Whitmore is an unincorporated community and census-designated place (CDP) in Shasta County, California. Its population is 311 as of the 2020 census. Its zip code is 96096, and wired telephone numbers follow the pattern 530-472-xxxx, which is shared by the neighboring communities of Oak Run and Ingot. There is one store and gas station, as well as a consignment/antique shop known as The Way Station. The store is next to the Whitmore post office. There are two churches, Whitmore Grace Community Church, and the Whitmore Seventh-Day Advent.

In the state legislature Whitmore is in the 4th Senate District, represented by Republican Doug LaMalfa, and in the 2nd Assembly District, represented by Republican Jim Nielsen.

Federally, Whitmore is in California's 1st congressional district, represented by Republican Doug LaMalfa.

This region experiences hot and dry summers,. According to the Köppen Climate Classification system, Whitmore has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps.

Historical population

Census	Pop.	Note	%±
2020	311		—
U.S. Decennial Census 1850–1870 1880-1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2020

Whitmore first appeared as a census designated place in the 2020 U.S. Census.

Whitmore CDP, California – 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 2020	% 2020
White alone (NH)	246	79.10%
Black or African American alone (NH)	0	0.00%
Native American or Alaska Native alone (NH)	4	1.29%
Asian alone (NH)	13	4.18%
Pacific Islander alone (NH)	1	0.32%
Other race alone (NH)	0	0.00%
Mixed race or Multiracial (NH)	25	8.04%
Hispanic or Latino (any race)	22	7.07%
Total	311	100.00%

Vida Blue used to own ranch land in Whitmore.