All towns and agglomerations in Kerala having more than 20,000 inhabitants.
| | Name | C Cf 1991-03-01 | A Cf 1991-03-01 | C Cf 2001-03-01 | A Cf 2001-03-01 |
| < | Adūr {Adur} | 26,639 | ... | 28,952 | ... |
| | Alangad | ... | ... | 40,596 | ... |
| < | Alappuzha (Alleppey) | 174,666 | 264,969 | 177,029 | 282,675 |
| < | Aluva (Alwaye) | 24,774 | Kochi | 24,110 | Kochi |
| | Anakkayam | ... | ... | 28,211 | Malappuram |
| < | Ancharakandy | 20,683 | ... | 21,878 | ... |
| < | Angamāli {Angamali} | 30,391 | Kochi | 33,409 | Kochi |
| < | Arūr {Arur} | 31,642 | ... | 35,283 | ... |
| < | Attingal | 32,634 | ... | 35,693 | ... |
| < | Azhikode North | 19,277 | Thalassery | 22,002 | Thalassery |
| < | Azhikode South | 23,077 | Thalassery | 23,949 | Thalassery |
| < | Beypore | 56,505 | Kozhikode | 66,895 | Kozhikode |
| < | Chālakudi {Chalakudi} | 45,069 | ... | 48,380 | ... |
| < | Changanācheri (Changanassery) {Changanacheri} | 52,445 | ... | 51,967 | ... |
| < | Chāvakkād {Chavakkad} | 37,789 | Guruvāyūr | 38,138 | Guruvāyūr |
| < | Chendamangalam | 26,825 | ... | 28,147 | ... |
| < | Chengamanad | ... | ... | 29,784 | Kochi |
| < | Chengannūr {Chengannur} | 25,872 | ... | 25,397 | ... |
| < | Cheranallur | 21,407 | Kochi | 26,316 | Kochi |
| < | Cherthala (Shertallai) | 43,326 | ... | 45,105 | 141,558 |
| < | Cheruthazham | 23,099 | ... | 26,239 | ... |
| < | Cheruvannur | 50,556 | Kozhikode | 57,110 | Kozhikode |
| < | Cheruvathur | ... | ... | 25,653 | Kanhangad |
| < | Chirakkal | 39,838 | Thalassery | 43,287 | Thalassery |
| < | Chittūr (-Thathamangalam) {Chittur} | 32,048 | ... | 31,886 | 67,935 |
| < | Chockli | 31,642 | ... | 31,772 | ... |
| < | Chūrnikkara {Churnikkara} | 34,837 | Kochi | 37,017 | Kochi |
| < | Dharmadom | 26,705 | Thalassery | 29,162 | Thalassery |
| < | Edathala | 56,397 | ... | 67,754 | ... |
| | Elathur | ... | ... | 40,923 | Kozhikode |
| < | Elayavūr {Elayavur} | 29,239 | Thalassery | 31,537 | Thalassery |
| < | Elūr {Elur} | ... | ... | 30,094 | Kochi |
| < | Eranholi | 23,584 | Thalassery | 24,604 | Thalassery |
| < | Erāttupetta {Erattupetta} | 21,226 | ... | 29,682 | ... |
| | Eriyad | ... | ... | 25,016 | Kodungallūr |
| < | Ferokh | ... | ... | 29,505 | ... |
| < | Guruvāyūr {Guruvayur} | 20,216 | 118,632 | 21,186 | 138,681 |
| < | Irinjālakuda {Irinjalakuda} | 27,491 | ... | 28,873 | ... |
| | Kadalundi | ... | ... | 39,099 | Kozhikode |
| < | Kadirur | 26,586 | ... | 28,989 | ... |
| < | Kadungallūr {Kadungallur} | 25,433 | Kochi | 35,463 | Kochi |
| | Kakkanad | ... | ... | 22,486 | Kochi |
| | Kakkodi | ... | ... | 36,097 | Kozhikode |
| < | Kalamassery | 54,342 | Kochi | 63,116 | Kochi |
| | Kalarkode | ... | ... | 26,964 | Alappuzha |
| < | Kalliasseri | 25,005 | ... | 28,068 | ... |
| < | Kalpetta | 22,949 | ... | 29,612 | ... |
| < | Kanhangad (Kānnangād) | 57,165 | 118,214 | 65,503 | 129,367 |
| < | Kanjikkuzhi | ... | ... | 22,127 | ... |
| < | Kannur (Cannanore) | 65,238 | Thalassery | 63,797 | Thalassery |
| < | Karuvanthuruthy | 18,983 | Kozhikode | 20,772 | Kozhikode |
| < | Kāsaragod {Kasaragod} | 50,126 | ... | 52,634 | 75,968 |
| < | Kāyamkulam {Kayamkulam} | 67,151 | ... | 68,585 | ... |
| | Kedamangalam | ... | ... | 21,620 | Kochi |
| < | Kochi (Cochin) | 564,589 | 1,140,605 | 595,575 | 1,355,972 |
| < | Kodungallūr {Kodungallur} | 31,249 | ... | 33,539 | 94,883 |
| | Koduvally | ... | ... | 26,826 | Kozhikode |
| < | Kollam (Quilon) | 139,852 | 362,572 | 361,560 | 380,091 |
| < | Komalapuram | 37,253 | Alappuzha | 43,291 | Alappuzha |
| < | Kotamangalam | 35,535 | ... | 37,173 | ... |
| < | Kottayam | 63,155 | 166,552 | 60,728 | 172,878 |
| < | Kottuvally | 34,457 | Kochi | 38,037 | Kochi |
| < | Kovalam | ... | ... | 28,746 | Thiruvananthapuram |
| < | Kozhikode (Calicut) | 419,831 | 801,190 | 436,556 | 880,247 |
