7th most populous of 33
With 75,151 residents in 2024, Lea County ranks 7th by population among New Mexico's 33 counties and is home to 3.5% of the state's residents.

Lea County has the largest immigrant share in New Mexico (18.3% foreign-born) and the fastest real GDP growth in 2024 (+19.2%).
Lea County is home to 75,151 people (2024 estimate) on 4,392 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.
Pick an indicator to see its long-run evolution.
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 75,151 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 64,727 | 2010 · U.S. Census Bureau |
| Population, 2000 | 55,264 | July 1, 2000 · Census intercensal |
| Change since 2000 | +36.0% | 2000–2024 · Census |
| International migration | +1,671 | 2024 · Census Vintage 2024 |
| Domestic migration | −271 | 2024 · Census Vintage 2024 |
| Birth rate | 11.6 per 1,000 | 2024 · calculated |
| Death rate | 8.3 per 1,000 | 2024 · calculated |
| Population rank in New Mexico | 7th of 33 | 2024 · calculated |
| Per capita personal income | $59,387 | BEA, 2024 · official |
| Gross domestic product | $12.9 billion | BEA, current dollars, 2024 · official |
| Median household income | $68,015 | ACS 2020–2024 5-year · official |
| Poverty rate | 18.7% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 15.5% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 18.3% | ACS 2020–2024 5-year · official |
| Median home value | $184,000 | ACS 2020–2024 5-year · official |
| Median gross rent | $1,101/month | ACS 2020–2024 5-year · official |
| Median age | 32.5 years | ACS 2020–2024 5-year · official |
| Households | 24,670 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 71.2% | ACS 2020–2024 5-year · official |
Comparable indicators for Lea County, New Mexico and the United States.
| Indicator | County | New Mexico | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | +0.9% | +0.6% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 11.6 | 9.8 | 10.6 | 2024 |
| Death rate (per 1,000) | 8.3 | 10.5 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 18.6 | 4.9 | 8.2 | 2024 |
| Population density (/mi²) | 17.1 | 17.6 | 96.3 | 2024 |
| Per capita personal income | $59,387 | $58,249 | $73,204 | BEA, 2024 |
| Median household income | $68,015 | $64,059 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 18.7% | 17.8% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 15.5% | 31.0% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 18.3% | 9.4% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $184,000 | $248,100 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $1,101/month | $1,067/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 32.5 years | 39.4 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 71.2% | 70.0% | 65.2% | ACS 2020–2024 5-year |
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With 75,151 residents in 2024, Lea County ranks 7th by population among New Mexico's 33 counties and is home to 3.5% of the state's residents.
Its population went from 55,264 in 2000 to 75,151 in 2024, a change of +36.0%, compared with +17.0% for New Mexico as a whole.
In the year to July 2024 the county recorded 868 births and 627 deaths, so births outnumbered deaths by 241.
Annual Census estimates since 2000 put the county's highest population in 2024, at 75,151.
Lea County has about 17.1 residents per square mile of land, ranking 9th of 33 counties; New Mexico averages 17.6.
With a median household income of $68,015 (ACS 2020–2024 5-year), the county ranks 6th of 33 New Mexico counties; the state median is $64,059.
Its economy produced $12.9 billion of GDP in 2024 (BEA), 2nd largest among 33 New Mexico counties.
Real GDP grew 19.2% in 2024, adjusted for inflation (BEA, chained 2017 dollars).