Limestone County Demographics
A map of Limestone County's Population by Race
Limestone County, Alabama has an estimated population of 111,233, an increase from the 103,570 recorded in the 2020 Census. The population is 72.3% White, 12.7% Black, 7.5% Hispanic, 5.1% Multiracial, 1.7% Asian, and 0.8% Native American/Other. This demographic dot map shows the population of Limestone County, with one dot drawn for each person counted by the Census, color-coded by race.
Limestone has become more racially diverse since the 2020 Census. It is considerably less diverse than Alabama overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Limestone County, that probability was 44.2% in 2020 and 45.3% in the most recent ACS estimates.
Limestone County is ranked the 11th most populous county in Alabama, out of 67 counties. Limestone County was ranked the 12th most populous county in the 2020 Census.
Limestone County's White Population
80,405 residents of Limestone County, or 72.3% of the population, identify as White. The share of White residents in Limestone County is higher than in Alabama overall, where 63.4% of the population is White. Limestone County ranks 26th statewide in terms of White residents as a share of the population, out of 67 counties.
Since the 2020 Census, Limestone County's White population has grown by an estimated 6.2%. White residents' share of Limestone County's population has decreased from 73.1% to 72.3%.
Limestone County is more White than neighboring Morgan County (72.1% White), and Madison County (61.6% White). Limestone County is less White than neighboring Giles County (82.9% White), Lawrence County (75.5% White), and Lincoln County (84.6% White).
Limestone County's Black Population
14,108 residents of Limestone County, or 12.7% of the population, identify as Black. The share of Black residents in Limestone County is considerably lower than in Alabama overall, where 25.6% of the population is Black. Limestone County ranks 46th statewide in terms of Black residents as a share of the population, out of 67 counties.
Since the 2020 Census, Limestone County's Black population has grown by an estimated 7.1%. Black residents' share of Limestone County's population has remained roughly unchanged at 12.7%.
Limestone County is more Black than neighboring Morgan County (12.5% Black), Giles County (8.5% Black), Lawrence County (9.3% Black), and Lincoln County (5.6% Black). Limestone County is less Black than neighboring Madison County (23.6% Black).
Limestone County's Asian Population
1,895 residents of Limestone County, or 1.7% of the population, identify as Asian. The share of Asian residents in Limestone County is comparable to the share in Alabama overall, where 1.4% of the population is Asian. Limestone County ranks 7th statewide in terms of Asian residents as a share of the population, out of 67 counties.
Since the 2020 Census, Limestone County's Asian population has grown by an estimated 2.0%. Asian residents' share of Limestone County's population has remained roughly unchanged at 1.7%.
Limestone County is more Asian than neighboring Morgan County (0.6% Asian), Giles County (0.5% Asian), Lawrence County (0.4% Asian), and Lincoln County (0.6% Asian). Limestone County is less Asian than neighboring Madison County (2.5% Asian).
Limestone County's Hispanic Population
8,295 residents of Limestone County, or 7.5% of the population, identify as Hispanic. The share of Hispanic residents in Limestone County is comparable to the share in Alabama overall, where 5.6% of the population is Hispanic. Limestone County ranks 9th statewide in terms of Hispanic residents as a share of the population, out of 67 counties.
Since the 2020 Census, Limestone County's Hispanic population has grown by an estimated 14.4%. Hispanic residents' share of Limestone County's population has increased from 7.0% to 7.5%.
Limestone County is more Hispanic than neighboring Giles County (2.9% Hispanic), Madison County (6.8% Hispanic), Lawrence County (3.1% Hispanic), and Lincoln County (4.1% Hispanic). Limestone County is less Hispanic than neighboring Morgan County (10.6% Hispanic).
Limestone County's Native American/Other Population
901 residents of Limestone County, or 0.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Limestone County is comparable to the share in Alabama overall, where 0.7% of the population is Native American/Other. Limestone County ranks 16th statewide in terms of Native American/Other residents as a share of the population, out of 67 counties.
Since the 2020 Census, Limestone County's Native American/Other population has grown by an estimated 6.4%. Native American/Other residents' share of Limestone County's population has remained roughly unchanged at 0.8%.
Limestone County is more Native American/Other than neighboring Madison County (0.7% Native American/Other), and Lincoln County (0.2% Native American/Other). Limestone County is less Native American/Other than neighboring Giles County (0.9% Native American/Other), and Lawrence County (3.8% Native American/Other).
Limestone County's Multiracial Population
5,629 residents of Limestone County, or 5.1% of the population, identify as Multiracial. The share of Multiracial residents in Limestone County is comparable to the share in Alabama overall, where 3.3% of the population is Multiracial. Limestone County ranks 6th statewide in terms of Multiracial residents as a share of the population, out of 67 counties.
Since the 2020 Census, Limestone County's Multiracial population has grown by an estimated 18.5%. Multiracial residents' share of Limestone County's population has increased from 4.6% to 5.1%.
Limestone County is more Multiracial than neighboring Morgan County (3.4% Multiracial), Giles County (4.3% Multiracial), Madison County (4.8% Multiracial), and Lincoln County (4.9% Multiracial). Limestone County is less Multiracial than neighboring Lawrence County (7.8% 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.