Purnia's 2025 population is now estimated at 566,482. In 1950, the population of Purnia was 24,605. Purnia has grown by 16,167 in the last year, which represents a 2.94% annual change.These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Purnia, which typically includes Purnia's population in addition to adjacent suburban areas.
| City | 2025 Pop. ↓ | Growth |
|---|---|---|
| Delhi | 34,665,600 | 2.54% |
| Mumbai | 22,089,000 | 1.92% |
| Kolkata | 15,845,200 | 1.76% |
| Bangalore | 14,395,400 | 2.76% |
| Chennai | 12,336,000 | 2.34% |
| Hyderabad | 11,337,900 | 2.43% |
| Ahmedabad | 9,061,820 | 2.34% |
| Surat | 8,581,730 | 3.02% |
| Pune | 7,525,720 | 2.45% |
| Jaipur | 4,411,110 | 2.38% |
| Kozhikode | 4,387,410 | 3.38% |
| Malappuram | 4,343,910 | 3.8% |
| Lucknow | 4,132,670 | 2.34% |
| Thrissur | 3,719,980 | 3.18% |
| Kochi | 3,604,550 | 2.78% |
| Indore | 3,482,830 | 2.64% |
| Kanpur | 3,345,370 | 1.8% |
| Nagpur | 3,170,180 | 2.05% |
| Coimbatore | 3,158,720 | 2.43% |
| Thiruvananthapuram | 3,072,530 | 2.96% |
| Patna | 2,689,540 | 2.14% |
| Bhopal | 2,686,290 | 2.34% |
| Agra | 2,478,340 | 2.31% |
| Kannur | 2,465,140 | 2.47% |
| Visakhapatnam | 2,440,420 | 2.32% |
| Vadodara | 2,424,920 | 2.17% |
| Nashik | 2,351,140 | 2.48% |
| Vijayawada | 2,350,700 | 2.62% |
| Kollam | 2,252,170 | 3.22% |
| Rajkot | 2,150,330 | 2.54% |
| Ludhiana | 2,028,680 | 2.02% |
| Raipur | 1,923,440 | 2.8% |
| Madurai | 1,911,650 | 2.12% |
| Meerut | 1,874,890 | 2.15% |
| Varanasi | 1,826,010 | 2.07% |
| Tiruppur | 1,783,690 | 2.99% |
| Srinagar | 1,777,610 | 2.31% |
| Jamshedpur | 1,767,760 | 2.15% |
| Aurangabad | 1,767,330 | 2.44% |
| Jodhpur | 1,664,420 | 2.41% |
| Ranchi | 1,621,720 | 2.37% |
| Kota | 1,599,350 | 2.62% |
| Jabalpur | 1,582,200 | 2.01% |
| Asansol | 1,565,300 | 2.04% |
| Gwalior | 1,543,500 | 2.3% |
| Allahabad | 1,523,670 | 2.03% |
| Amritsar | 1,511,110 | 2.07% |
| Dhanbad | 1,441,800 | 1.93% |
| Bareilly | 1,413,250 | 2.36% |
| Aligarh | 1,379,560 | 2.49% |
| Moradabad | 1,369,880 | 2.54% |
| Mysore | 1,345,720 | 2.22% |
| Bhubaneswar | 1,320,910 | 2.46% |
| Durg-Bhilainagar | 1,315,330 | 1.99% |
| Tiruchirappalli | 1,269,900 | 2% |
| Chandigarh | 1,266,010 | 2.12% |
| Saharanpur | 1,242,490 | 2.87% |
| Hubli-Dharwad | 1,231,020 | 2.12% |
| Guwahati | 1,224,170 | 2.06% |
| Salem | 1,220,710 | 2.17% |
| Siliguri | 1,191,400 | 2.76% |
| Jalandhar | 1,167,600 | 2.18% |
| Solapur | 1,108,180 | 1.84% |
| Warangal | 1,080,490 | 2.36% |
| Dehradun | 1,041,060 | 2.43% |
| Guntur | 962,403 | 2.36% |
| Bhiwandi | 943,921 | 2.08% |
| Firozabad | 941,758 | 2.56% |
| Puducherry | 940,911 | 2.35% |
| Cherthala | 931,015 | 3.24% |
| Kottayam | 885,396 | 3.72% |
| Nellore | 858,853 | 2.53% |
| Bikaner | 853,869 | 2.16% |
| Kayamkulam | 838,870 | 3.13% |
| Muzaffarnagar | 836,997 | 2.76% |
| Amravati | 824,965 | 2.07% |
| Gorakhpur | 816,586 | 1.86% |
| Cuttack | 804,914 | 1.94% |
| Belgaum | 799,729 | 2.13% |
| Malegaon | 799,708 | 2.27% |
| Tirupati | 797,302 | 2.82% |
| Mangalore | 778,685 | 2.01% |
