Whetstone is a census-designated place (CDP) in Cochise County, Arizona, United States, north of Sierra Vista. The population was 2,617 at the 2010 census.^[2]

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Whetstone, Arizona
CDP
Location of Whetstone in Cochise County, Arizona.
Whetstone, Arizona Location in the United States
Coordinates: 31°42′14″N 110°20′53″W
Country	United States
State	Arizona
County	Cochise
Area [1]
• Total	93.96 sq mi (243.36 km2)
• Land	93.96 sq mi (243.34 km2)
• Water	0.01 sq mi (0.01 km2)
Elevation	4,072 ft (1,241 m)
Population  (2020)
• Total	3,236
• Density	34.44/sq mi (13.30/km2)
Time zone	UTC-7 (MST (no DST))
ZIP code	85616
Area code	520
FIPS code	04-82155
GNIS feature ID	0024685

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Whetstone was often referred to as the "Y" because the intersection of State routes 82 and 90 had an eastbound lane on 90 and a southbound lane on 82 that created a Y at the intersection. Highway 90 ended one to two miles further north and people traveling north had to go via highway 82 east or west and then north on either highway 83 or highway 80.^{[citation needed]}

Whetstone is located at 31°42′14″N 110°20′53″W (31.703917, -110.347996).^[3]

According to the United States Census Bureau, the CDP has a total area of 11.8 square miles (31 km²), all land.

As of the census^[5] of 2000, there were 2,354 people, 904 households, and 664 families residing in the CDP. The population density was 199.5 inhabitants per square mile (77.0/km²). There were 1,056 housing units at an average density of 89.5 per square mile (34.6/km²). The racial makeup of the CDP was 84.0% White, 2.9% Black or African American, 1.2% Native American, 0.9% Asian, 6.5% from other races, and 4.5% from two or more races. 13.8% of the population were Hispanic or Latino of any race.

There were 904 households, out of which 32.7% had children under the age of 18 living with them, 57.2% were married couples living together, 10.7% had a female householder with no husband present, and 26.5% were non-families. 20.7% of all households were made up of individuals, and 6.9% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 3.02.

In the CDP, the age distribution of the population shows 27.4% under the age of 18, 5.6% from 18 to 24, 25.3% from 25 to 44, 28.0% from 45 to 64, and 13.7% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 97.3 males. For every 100 females age 18 and over, there were 95.0 males.

The median income for a household in the CDP was $34,507, and the median income for a family was $37,656. Males had a median income of $32,083 versus $25,424 for females. The per capita income for the CDP was $16,370. About 13.4% of families and 20.0% of the population were below the poverty line, including 32.3% of those under age 18 and 1.3% of those age 65 or over.