Last official estimated population of Lea County was 64,644 (year 2014)[1]. This was 0.02% of total US population and 3.1% of total New Mexico state population. Area of Lea County is 4,394.0 mi² (=11380.5 km²), in this year population density was 14.71 p/mi². If population growth rate would be same as in period 2010-2014 (-0.03%/yr), Lea County population in 2026 would be 64,396 [0].
Historical population of Lea County for period 1890-2014 [1] , [2] , [3]:
Estimated population for 2014[1]. Population density is in p./sq.mi [4]. Changes are for period 2010-2015. Value is %/year. Boundary lines are approx. 2012 [5]. Click on flag to hide it.
Population • Density • Changes • Legends • Position

[1890-1900] NAN %/yr
[1900-1910] NAN %/yr
[1910-1920] +INF %/yr
[1920-1930] +5.65 %/yr
[1930-1940] +13.16 %/yr
[1940-1950] +3.8 %/yr
[1950-1960] +5.69 %/yr
[1960-1970] -0.75 %/yr
[1970-1980] +1.23 %/yr
[1980-1990] -0.04 %/yr
[1990-2000] -0.04 %/yr
[2000-2005] +0.99 %/yr
[2005-2010] +2.1 %/yr
[2010-2014] -0.03 %/yr
Looking for settlements in Lea County? Visit this page: Settlements in Lea County, NM
Population of Lea County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 3049 | 2967 | 6,016 |
| 5 to 9 | 3309 | 3119 | 6,428 |
| 10 to 14 | 2927 | 2727 | 5,654 |
| 15 to 19 | 2609 | 2496 | 5,105 |
| 20 to 24 | 2780 | 2359 | 5,139 |
| 25 to 29 | 2794 | 2425 | 5,219 |
| 30 to 34 | 2869 | 2334 | 5,203 |
| 35 to 39 | 2339 | 2082 | 4,421 |
| 40 to 44 | 2056 | 2022 | 4,078 |
| 45 to 49 | 2025 | 1872 | 3,897 |
| 50 to 54 | 2327 | 1985 | 4,312 |
| 55 to 59 | 2060 | 1915 | 3,975 |
| 60 to 64 | 1595 | 1644 | 3,239 |
| 65 to 69 | 1158 | 1189 | 2,347 |
| 70 to 74 | 782 | 933 | 1,715 |
| 75 to 79 | 640 | 750 | 1,390 |
| 80 to 84 | 414 | 540 | 954 |
| 85+ | 349 | 558 | 907 |
Lea County resident population estimates by Sex, Race, and Hispanic Origin[1b]. For full list of abbrevations see: population.us/about page.
| Race | Male | Female | Total |
| WAC | 33376 | 31662 | 65,038 |
| WA | 32796 | 31204 | 64,000 |
| H | 20295 | 18674 | 38,969 |
| HWAC | 19462 | 17989 | 37,451 |
| HWA | 19252 | 17795 | 37,047 |
| NH | 15787 | 15243 | 31,030 |
| NHWAC | 13914 | 13673 | 27,587 |
| NHWA | 13544 | 13409 | 26,953 |
| BAC | 1959 | 1585 | 3,544 |
| BA | 1681 | 1372 | 3,053 |
| NHBAC | 1557 | 1249 | 2,806 |
| NHBA | 1369 | 1116 | 2,485 |
| IAC | 1023 | 825 | 1,848 |
| IA | 726 | 583 | 1,309 |
| TOM | 617 | 484 | 1,101 |
| HIAC | 547 | 465 | 1,012 |
| NHIAC | 476 | 360 | 836 |
| HIA | 430 | 350 | 780 |
| HBAC | 402 | 336 | 738 |
| NHTOM | 397 | 278 | 675 |
| AAC | 288 | 285 | 573 |
| HBA | 312 | 256 | 568 |
| NHIA | 296 | 233 | 529 |
| AA | 217 | 236 | 453 |
| NHAAC | 209 | 218 | 427 |
| HTOM | 220 | 206 | 426 |
| NHAA | 163 | 192 | 355 |
| HAAC | 79 | 67 | 146 |
| NAC | 66 | 54 | 120 |
| HAA | 54 | 44 | 98 |
| NA | 45 | 38 | 83 |
| HNAC | 31 | 30 | 61 |
| NHNAC | 35 | 24 | 59 |
| HNA | 27 | 23 | 50 |
| NHNA | 18 | 15 | 33 |
• Ector County population
82 mi,
141°
• Chaves County
72.6 mi,
302°
• Eddy County
57 mi,
245°
• Gaines County
45.6 mi,
94°
• Andrews County
56.1 mi,
126°
• Terry County
67.4 mi,
67°
• Yoakum County
42.1 mi,
53°
• Winkler County
69.8 mi,
162°
• Cochran County
65.5 mi,
30°
• Loving County
66.3 mi,
187°
[0] Calculated by population.us from last known population growth rate, not official data.
[1] County population - 2014, archived from the original, retrieved 02/23/2016
[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) archived from the original, retrieved 02/23/2016
[2] County population - 2000-2010, archived from the original, retrieved 02/23/2016
[3] Population of States and Counties of the United States: 1790 to 1992, PDF, 15 Mb, census.gov, retrieved 02/23/2016
[4] County area, latitude longitude data, retrieved 02/23/2016
[5] County boundaries, CSV files on boundaries.us, retrived 03/18/2016
*Eddy, Chaves New Mexico Notes
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