Population in largest city rose 1.49% to 1.42 mil in Costa Rica in 2021, according to the National Statistical Office.
Historically, population in largest city in Costa Rica reached an all time high of 1.42 mil in 2021 and an all time low of 0.230 mil in 1960. When compared to Costa Rica's main peers, population in largest city in Guatemala amounted to 2.98 mil, 1.49 mil in Honduras, 1.07 mil in Nicaragua and 1.90 mil in Panama in 2021.
Costa Rica has been ranked 102nd within the group of 153 countries we follow in terms of population in largest city, 3 places below the position seen 10 years ago.
| Population in the Largest City | Unit | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
| Belize | mil | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| Colombia | mil | 9.71 | 9.99 | 10.3 | 10.6 | 10.8 | ||||||||||||||||
| Costa Rica | mil | 1.30 | 1.32 | 1.34 | 1.36 | 1.38 | ||||||||||||||||
| El Salvador | mil | 1.10 | 1.10 | 1.10 | 1.11 | 1.11 | ||||||||||||||||
| Guatemala | mil | 2.74 | 2.78 | 2.81 | 2.85 | 2.89 | ||||||||||||||||
| Honduras | mil | 1.23 | 1.27 | 1.32 | 1.36 | 1.40 | ||||||||||||||||
| Mexico | mil | 21.3 | 21.4 | 21.5 | 21.6 | 21.7 | ||||||||||||||||
| Nicaragua | mil | 1.03 | 1.03 | 1.04 | 1.05 | 1.06 | ||||||||||||||||
| Panama | mil | 1.67 | 1.71 | 1.75 | 1.78 | 1.82 | ||||||||||||||||
| USA | mil | 18.6 | 18.7 | 18.8 | 18.8 | 18.8 |
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