🌆 Largest Cities in Thailand
Cities of Thailand with more than 15,000 inhabitants, ranked by population (GeoNames).
Bangkok41%
Samut Prakan3.1%
Mueang Nonthaburi2%
Chon Buri
Phra Pradaeng
Bang Khae
Hat Yai
Pak Kret
Sai Mai
Si Racha
Latkrabang
Watthana
Khlong Sam Wa
Bang Khun Thian
Lat Krabang
Chatuchak
Ban Khlong Prawet
Chom Thong
Nong Chok
Lampang
Nong Khaem
Bang Kapi
Bueng Kum
Kabin Buri
Surat Thani
Udon Thani
Din Daeng
Chiang Mai
Nakhon Ratchasima
Hua Hin
Bang Sue
Ban Samae Dam
Ubon Ratchathani
Lat Phrao
Phasi Charoen
Ban I Chang
Thon Buri
Khlong Luang
Nakhon Pathom
Bangkok Noi
10 others9%
1
BangkokBangkok
5,104,476
2
Samut PrakanSamut Prakan
388,920
3
Mueang NonthaburiNonthaburi
254,375
4
Chon BuriChon Buri
219,164
5
Phra PradaengSamut Prakan
196,129
6
Bang KhaeBangkok
193,002
7
Hat YaiSongkhla
191,696
8
Pak KretNonthaburi
190,272
9
Sai MaiBangkok
188,123
10
Si RachaChon Buri
178,916
11
LatkrabangBangkok
173,987
12
WatthanaBangkok
171,150
13
Khlong Sam WaBangkok
169,489
14
Bang Khun ThianBangkok
165,491
15
Lat KrabangBangkok
163,175
16
ChatuchakBangkok
160,906
17
Ban Khlong PrawetBangkok
160,671
18
Chom ThongBangkok
158,005
19
Nong ChokBangkok
157,138
20
LampangLampang
156,139
21
Nong KhaemBangkok
150,218
22
Bang KapiBangkok
147,800
23
Bueng KumBangkok
145,830
24
Kabin BuriPrachin Buri
140,056
25
Surat ThaniSurat Thani
132,040
26
Udon ThaniUdon Thani
130,531
27
Din DaengBangkok
130,220
28
Chiang MaiChiang Mai
127,240
29
Nakhon RatchasimaNakhon Ratchasima
126,391
30
Hua HinPrachuap Khiri Khan
126,355
31
Bang SueBangkok
125,440
32
Ban Samae DamBangkok
125,133
33
Ubon RatchathaniUbon Ratchathani
122,533
34
Lat PhraoBangkok
122,182
35
Phasi CharoenBangkok
122,070
36
Ban I ChangRatchaburi
119,858
37
Thon BuriBangkok
119,708
38
Khlong LuangPathum Thani
118,551
39
Nakhon PathomNakhon Pathom
117,927
40
Bangkok NoiBangkok
117,793
41
Thung KhruBangkok
116,473
42
PattayaChon Buri
116,417
43
Suan LuangBangkok
115,658
44
Wang ThonglangBangkok
114,768
45
Khon KaenKhon Kaen
114,459
46
Lak SiBangkok
109,770
47
Khlong ToeiBangkok
109,041
48
DusitBangkok
107,655
49
RayongRayong
106,737
50
Taling ChanBangkok
105,299
Highlights
Within Thailand, Bangkok ranks first in 2026 with 5,104,476, followed by Samut Prakan (388,920) and Mueang Nonthaburi (254,375).
Bangkok is 13 times higher than Samut Prakan, the runner-up.
Across 50 entries, values run from 5,104,476 (Bangkok) to 105,299 (Taling Chan), with a median of 131,286.
Source: GeoNames, cities with more than 15,000 inhabitants, 2026. Unit: people.
Source: GeoNames, cities with more than 15,000 inhabitants · CC BY 4.0 (GeoNames) · fetched Oct 14, 2026 — GeoNames aggregates census and estimate figures, so the reference year varies by city, and a few figures cover the metropolitan area rather than the city proper.