| < | Kudappanakunnu | ... | ... | 38,175 | Thiruvananthapuram |
| < | Kudlu | ... | ... | 23,334 | Kāsaragod |
| < | Kunnamangalam | ... | ... | 40,204 | Kozhikode |
| < | Kunnamkulam | ... | ... | 51,592 | ... |
| < | Kūthuparamba {Kuthuparamba} | 28,907 | ... | 29,532 | ... |
| < | Malappuram | 49,692 | 142,204 | 58,491 | 170,409 |
| < | Manjeri | 69,334 | Malappuram | 83,707 | Malappuram |
| < | Maradu | 34,995 | Kochi | 41,012 | Kochi |
| | Marutharode | ... | ... | 21,697 | Palakkad |
| < | Mattannūr {Mattannur} | 40,506 | ... | 44,313 | ... |
| < | Māvelikara {Mavelikara} | 28,299 | ... | 28,439 | ... |
| < | Māvūr {Mavur} | 26,144 | ... | 27,845 | ... |
| < | Methala | 23,512 | Kodungallūr | 36,328 | Kodungallūr |
| < | Muhamma | 22,541 | Cherthala | 24,518 | Cherthala |
| < | Mulavukad | 22,322 | Kochi | 22,842 | Kochi |
| < | Mūvattupula {Muvattupula} | 27,595 | ... | 29,246 | ... |
| < | Muzhappilangad | 18,812 | Thalassery | 21,949 | Thalassery |
| | Nattakam | ... | ... | 39,756 | Kottayam |
| < | Nedumangād {Nedumangad} | 49,875 | ... | 56,138 | ... |
| < | Neyyāttinkara {Neyyattinkara} | 30,419 | ... | 69,467 | ... |
| < | Nileshwar | ... | ... | 23,869 | Kanhangad |
| < | Olavanna | 28,382 | Kozhikode | 30,915 | Kozhikode |
| < | Ottappālam {Ottappalam} | 44,186 | ... | 49,242 | ... |
| < | Palāi {Palai} | 21,892 | ... | 22,640 | ... |
| < | Palakkad (Pālghāt) | 123,289 | 180,033 | 130,767 | 197,369 |
| < | Pallikkunnu | 25,057 | Thalassery | 26,965 | Thalassery |
| < | Panniyannur | 19,312 | ... | 20,863 | ... |
| < | Panthīramkavu {Panthiramkavu} | 16,016 | Kozhikode | 24,502 | Kozhikode |
| < | Pāppinisseri {Pappinisseri} | 30,754 | ... | 33,273 | ... |
| < | Paravūr {Paravur} | 37,185 | ... | 38,652 | ... |
| < | Parūr (Paravūr) {Parur} | 27,906 | Kochi | 30,059 | Kochi |
| < | Pathanāmthitta {Pathanamthitta} | 35,882 | ... | 38,009 | ... |
| < | Payyannūr {Payyannur} | 64,032 | ... | 68,734 | ... |
| < | Peringathur | 35,035 | ... | 37,699 | ... |
| < | Perintalamanna | 39,027 | ... | 44,612 | ... |
| < | Perumbaikad | 39,363 | Kottayam | 42,984 | Kottayam |
| < | Perumpāvūr {Perumpavur} | 24,667 | ... | 26,547 | ... |
| < | Ponnāni {Ponnani} | 51,770 | ... | 87,495 | ... |
| < | Punalūr {Punalur} | 46,279 | ... | 47,235 | ... |
| < | Punnapra | ... | ... | 35,391 | Alappuzha |
| < | Puthuppariyaram | ... | ... | 27,770 | Palakkad |
| < | Puzhathi | 30,616 | Thalassery | 33,471 | Thalassery |
| < | Quilāndi {Quilandi} | ... | ... | 68,982 | ... |
| < | Ramanattukara | 25,672 | Kozhikode | 30,440 | Kozhikode |
| < | Shoranūr {Shoranur} | 39,550 | ... | 42,029 | ... |
| < | Sree Karayam | ... | ... | 21,431 | Thiruvananthapuram |
| < | Taliparamba | 60,226 | ... | 67,507 | ... |
| < | Thalassery (Tellicherry) | 103,579 | 463,962 | 99,387 | 498,207 |
| | Thanneermukkam | ... | ... | 30,866 | Cherthala |
| < | Thiruvananthapuram (Trivandrum) | 524,006 | 826,225 | 744,983 | 889,635 |
| < | Thiruvankulam | 18,412 | Kochi | 21,717 | Kochi |
| < | Thodupuzha | 40,656 | ... | 46,246 | ... |
| < | Thottada | 33,261 | Thalassery | 36,358 | Thalassery |
| < | Thrippunithura | 51,078 | Kochi | 59,884 | Kochi |
| < | Thrissur (Trichūr) | 74,604 | 275,053 | 317,526 | 330,122 |
| < | Tirūr {Tirur} | 49,453 | ... | 53,654 | ... |
| < | Tiruvalla | 54,780 | ... | 56,837 | ... |
| < | Vadakara (Badagara) | 72,434 | 102,430 | 75,847 | 124,083 |
| < | Vaikam | 21,788 | ... | 22,641 | ... |
| < | Varappuzha | 22,514 | Kochi | 24,524 | Kochi |
| < | Varkkallai | 38,987 | ... | 40,728 | ... |
| < | Vattiyoorkavu | ... | ... | 41,890 | Thiruvananthapuram |
| < | Vayalar | ... | ... | 24,216 | Cherthala |
| < | Vazhakkala | 18,975 | Kochi | 43,078 | Kochi |
| | Vijayapuram | ... | ... | 29,410 | Kottayam |
| < | Villiappally | ... | ... | 31,772 | Vadakara |