Olaine's 2026 population is now estimated at 12,475. In 1979, the population of Olaine was 13,612. Olaine experienced a decrease of -145 residents over the past year, marking an annual decline of -1.15%. These population values and projections come from Latvia city census counts via CityPopulation fallback access, Latvia city estimates via CityPopulation fallback access, Latvia CSB IRD081 population by cities and towns (2021, 2025) and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Riga | 590,260 | -0.81% |
| Daugavpils | 77,513 | -0.78% |
| Liepaja | 67,286 | -0.2% |
| Jelgava | 54,709 | -0.23% |
| Jurmala | 52,449 | 0.86% |
| Ventspils | 32,563 | -0.49% |
| Rezekne | 26,327 | -0.39% |
| Valmiera | 22,772 | -0.18% |
| Ogre | 22,702 | -0.24% |
| Jekabpils | 20,863 | -0.72% |
| Salaspils | 17,855 | -0.06% |
| Marupe | 17,453 | 3.88% |
| Tukums | 15,681 | -0.63% |
| Cesis | 15,449 | 0.36% |
| Sigulda | 14,669 | 0.55% |
| Olaine | 12,475 | -1.15% |
| Bauska | 11,215 | -0.3% |
| Kuldiga | 11,181 | -0.55% |
| Saldus | 11,152 | 0% |
| Talsi | 9,183 | -0.39% |
| Saulkrasti | 9,162 | 2.77% |
| Dobele | 9,050 | -0.45% |
| Adazi | 8,438 | 2.5% |
| Ikskile | 7,564 | 0.54% |
| Ludza | 7,387 | -0.58% |
| Kraslava | 7,067 | -1.79% |
| Limbazi | 7,053 | -1.33% |
| Gulbene | 6,866 | -0.95% |
| Livani | 6,814 | -1% |
| Balozi | 6,729 | -0.15% |
| Madona | 6,595 | -0.81% |
| Aizkraukle | 6,549 | -1.64% |
| Lielvarde | 6,106 | -0.02% |
| Preili | 6,077 | -1.54% |
| Aluksne | 6,008 | -1.51% |
| Smiltene | 5,401 | -0.57% |
| Iecava | 4,939 | -0.7% |
| Kekava | 4,918 | -0.49% |
| Balvi | 4,905 | -1.37% |
| Valka | 4,526 | 0.69% |
| Aizpute | 4,177 | -1.56% |
| Grobina | 3,999 | 0.98% |
| Baldone | 3,712 | 0.16% |
| Kandava | 3,247 | -0.79% |
| Vangazi | 3,157 | -0.72% |
| Vilani | 2,994 | -1.29% |
| Broceni | 2,873 | 0.95% |
| Rujiena | 2,780 | -0.96% |
| Plavinas | 2,669 | -0.04% |
| Auce | 2,607 | -0.87% |
| Koknese | 2,444 | -0.65% |
| Salacgriva | 2,092 | -0.85% |
| Kegums | 2,053 | -0.34% |
| Dagda | 2,041 | -1.88% |
| Ilukste | 2,008 | -1.52% |
| Priekule | 1,926 | -0.1% |
| Karsava | 1,894 | -1.15% |
| Skrunda | 1,773 | -2.1% |
| Varaklani | 1,729 | -1.82% |
| Jaunjelgava | 1,654 | -1.31% |
| Mazsalaca | 1,545 | -0.96% |
| Viesite | 1,522 | -0.91% |
| Stende | 1,509 | -0.79% |
| Lubana | 1,447 | -1.5% |
| Zilupe | 1,265 | -1.79% |
| Valdemarpils | 1,152 | -0.43% |
| Vilaka | 1,152 | -1.62% |
| Cesvaine | 1,148 | -0.95% |
| Seda | 1,103 | 0.18% |
| Sabile | 1,079 | 0.28% |
| Aloja | 1,052 | -1.03% |
| Ligatne | 1,004 | 0% |
| Strenci | 948 | -0.32% |
| Akniste | 922 | -2.12% |
| Pavilosta | 856 | 0% |
| Ape | 802 | -1.23% |
| Piltene | 801 | -1.35% |
| Staicele | 750 | -2.09% |
| Ainazi | 632 | -0.94% |
| Subate | 500 | -3.1% |
| Durbe | 480 | -1.23% |