| Nanded Waghala | 772,996 | 2.31% |
| Bhavnagar | 766,887 | 2.05% |
| Kurnool | 765,324 | 2.6% |
| Gulbarga | 751,802 | 2.27% |
| Jammu | 751,521 | 1.8% |
| Durgapur | 740,728 | 2.07% |
| Jhansi | 706,823 | 2.1% |
| Erode | 705,586 | 2.21% |
| Jamnagar | 691,018 | 1.81% |
| Bokaro Steel City | 687,933 | 1.96% |
| Patiala | 684,928 | 2.53% |
| Bilaspur | 682,488 | 2.47% |
| Raurkela | 676,909 | 1.97% |
| Agartala | 670,388 | 2.74% |
| Kolhapur | 669,008 | 1.9% |
| Ujjain | 668,371 | 2.11% |
| Ajmer | 664,708 | 1.93% |
| Mathura | 664,568 | 2.39% |
| Imphal | 662,452 | 2.6% |
| Hosur | 646,438 | 4.04% |
| Thoothukkudi | 643,924 | 2.57% |
| Sangli | 635,803 | 1.99% |
| Udaipur | 629,951 | 2.17% |
| Jalgaon | 628,788 | 2.24% |
| Vellore | 625,881 | 2.1% |
| Gaya | 623,751 | 2.13% |
| Tirunelveli | 616,444 | 1.99% |
| Panipat | 611,170 | 2.25% |
| Rajahmundry | 593,031 | 2% |
| Begusarai | 586,584 | 3.56% |
| Bellary | 585,914 | 2.35% |
| Muzaffarpur | 567,318 | 2.35% |
| Purnia | 566,482 | 2.94% |
| Kakinada | 563,735 | 2.06% |
| Davanagere | 563,332 | 2.1% |
| Latur | 537,088 | 2.3% |
| Bhagalpur | 525,429 | 2.07% |
| Rohtak | 522,082 | 2.29% |
| Shillong | 520,140 | 2.41% |
| Anantapur | 510,372 | 2.47% |
| Raniganj | 507,918 | 3.43% |
| Bhilwara | 507,328 | 2.32% |
| Kadapa | 500,470 | 2.39% |
| Yamunanagar | 495,719 | 2.1% |
| English Bazar | 489,722 | 2.57% |
| Hardwar | 489,320 | 2.59% |
| Sagar | 481,894 | 2.12% |
| Alwar | 481,531 | 2.32% |
| Akola | 481,186 | 1.77% |
| Dhulian | 476,915 | 3.18% |
| Rampur | 473,662 | 2.22% |
| Gandhidham | 465,869 | 3.03% |
| Baharampur | 464,829 | 2.51% |
| Bijapur | 464,807 | 2.33% |
| Ottappalam | 464,748 | 3.13% |
| Karnal | 458,934 | 2.5% |
| Barddhaman | 458,031 | 2.15% |
| Korba | 456,114 | 2.02% |
| Karimnagar | 450,584 | 2.49% |
| Brahmapur | 446,017 | 2.02% |
| Junagadh | 444,160 | 2.28% |
| Dhule | 441,297 | 1.86% |
| Dindigul | 438,664 | 2.47% |
| Ahmadnagar | 432,248 | 1.79% |
| Deoghar | 428,967 | 3.32% |
| Anand | 419,844 | 2.4% |
| Bihar Sharif | 418,625 | 2.31% |
| Roorkee | 415,859 | 2.84% |
| Bathinda | 415,294 | 2.39% |
| Aizawl | 414,881 | 2.32% |
| Santipur | 412,323 | 2.33% |
| Palakkad | 411,827 | 2.3% |
| Shimoga | 410,755 | 2.06% |
| Ranipet | 407,021 | 2.53% |
| Karur | 405,879 | 2.83% |
| Maunath Bhanjan | 403,370 | 2.38% |
| Shahjahanpur | 400,731 | 1.82% |
| Kanhangad | 399,488 | 2.84% |
| Tumkur | 399,268 | 2.15% |
| Ichalkaranji | 398,872 | 1.97% |
| Morvi | 398,763 | 2.6% |
| Dewas | 396,079 | 2.24% |
| Parbhani | 394,363 | 2.08% |
| Hisar | 387,141 | 2.04% |
| Khammam | 382,803 | 2.4% |
| Darbhanga | 382,707 | 2% |
| Habra | 382,033 | 2.07% |
| Haldwani | 381,677 | 2.7% |
| Satna | 381,322 | 2.2% |
| Chandrapur | 379,670 | 1.89% |
| Farrukhabad | 379,548 | 2.12% |
| Jalna | 376,403 | 2.15% |
| Navsari | 374,793 | 2.16% |
| Arrah | 369,680 | 2.32% |
| Thanjavur | 369,140 | 2.05% |
| Nizamabad | 357,286 | 1.81% |
| Hapur | 356,615 | 2.22% |
| Kharagpur | 351,911 | 1.86% |
| Ratlam | 346,299 | 2.04% |
