'Dona Ana' definitions:

Dona Ana, NM -- U.S. Census Designated Place in New Mexico

From: Gazetteer 2000
Name :
Dona Ana, NM -- U.S. Census Designated Place in New Mexico
Population (2000) :
1379
Housing Units (2000) :
465
Land area (2000) :
0.731441 sq. miles (1.894424 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
0.731441 sq. miles (1.894424 sq. km)
FIPS code :
21110
Located within :
New Mexico (NM), FIPS 35
Location :
32.390928 N, 106.815844 W
Note :
some ZIP codes may be omitted esp. for suburbs.

Dona Ana -- U.S. County in New Mexico

From: Gazetteer 2000
Name :
Dona Ana -- U.S. County in New Mexico
Population (2000) :
174682
Housing Units (2000) :
65210
Land area (2000) :
3807.183598 sq. miles (9860.559833 sq. km)
Water area (2000) :
7.436001 sq. miles (19.259154 sq. km)
Total area (2000) :
3814.619599 sq. miles (9879.818987 sq. km)
Located within :
New Mexico (NM), FIPS 35
Location :
32.274123 N, 106.781670 W