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Mazatlán, 
Mexico
409,143 people lived in Mazatlán in 2025. It is the 1379th largest of the world's 12,138 cities, and the 33rd largest in Mexico.
The UN measures every city in the world the same way, by where the buildings are rather than where the boundary runs, so this figure and Mazatlán's own can differ widely. What counts as a city here.
Verified 2026-09-30 · 73 canaries
People · every five years · 1975 to 2050
How Mazatlán grew
For every 10 people in Mazatlán in 1975, there were 23.8 in 2025.
On the UN's projection it will have 426,732 people in 2050. It passed 250,000 people between 1985 and 1990.
projected (after 2025) · how sure the UN is: high moderate low
How to read this: one column every five years, 1975 to 2050; its height is the number of people. Hatched columns are the UN's projection. The thin strip beneath says how sure the UN is of each figure: the stronger the colour, the surer. A blank means the place was not on the UN's list of cities that year.
People · your family's years · 1975 to 2050
Mazatlán through your family’s years
Put in the years your family were born. You’ll see how many people lived in Mazatlán in each of those years, and when each of them turned 30.
Mexico · every city · 2025
Where it is
How to read this: every dot is one of the 186 cities in Mexico in 2025, and a dot's area is how many people live there, the biggest being Mexico City. The ringed dot in colour is Mazatlán; the grey dots are the rest. The outlines around them are neighbouring countries.
Area and built-up land · km²
How much land it covers
In 2025, Mazatlán covered 78 km², and buildings, roads and other built-up land covered 20 km² of it. That is 49 m² of built-up land for each person, about a square 7 by 7 metres. Since 1975, its built-up land has grown to 2.6 times its size, and its people are 2.4 times as many.
How to read this: pale is the whole of the city's land; the stronger square inside it is what is actually built on. The three are drawn to the same scale, so a larger square really is more land, and hatching means the year is the UN's projection rather than a count.
Of every 100 people in Mexico
Its share of Mexico
Of every 1,000 people in Mexico in 2025, 3 lived in Mazatlán, which is 409,143 people.
How to read this: 1,000 squares, one for every 1,000th person in Mexico; the coloured squares live in Mazatlán. The grey rest live in other cities, in towns or in the countryside.
Ranked by people · 2025
Cities of a similar size
In the world, 2025
- 1375 Kongolo Democratic Republic of the Congo410,371
- 1376 Huangyan District China410,213
- 1377 Windhoek Namibia409,758
- 1378 Nganjuk Indonesia409,447
- 1379 Mazatlán409,143
- 1380 Dongtai China409,015
- 1381 Uíge Angola408,927
- 1382 Makurdi Nigeria408,753
- 1383 Kendari Indonesia408,731
In Mexico, 2025
- 1023 Matamoros540,236
- 1101 Oaxaca de Juárez502,534
- 1152 Villahermosa481,525
- 1219 Irapuato456,628
- 1379 Mazatlán409,143
- 1408 Tepic401,753
- 1529 La Paz372,988
- 1534 Celaya372,139
- 1733 Nuevo Laredo331,195
How to read this: names are in order of size, the leading number being each city's rank among all 12,138 in 2025; the bars share a scale within a list. A jump in the ranks means a city under 300,000 people, which is not given a page here.
Apparatus
Sources and method
The figures for Mazatlán are the UN's own, at five-year steps: an estimate for each of 1975 to 2025, then projection to 2050. Projected years are drawn hatched, and the UN publishes no range of uncertainty for a city. What a city means here, how the UN measures one, and why that number can differ from the one Mazatlán publishes about itself: how the figures here are put together.
Sources: UN WUP 2025 · Natural Earth · flag-icons. Every source, its licence and how to cite it →
Verified 2026-09-30 · 73 canaries