Alexander County Demographics
A map of Alexander County's Population by Race
Alexander County, North Carolina has an estimated population of 36,412, a less than 1% change from the 36,444 recorded in the 2020 Census. The population is 85.5% White, 5.6% Hispanic, 5.0% Black, 2.8% Multiracial, 1.0% Asian, and 0.1% Native American/Other. This demographic dot map shows the population of Alexander County, with one dot drawn for each person counted by the Census, color-coded by race.
Alexander has become less racially diverse since the 2020 Census. It is considerably less diverse than North Carolina overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Alexander County, that probability was 27.5% in 2020 and 26.2% in the most recent ACS estimates.
Alexander County is ranked the 67th most populous county in North Carolina, out of 100 counties. Alexander County was ranked the 67th most populous county in the 2020 Census.
Alexander County's White Population
31,134 residents of Alexander County, or 85.5% of the population, identify as White. The share of White residents in Alexander County is significantly higher than in North Carolina overall, where 60% of the population is White. Alexander County ranks 17th statewide in terms of White residents as a share of the population, out of 100 counties.
Since the 2020 Census, Alexander County's White population has remained roughly the same. White residents' share of Alexander County's population has increased from 84.8% to 85.5%.
Alexander County is more White than neighboring Catawba County (71.9% White), Iredell County (72.7% White), Caldwell County (85.3% White), and Lincoln County (82% White). Alexander County is less White than neighboring Wilkes County (85.7% White).
Alexander County's Black Population
1,828 residents of Alexander County, or 5.0% of the population, identify as Black. The share of Black residents in Alexander County is considerably lower than in North Carolina overall, where 20% of the population is Black. Alexander County ranks 73rd statewide in terms of Black residents as a share of the population, out of 100 counties.
Since the 2020 Census, Alexander County's Black population has declined by an estimated 4.7%. Black residents' share of Alexander County's population has remained roughly unchanged at 5.0%.
Alexander County is more Black than neighboring Wilkes County (3.6% Black), and Caldwell County (4.1% Black). Alexander County is less Black than neighboring Catawba County (7.7% Black), Iredell County (11.1% Black), and Lincoln County (5.9% Black).
Alexander County's Asian Population
363 residents of Alexander County, or 1.0% of the population, identify as Asian. The share of Asian residents in Alexander County is slightly lower than in North Carolina overall, where 3.3% of the population is Asian. Alexander County ranks 35th statewide in terms of Asian residents as a share of the population, out of 100 counties.
Since the 2020 Census, Alexander County's Asian population has declined by an estimated 6.9%. Asian residents' share of Alexander County's population has remained roughly unchanged at 1.0%.
Alexander County is more Asian than neighboring Wilkes County (0.6% Asian), Caldwell County (0.5% Asian), and Lincoln County (0.8% Asian). Alexander County is less Asian than neighboring Catawba County (4.3% Asian), and Iredell County (2.4% Asian).
Alexander County's Hispanic Population
2,031 residents of Alexander County, or 5.6% of the population, identify as Hispanic. The share of Hispanic residents in Alexander County is lower than in North Carolina overall, where 11.3% of the population is Hispanic. Alexander County ranks 73rd statewide in terms of Hispanic residents as a share of the population, out of 100 counties.
Since the 2020 Census, Alexander County's Hispanic population has grown by an estimated 10.6%. Hispanic residents' share of Alexander County's population has increased from 5.0% to 5.6%.
Alexander County is less Hispanic than neighboring Catawba County (11.5% Hispanic), Wilkes County (7.5% Hispanic), Iredell County (9.3% Hispanic), Caldwell County (6.7% Hispanic), and Lincoln County (8.1% Hispanic).
Alexander County's Native American/Other Population
52 residents of Alexander County, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Alexander County is comparable to the share in North Carolina overall, where 1.4% of the population is Native American/Other. Alexander County ranks 82nd statewide in terms of Native American/Other residents as a share of the population, out of 100 counties.
Since the 2020 Census, Alexander County's Native American/Other population has declined by an estimated 73.3%. Native American/Other residents' share of Alexander County's population has remained roughly unchanged at 0.1%.
Alexander County is less Native American/Other than neighboring Catawba County (0.5% Native American/Other), Wilkes County (0.2% Native American/Other), Iredell County (0.9% Native American/Other), Caldwell County (0.2% Native American/Other), and Lincoln County (0.4% Native American/Other).
Alexander County's Multiracial Population
1,004 residents of Alexander County, or 2.8% of the population, identify as Multiracial. The share of Multiracial residents in Alexander County is comparable to the share in North Carolina overall, where 4.1% of the population is Multiracial. Alexander County ranks 67th statewide in terms of Multiracial residents as a share of the population, out of 100 counties.
Since the 2020 Census, Alexander County's Multiracial population has declined by an estimated 17.1%. Multiracial residents' share of Alexander County's population has decreased from 3.3% to 2.8%.
Alexander County is more Multiracial than neighboring Wilkes County (2.4% Multiracial). Alexander County is less Multiracial than neighboring Catawba County (4.3% Multiracial), Iredell County (3.7% Multiracial), Caldwell County (3.2% Multiracial), and Lincoln County (2.9% Multiracial).
Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.