Quick facts
Samut Prakan overview
Samut Prakan (orange) and the other large cities of Thailand
Samut Prakan lies in Thailand at 13.6°N, 100.6°E, about 2 m above sea level. The local time zone is Asia/Bangkok (UTC+7); GeoNames classifies it as a regional capital.
It is smaller than Bangkok (5,104,476) and larger than Mueang Nonthaburi (254,375). The largest city in Thailand is Bangkok with 5,104,476 people; the capital, Bangkok, has 5,104,476.
The national capital, Bangkok, is about 20 km away; the nearest large city is Bangkok, 20 km from Samut Prakan.
Thailand as a whole has a live population of 71,542,148 (-0.1% a year) and ranks #20 of 238 countries — see the Thailand population page for the full statistics and the Thailand atlas for provinces, terrain and society maps.
Cities near Samut Prakan
| City | Distance | Population |
|---|---|---|
| BangkokCapital Bangkok | 20 km | 5,104,476 |
| Bang Kruai Nonthaburi | 27 km | 78,305 |
| Mueang Nonthaburi Nonthaburi | 31 km | 254,375 |
| Pak Kret Nonthaburi | 37 km | 190,272 |
| Chon Buri Chon Buri | 49 km | 219,164 |
| Khlong Luang Pathum Thani | 52 km | 118,551 |
| Nakhon Pathom Nakhon Pathom | 65 km | 117,927 |
| Ban I Chang Ratchaburi | 77 km | 119,858 |
Largest cities in Thailand
| # | City | Region | Population |
|---|---|---|---|
| 1 | BangkokCapital | Bangkok | 5,104,476 |
| 2 | Samut Prakan | Samut Prakan | 388,920 |
| 3 | Mueang Nonthaburi | Nonthaburi | 254,375 |
| 4 | Chon Buri | Chon Buri | 219,164 |
| 5 | Hat Yai | Songkhla | 191,696 |
| 6 | Pak Kret | Nonthaburi | 190,272 |
| 7 | Lampang | Lampang | 156,139 |
| 8 | Kabin Buri | Prachin Buri | 140,056 |
| 9 | Surat Thani | Surat Thani | 132,040 |
| 10 | Udon Thani | Udon Thani | 130,531 |
Frequently asked questions
What is the population of Samut Prakan?
Samut Prakan has about 388,920 inhabitants according to the latest official census or estimate compiled by GeoNames. This is the city proper; the metropolitan area is larger.
Is Samut Prakan the capital of Thailand?
No. The capital of Thailand is Bangkok (5,104,476 people), about 20 km away. Samut Prakan is the 2nd largest city of the country and a regional capital.
How big is Samut Prakan compared with the rest of Thailand?
Its 388,920 residents are 0.5% of the 71,542,148 people living in Thailand today. Bangkok is larger with 5,104,476 people.
Where is Samut Prakan?
In Thailand, at latitude 13.6 and longitude 100.6, 2 m above sea level. Nearby large cities include Bangkok (20 km), Bang Kruai (27 km), Mueang Nonthaburi (31 km).
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Cite or link to this page
Glostats. (2026). Samut Prakan Population 2026 — Thailand. Retrieved October 20, 2026, from https://glostats.com/cities/thailand/samut-prakan/<a href="https://glostats.com/cities/thailand/samut-prakan/">Samut Prakan Population 2026 — Thailand</a> — GlostatsFigures 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.