.17°N 27.6°E
Share of country
2%
of 18.77M people

Iaşi overview

Updated October 2026
Bucharest · 1,877,155Constanţa · 317,832Cluj-Napoca · 286,598Braşov · 253,200Timişoara · 250,849Craiova · 234,140Galaţi · 217,851Târgu Mureş · 212,752Oradea · 183,105Ploieşti · 180,540Arad · 169,065Brăila · 154,686Piteşti · 141,275Bacău · 136,087Sibiu · 134,309Satu Mare · 112,490Baia Mare · 108,759Buzău · 103,481Piatra Neamţ · 102,688Râmnicu Vâlcea · 93,151Botoşani · 90,010Suceava · 84,308Reşiţa · 81,228Drobeta-Turnu Severin · 79,865Bistriţa · 78,877Târgu Jiu · 73,545Hunedoara · 69,136Roman · 67,819Bârlad · 67,818Iaşi · 378,954Iaşi

Iaşi (orange) and the other large cities of Romania

Iaşi lies in Iași County in Romania at 47.17°N, 27.6°E, about 66 m above sea level. The local time zone is Europe/Bucharest (UTC+3); GeoNames classifies it as a regional capital.

It is smaller than Bucharest (1,877,155) and larger than Constanţa (317,832). The largest city in Romania is Bucharest with 1,877,155 people; the capital, Bucharest, has 1,877,155.

The national capital, Bucharest, is about 325 km away; the nearest large city is Roman, 58 km from Iaşi.

Romania as a whole has a live population of 18,768,237 (-0.6% a year) and ranks #69 of 238 countries — see the Romania population page for the full statistics and the Romania atlas for provinces, terrain and society maps.

Cities near Iaşi

Within 200 km · straight-line distance
CityDistancePopulation
Roman
Neamț County
58 km67,819
Bacău
Bacău County
85 km136,087
Botoşani
Botoșani County
96 km90,010
Piatra Neamţ
Neamț County
100 km102,688
Bârlad
Vaslui County
104 km67,818
Suceava
Suceava
114 km84,308
Galaţi
Galați County
195 km217,851

Largest cities in Romania

Top 10 · all 30 →
#CityRegionPopulation
1BucharestCapitalBucharest1,877,155
2IaşiIași County378,954
3ConstanţaConstanța County317,832
4Cluj-NapocaCluj County286,598
5BraşovBrașov County253,200
6TimişoaraTimiș County250,849
7CraiovaDolj234,140
8GalaţiGalați County217,851
9Târgu MureşMureș County212,752
10OradeaBihor County183,105

Frequently asked questions

What is the population of Iaşi?

Iaşi has about 378,954 inhabitants according to the latest official census or estimate compiled by GeoNames. This is the city proper; the metropolitan area is larger.

Is Iaşi the capital of Romania?

No. The capital of Romania is Bucharest (1,877,155 people), about 325 km away. Iaşi is the 2nd largest city of the country and a regional capital.

How big is Iaşi compared with the rest of Romania?

Its 378,954 residents are 2% of the 18,768,237 people living in Romania today. Bucharest is larger with 1,877,155 people.

Where is Iaşi?

In Iași County, Romania, at latitude 47.17 and longitude 27.6, 66 m above sea level. Nearby large cities include Roman (58 km), Bacău (85 km), Botoşani (96 km).

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APAGlostats. (2026). Iaşi Population 2026 — Romania. Retrieved October 20, 2026, from https://glostats.com/cities/romania/iasi/
HTML<a href="https://glostats.com/cities/romania/iasi/">Iaşi Population 2026 — Romania</a> — Glostats

Figures on this page may be quoted, charted or republished as long as the page is credited with a link. Terms · Download the data as CSV · Embed a live counter.

City populations are GeoNames figures (CC BY 4.0): the latest official census or estimate for the city proper — the municipality, not the wider metropolitan area — so they can differ from "metro area" numbers you see elsewhere. Country populations are live Glostats estimates from the UN World Population Prospects. Distances are great-circle distances between city centres. Page generated 2026-10-20. More about our data.