Oaxaca Population Overview

Oaxaca (Spanish: Estado Libre y Soberano de Oaxaca) is a southwestern Mexican state bordered by Guerrero, Puebla, Veracruz, and Chiapas. It is the 10th most populated state in Mexico and ranks 5th largest by area. As per the Censo de Población y Vivienda 2020, Oaxaca had a population of 4,132,148 (4.13 million). Its population accounts for 3.3% of Mexico’s total population, with a population growth rate of 8.68% during 2010–2020.

👉 Projected population of Oaxaca in 2026 ~ 4.3 million.

Oaxaca Census 2020 – Key Statistics

IndicatorsValue
Total Population4,132,148 (4.13 million)
Male Population1,974,843
Female Population2,157,305
Male-Female Ratio91.5 men per 100 women
Population Rank10th
Total Land Area22,351 km² (8,630 sq mi)
Area Rank5th
Population Density44/km² (114/sq mi)
Life Expectancy74.2 years
Median Age28 years
Urban Population49%
Capital CityOaxaca de Juárez

Source: Censo de Población y Vivienda 2020

Also read about: Mexico Population 

Oaxaca Historical Population

Oaxaca has seen moderate population growth over the past century, with the highest increase between 1980 and 1990. The population growth rate during 2010–2020 was 8.68%.

Decadal Population Growth

Census YearPopulation (millions)Percentage Change
19000.90
19101.00+11.11%
19211.00+0.0%
19301.10+10.0%
19401.20+9.09%
19501.40+16.67%
19601.70+21.43%
19702.00+17.65%
19802.40+20.0%
19903.00+25.0%
20003.40+13.33%
20103.80+11.76%
20204.13+8.68%

Source: Censo de Población y Vivienda 2020

Top Cities in Oaxaca by Population

Oaxaca has a number of important cities that serve as cultural, economic, and administrative hubs. The capital, Oaxaca de Juárez, is the largest city, while other towns like San Juan Bautista Tuxtepec and Juchitán de Zaragoza are also significant centers of population and activity.

Largest Cities in Oaxaca

RankMunicipalityPopulation
1Oaxaca de Juárez258,913
2San Juan Bautista Tuxtepec103,609
3Juchitán de Zaragoza88,280
4Santa Cruz Xoxocotlán81,848
5Salina Cruz76,660
6Huajuapan de León56,163
7Santa Lucía del Camino45,895
8Santo Domingo Tehuantepec45,134
9Santiago Pinotepa Nacional33,726
10Loma Bonita31,469

Source: Censo de Población y Vivienda 2020

Religion in Oaxaca

Oaxaca is religiously diverse, with Catholicism being the largest faith, while Protestant and Evangelical Christian communities form a significant minority. A smaller portion of the population identifies with no religion or other faiths.

Oaxaca Religion Percentage

ReligionPercentage
Catholic75.5%
Protestant, Evangelical Christian15.8%
No religion6.1%
Unaffiliated religion2.2%
Other Religion0.1%

Source: Censo de Población y Vivienda 2020

Also read about: Religion in Mexico

 

Indigenous Population in Oaxaca

Oaxaca is home to one of the largest indigenous populations in Mexico. Many residents speak native languages, with Zapotec and Mixtec being the most widely spoken across the state.

🗣️ Indigenous Languages in Oaxaca

Indigenous LanguageNumber of Speakers
Zapotec420,324
Mixtec267,221
Mazatec170,155
Mixe118,882

Total Indigenous Language Speakers (age 3+): 1,221,555

Source: Censo de Población y Vivienda 2020

Also read about: Race and Ethnicity in Mexico

 

❓ FAQs about Oaxaca Population

  • What is the population of Oaxaca in 2026?
    👉 The projected population of Oaxaca in 2026 is approximately 4.3 million.

  • What is Oaxaca’s rank by population in Mexico?
    👉 Oaxaca is the 10th most populated state in Mexico.

  • What are the major religions in Oaxaca?
    👉 Catholicism is the largest religion (75.5%), followed by Protestant/Evangelical Christian (15.8%), with 6.1% of the population having no religion.

  • How many people speak an indigenous language in Oaxaca?
    👉 Around 1,221,555 people over the age of 3 speak an indigenous language, with Zapotec, Mixtec, Mazatec, and Mixe being the most common.

  • What is the capital city of Oaxaca?
    👉 The capital of Oaxaca is Oaxaca de Juárez.

Oaxaca Population 2026: Demographics, Religion & Indigenous Languages

About the Author & Data

USCanadaInfo is an independent informational website focused on demographics, population statistics, and ethnic trends in Canada and the United States. All information on this site is compiled from publicly available, official sources such as Statistics Canada, the U.S. Census Bureau, government publications, and reputable media outlets. Population figures, percentages, and projections are based on census data, historical trends, and immigration statistics. Content is provided for general informational and educational purposes only and does not constitute legal, financial, immigration, or policy advice. While every effort is made to ensure accuracy, figures may change due to future census updates, revised estimates, or data corrections. about our methodology → https://uscanadainfo.com/methodology/