TLDR
Estado de México (the State of México — not Mexico City) is the most populous entity in the country, and it isn’t close. It logged 16,992,418 people in the 2020 census and has since pushed past 17.6 million. Mexico City, Jalisco, Veracruz, and Puebla round out the top five. Together, the seven biggest states hold roughly half of the country’s population, and the reasons why have almost nothing to do with land area.
Table of Contents
- The Full Ranking: All 32 States by Population
- Why the Biggest States Got That Way
- Population vs. Land Area: The Real Story
- Where the Data Comes From
The Full Ranking: All 32 States by Population
Most lists of the biggest states in Mexico by population still lean on 2010 figures, or they bury the ranking under a table of raw numbers and never explain any of it. Here’s the current picture, based on the 2020 census — the last full count INEGI (Mexico’s national statistics institute) has actually run door to door.
| Rank | State | Population (2020 Census) |
|---|---|---|
| 1 | México | 16,992,418 |
| 2 | Ciudad de México | 9,209,944 |
| 3 | Jalisco | 8,348,151 |
| 4 | Veracruz | 8,062,579 |
| 5 | Puebla | 6,583,278 |
| 6 | Guanajuato | 6,166,934 |
| 7 | Nuevo León | 5,784,442 |
| 8 | Chiapas | 5,543,828 |
| 9 | Michoacán | 4,748,846 |
| 10 | Oaxaca | 4,132,148 |
| 11 | Baja California | 3,769,020 |
| 12 | Chihuahua | 3,741,869 |
| 13 | Guerrero | 3,540,685 |
| 14 | Tamaulipas | 3,527,735 |
| 15 | Coahuila | 3,146,771 |
| 16 | Hidalgo | 3,082,841 |
| 17 | Sinaloa | 3,026,943 |
| 18 | Sonora | 2,944,840 |
| 19 | San Luis Potosí | 2,822,255 |
| 20 | Tabasco | 2,402,598 |
| 21 | Querétaro | 2,368,467 |
| 22 | Yucatán | 2,320,898 |
| 23 | Morelos | 1,971,520 |
| 24 | Quintana Roo | 1,857,985 |
| 25 | Durango | 1,832,650 |
| 26 | Zacatecas | 1,622,138 |
| 27 | Aguascalientes | 1,425,607 |
| 28 | Tlaxcala | 1,342,977 |
| 29 | Nayarit | 1,235,456 |
| 30 | Campeche | 928,363 |
| 31 | Baja California Sur | 798,447 |
| 32 | Colima | 731,391 |
A few things jump out immediately. The gap between first and second place is enormous — Estado de México has roughly 7.8 million more people than Mexico City, despite the two sharing a border and, for most practical purposes, a metro area. And the bottom of the list is a cluster of peninsula and coastal states — Colima, Baja California Sur, Campeche — that combined don’t add up to what Puebla holds on its own.
INEGI’s more recent Intercensal Survey (conducted in late 2025) put the national total above 130 million, and Estado de México specifically at around 17.6 million. Jalisco, Veracruz, and Puebla have moved up too, but the order of the top five hasn’t shifted since 2020.
Why the Biggest States Got That Way
Estado de México isn’t a farming state that happens to have a lot of people — it’s the overflow tank for Mexico City. Municipalities like Ecatepec and Nezahualcóyotl are technically in México state but function as dense, continuous urban sprawl with the capital. People priced out of Mexico City proper, or working there but unable to afford housing inside it, moved a few kilometers over the state line and stayed. That single dynamic accounts for most of the state’s population, far more than anything happening in its more rural south.
Ciudad de México is the country’s political, financial, and cultural center, and it draws people the way capitals do everywhere — government jobs, corporate headquarters, universities. It’s also landlocked into one of the smallest territories of any entity in the country, which is why its number two population ranking translates into by far the highest density on this list. The metro area built around it — spilling into México, Hidalgo, Puebla, Morelos, and Tlaxcala — now holds an estimated 33 million people, more than a quarter of the country, according to research from the University of Waterloo.
Jalisco got big on manufacturing and then got bigger on tech. Guadalajara has spent the last two decades building out an electronics and software cluster serious enough that people call it Mexico’s Silicon Valley, and that kind of job base pulls in workers from across the west of the country, not just locals staying put.
Veracruz owes its size to geography that predates any modern industry: it’s a long coastal strip along the Gulf, with the country’s busiest port at its namesake city and a population spread across dozens of mid-sized cities rather than concentrated in one metro area. That spread is part of why it doesn’t show up in headlines the way Jalisco or Nuevo León does — there’s no single “Veracruz City” anchoring it.
Puebla benefits from proximity — close enough to Mexico City to absorb its economic gravity, far enough to have its own identity, industry (Volkswagen’s largest plant outside Germany sits here), and university system that keeps young people from leaving.
Guanajuato and Nuevo León are both automotive and industrial hubs, but for different reasons. Guanajuato’s central location put it on the assembly-plant corridor that runs through the Bajío region. Nuevo León, anchored by Monterrey, built its size on being the border-adjacent industrial capital of the north — a role reinforced by decades of maquiladora manufacturing along the US border, which the Federal Reserve Bank of Dallas has tracked as one of the more durable engines of employment in Mexico’s northern states.
Chiapas, by contrast, is populous without much industrial pull behind it — it’s a story of high birth rates and a largely rural, agricultural population rather than migration toward jobs.
Population vs. Land Area: The Real Story
Most rankings list population and land area on the same page and then never connect them. Here’s the connection: total population tells you almost nothing about how crowded a place actually feels, and land area alone tells you nothing about why.
Take Ciudad de México. It covers about 1,495 square kilometers — one of the smallest territories of any state in the country — yet holds over 9.2 million people. That works out to roughly 6,100 people per square kilometer, by far the highest density in Mexico and in the same range as major global cities.
Estado de México, despite having nearly double CDMX’s population, covers about 22,357 square kilometers. Its density comes out closer to 760 people per square kilometer — high by national standards, but nowhere near the capital’s, because the population is distributed across dozens of municipalities rather than crammed into one urban core.
Now flip it. Chihuahua ranks 12th by population but covers more territory than any other state — about 247,400 square kilometers, more land than the entire United Kingdom. Most of that is Chihuahuan desert and sparsely populated ranchland, so its density drops to somewhere around 15 people per square kilometer, one of the lowest figures on the list. Baja California Sur tells a similar story on a smaller scale: 32nd in population but a large peninsula footprint, which puts its density in single digits.
The takeaway: a state’s population rank and its “how full does it feel” rank are two different lists. México and Chihuahua both sit in the top half by raw population, but one feels like a suburb of the capital and the other feels, in most of its territory, empty.
Where the Data Comes From
The population figures above come from INEGI’s 2020 Censo de Población y Vivienda, Mexico’s national population and housing census — the same source cited by every serious ranking of Mexico’s most populous states. INEGI’s 2025 Intercensal Survey has since produced updated national and state-level estimates, which is why the numbers you’ll see in the news right now (Estado de México at 17.6 million, for instance) run slightly ahead of the 2020 figures used in the table. For state-by-state comparisons, though, the 2020 census remains the most complete, granular dataset available, which is why it’s the baseline here.
