RANKING · 2024 ACS · 33 SHOWN OF 33

Lowest fertility rate, New Mexico counties

New Mexico counties with the lowest general fertility rate, births per 1,000 women ages 15-50 in the past 12 months (2024 ACS). This list covers the 33 counties in New Mexico that qualify, ranked against each other statewide. The median across all 33 is 47.8.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

RANKPLACESTATEPOPBIRTHS PER 1,000 WOMEN (15-50)VS 2010

01Catron County, NMNM3,8270.0–

02Mora County, NMNM4,0510.0–

03Quay County, NMNM8,4546.6−85%

04Taos County, NMNM34,56414.1−64%

05Colfax County, NMNM12,18419.7−74%

06Sierra County, NMNM11,39528.7+63%

07Union County, NMNM3,84428.8+31%

08Grant County, NMNM27,25233.7−41%

09Otero County, NMNM70,36836.8−48%

10Torrance County, NMNM16,10038.7−39%

11McKinley County, NMNM68,11939.1−22%

12Hidalgo County, NMNM3,92943.1−68%

13Bernalillo County, NMNM667,60145.1−22%

14Santa Fe County, NMNM156,90745.6−17%

15Rio Arriba County, NMNM39,83246.1−30%

16Sandoval County, NMNM159,56546.9−24%

17San Juan County, NMNM120,34047.8−36%

18Cibola County, NMNM26,80749.3+9%

19San Miguel County, NMNM26,26050.9−13%

20Luna County, NMNM25,40751.1+76%

21Chaves County, NMNM63,36455.1−30%

22Harding County, NMNM61756.7−72%

23Socorro County, NMNM15,83859.7−25%

24Doña Ana County, NMNM229,09160.9−1%

25Roosevelt County, NMNM18,61561.1−16%

26Guadalupe County, NMNM4,34365.4+89%

27Lincoln County, NMNM19,84466.3+23%

28Eddy County, NMNM62,50968.9+8%

29Lea County, NMNM74,74979.7+13%

30Valencia County, NMNM82,01383.9+39%

31Los Alamos County, NMNM19,40796.9+258%

32Curry County, NMNM46,655122.0+50%

33De Baca County, NMNM1,647614.9+1085%

SHOWING 1–33 OF 33

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES