Nocona Hills is an unincorporated community and census-designated place in Montague County, Texas, United States. Its population was 675 as of the 2010 census.

According to the U.S. Census Bureau, the community has an area of 6.306 square miles (16.33 km); 5.205 square miles (13.48 km) of its area is land, and 1.101 square miles (2.85 km) is water.

Historical population

Census	Pop.	Note	%±
2010	675		—
2020	637		−5.6%
U.S. Decennial Census 1850–1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2020

Nocona Hills first appeared as a census designated place in the 2010 U.S. Census.

Nocona Hills CDP, Texas – Racial and ethnic composition
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.

Race / Ethnicity (NH = Non-Hispanic)	Pop 2010	Pop 2020	% 2010	% 2020
White alone (NH)	624	552	92.44%	86.66%
Black or African American alone (NH)	5	3	0.74%	0.47%
Native American or Alaska Native alone (NH)	4	3	0.59%	0.47%
Asian alone (NH)	0	3	0.00%	0.47%
Pacific Islander alone (NH)	0	1	0.00%	0.16%
Other race alone (NH)	0	3	0.00%	0.47%
Mixed race or Multiracial (NH)	6	34	0.89%	5.34%
Hispanic or Latino (any race)	36	38	5.33%	5.97%
Total	675	637	100.00%	100.00%