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Mainpuri, 
India
347,106 people lived in Mainpuri in 2025. It is the 1648th largest of the world's 12,138 cities, and the 267th largest in India.
Like every city on this site, Mainpuri is counted as a built-up area seen from above rather than as a city government's territory. Why that changes the number.
Verified 2026-09-30 · 73 canaries
People · every five years · 1975 to 2050
How Mainpuri grew
Count 10 people in Mainpuri in 1975 and the same count gives 13.2 in 2025.
On the UN's projection it will have 432,060 people in 2050.
projected (after 2025) · how sure the UN is: high moderate low
How to read this: read it left to right, 1975 to 2050, one column every five years, the height being people. Hatching marks the projected years. Below, a strip of the UN's confidence: strong colour where the census maps are recent and detailed, pale where they are not, blank where the place was not counted as a city.
People · your family's years · 1975 to 2050
Mainpuri through your family’s years
Put in the years your family were born. You’ll see how many people lived in Mainpuri in each of those years, and when each of them turned 30.
India · every city · 2025
Where it is
How to read this: every dot is one of the 2,054 cities in India in 2025, and a dot's area is how many people live there, the biggest being New Delhi. The ringed dot in colour is Mainpuri; 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, Mainpuri covered 31 km², and buildings, roads and other built-up land covered 5.5 km² of it. That is 16 m² of built-up land for each person, about a square 4 by 4 metres. Since 1975, its built-up land has grown to 4.2 times its size, and its people have grown by 32%.
How to read this: each pale square is the city's whole area, the strong square inside it the part that is built on; one scale for all three, so a bigger square is more land. Hatched is the UN's projection.
Of every 100 people in India
Its share of India
Fewer than 1 in every 1,000 people in India lived in Mainpuri in 2025 — about 1 in 4,167.
Ranked by people · 2025
Cities of a similar size
In the world, 2025
- 1644 Kitchener Canada347,723
- 1645 Portmore Jamaica347,722
- 1646 Ondjiva Angola347,591
- 1647 Southampton United Kingdom347,446
- 1648 Mainpuri347,106
- 1649 Khammam346,533
- 1650 Burhanpur346,277
- 1651 Galle Sri Lanka346,263
- 1652 Francisco Morato Brazil346,105
In India, 2025
- 1628 Karimnagar351,832
- 1633 Purulia350,713
- 1634 Dahod350,660
- 1639 Simri348,804
- 1648 Mainpuri347,106
- 1649 Khammam346,533
- 1650 Burhanpur346,277
- 1664 Etah344,002
- 1669 Tiruvannamalai342,795
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 Mainpuri 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 Mainpuri 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