National protected area

• Belfast Wildlife Management Area (part)
• Sumter National Forest (part)

State and local protected areas

• Belfast Wildlife Management Area^[8]
• Broad River Scenic Area
• Dreher Island State Park
• Rocky Branch Natural Area

Major water bodies

• Broad River
• Bush River
• Camping Creek
• Cannon's Creek
• Enoree River
• Lake Murray
• Parr Shoals Reservoir
• Saluda River

Adjacent counties

• Union County – north
• Fairfield County – east
• Lexington County – southeast
• Richland County – southeast
• Saluda County – south
• Greenwood County – southwest
• Laurens County – northwest

Major highways

• I-26
• US 76
• US 176
• 
  US 176 Conn.
• SC 34
• 
  SC 34 Conn.
• SC 39
• SC 56
• SC 66
• SC 72
• 
  SC 72 Conn.
• SC 121
• SC 202
• SC 213
• SC 219
• SC 391
• SC 395
• SC 560

Major infrastructure

• Newberry County Water & Sewer Authority
• Newberry Electric Cooperative
• Clinton-Newberry Natural Gas Authority

2020 census

As of the 2020 census, there were 37,719 people, 14,810 households, and 9,705 families residing in the county.

2010 census

At the 2010 census, there were 37,508 people, 14,709 households, and 10,129 families living in the county.^[14][12] The population density was 59.5 inhabitants per square mile (23.0/km²). There were 17,922 housing units at an average density of 28.4 per square mile (11.0/km²).^[15] The racial makeup of the county was 62.1% white, 31.0% black or African American, 0.3% Asian, 0.3% American Indian, 0.1% Pacific islander, 5.0% from other races, and 1.2% from two or more races. Those of Hispanic or Latino origin made up 7.2% of the population.^[14] In terms of ancestry, 16.8% were German, 14.2% were American, 9.0% were English, and 7.7% were Irish.^[16]

Of the 14,709 households, 32.1% had children under the age of 18 living with them, 46.3% were married couples living together, 17.2% had a female householder with no husband present, 31.1% were non-families, and 27.0% of all households were made up of individuals. The average household size was 2.47 and the average family size was 2.97. The median age was 39.9 years.^[14]

The median income for a household in the county was $41,815 and the median income for a family was $49,560. Males had a median income of $38,146 versus $28,961 for females. The per capita income for the county was $21,410. About 13.3% of families and 16.6% of the population were below the poverty line, including 25.6% of those under age 18 and 10.9% of those age 65 or over.^[17]

2000 census

At the 2000 census,^[18] there were 36,108 people, 14,026 households and 9,804 families living in the county. The population density was 57 people per square mile (22 people/km²). There were 16,805 housing units at an average density of 27 per square mile (10/km²). The racial makeup of the county was 64.02 percent White, 33.12 percent Black or African American, 0.28 percent Native American, 0.29 percent Asian, 0.09 percent Pacific Islander, 1.30 percent from other races, and 0.90 percent from two or more races. Some 4.25 percent of the population were Hispanic or Latino of any race.

There were 14,026 households, out of which 30.4 percent had children under the age of 18 living with them, 49.2 percent were married couples living together, 16.1 percent had a female householder with no husband present, and 30.1 percent were non-families. 26.5 percent of all households were made up of individuals, and 12 percent had someone living alone who was 65 years of age or older. The average household size was 2.5 and the average family size was 2.99.

In the county, the population was spread out, with 24.1 percent under the age of 18, 9.8 percent from 18 to 24, 27.6 percent from 25 to 44, 23.7 percent from 45 to 64, and 14.7 percent who were 65 years of age or older. The median age was 37 years. For every 100 females there were 93.20 males. For every 100 females age 18 and over, there were 89.8 males.

The median income for a household in the county was $32,867, and the median income for a family was $40,580. Males had a median income of $29,871 versus $21,274 for females. The per capita income for the county was $16,045. About 13.6 percent of families and 17 percent of the population were below the poverty line, including 23.8 percent of those under age 18 and 16 percent of those age 65 or over.

Cities

• Newberry (county seat and largest community)

Towns

• Little Mountain
• Peak
• Pomaria
• Prosperity
• Silverstreet
• Whitmire

Census-designated place

• Helena

Other unincorporated communities

• Chappells
• Stoney Hill
• Jalapa
• Kinards (partly in Laurens County)