Adjacent counties

• Sandoval County - north
• Santa Fe County - east
• Torrance County - east
• Valencia County - south
• Cibola County - west

National protected areas

• Cibola National Forest (part)
• El Camino Real de Tierra Adentro National Historic Trail (part)
• Petroglyph National Monument

2000 census

As of the census^[13] of 2000, there were 556,678 people, 220,936 households, and 141,178 families living in the county, making Bernalillo the most populous county in the state.^[1] The population density was 477 inhabitants per square mile (184 inhabitants/km²). There were 239,074 housing units at an average density of 205 units per square mile (79/km²). The racial makeup of the county was 70.75% White, 2.77% Black or African American, 4.16% Native American, 1.93% Asian, 0.10% Pacific Islander, 16.07% from other races, and 4.22% from two or more races. 41.96% of the population were Hispanic or Latino of any race.

There were 220,936 households, out of which 31.40% had children under the age of 18 living with them, 46.00% were married couples living together, 12.90% had a female householder with no husband present, and 36.10% were non-families. 28.50% of all households were made up of individuals, and 7.90% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 3.06.

In the county, the population was spread out, with 25.30% under the age of 18, 10.30% from 18 to 24, 30.40% from 25 to 44, 22.40% from 45 to 64, and 11.50% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 95.50 males. For every 100 females age 18 and over, there were 92.90 males.

The median income for a household in the county was $38,788, and the median income for a family was $46,613. Males had a median income of $33,720 versus $26,318 for females. The per capita income for the county was $20,790. About 10.20% of families and 13.70% of the population were below the poverty line, including 17.90% of those under age 18 and 9.10% of those age 65 or over.

2010 census

As of the 2010 United States Census, there were 662,564 people, 266,000 households, and 164,104 families living in the county.^[14] The population density was 570.8 inhabitants per square mile (220.4 inhabitants/km²). There were 284,234 housing units at an average density of 244.9 units per square mile (94.6 units/km²).^[15] The racial makeup of the county was 69.4% white, 4.8% American Indian, 3.0% black or African American, 2.3% Asian, 0.1% Pacific islander, 16.0% from other races, and 4.4% from two or more races. Those of Hispanic or Latino origin made up 47.9% of the population.^[14] The largest ancestry groups were:^[16]

Of the 266,000 households, 31.9% had children under the age of 18 living with them, 41.4% were married couples living together, 14.1% had a female householder with no husband present, 38.3% were non-families, and 30.4% of all households were made up of individuals. The average household size was 2.45 and the average family size was 3.07. The median age was 35.8 years.^[14]

The median income for a household in the county was $47,481 and the median income for a family was $59,809. Males had a median income of $42,189 versus $34,432 for females. The per capita income for the county was $26,143. About 11.8% of families and 15.6% of the population were below the poverty line, including 22.8% of those under age 18 and 9.8% of those age 65 or over.^[17]

County Commission

County offices

New Mexico Senate

Congressional

Melanie Stansbury (D) is the representative for the 1st Congressional District.

Gabe Vasquez (D) is the representative for the 2nd Congressional District.

Presidential

In presidential elections prior to 1992, Bernalillo County primarily voted for Republican Party candidates, only supporting three Democratic candidates in six elections total. (Franklin D. Roosevelt four times, Harry S. Truman and Lyndon B. Johnson once each). From 1992 on, the county has backed Democratic Party candidates in every presidential election. While the margins were relatively narrow from 1992 to 2004, since then the county has tilted strongly Democratic similar to many urban counties nationwide.

Cities

• Albuquerque (3) (county seat)
• Rio Rancho (partial)

Town

• Edgewood (partial)

Villages

• Los Ranchos de Albuquerque (1)
• Tijeras (6)

Census-designated places

Unincorporated communities

• Alameda
• Isleta Pueblo
• Laguna Pueblo
• Sandia Pueblo (partial)
• Zuzax