Demographics of Limestone County, Alabama

Limestone County, Alabama had 122,928 people on July 1, 2025, by the Census Bureau’s estimate: +18,735 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Limestone County, in four figures

122,928
Population: July 1, 2025, Vintage 2025 estimate.; +18.0%
Change since July 2020: +18,735 people.; 40.8 ±0.5
Median age: ACS 2020–⁠2024.; $83,629 ±$4,065
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Limestone County, Alabama's population grew 18.0% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Limestone County, Alabama's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Limestone County, Alabama's population grew 18.0% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Limestone County, Alabama's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	104,193	100.0	100.0
2021	107,268	103.0	100.2
2022	110,922	106.5	100.7
2023	114,815	110.2	101.6
2024	119,051	114.3	102.5
2025	122,928	118.0	103.1

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Population of Limestone County, Alabama on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	104,193	+630	+75	+2	+567
2021	107,268	+3,075	−94	+19	+3,285
2022	110,922	+3,654	+81	+179	+3,203
2023	114,815	+3,893	+125	+269	+3,424
2024	119,051	+4,236	+223	+353	+3,631
2025	122,928	+3,877	+222	+65	+3,632

Age, 2020–2024

The median age is 40.8 ±0.5: for men 40.4 ±0.6 and for women 41.2 ±0.5. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Limestone County by age, ACS 2020–2024
Age	People	Share	Alabama	United States
Under 5	6,148 ±282	5.5% ±0.3	5.8% ±<0.1	5.6% ±<0.1
5 to 17	18,510 ±929	16.6% ±0.8	16.5% ±0.1	16.3% ±<0.1
18 to 24	8,343 ±727	7.5% ±0.7	9.5% ±0.1	9.1% ±<0.1
25 to 44	30,227 ±1,040	27.2% ±0.9	25.3% ±0.1	26.9% ±<0.1
45 to 64	30,691 ±1,010	27.6% ±0.9	25.2% ±0.1	24.8% ±<0.1
65 and over	17,314 ±918	15.6% ±0.8	17.8% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $83,629 ±$4,065, and income per person $40,982 ±$1,761, in 2024 dollars. The median is $63,999 ±$399 in Alabama and $80,734 ±$166 in the United States.

Households by income

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Households in Limestone County by income, ACS 2020–2024
Household income	Households	Share	Alabama	United States
Under $25,000	5,515 ±677	13.5% ±1.6	19.7% ±0.3	14.6% ±<0.1
$25,000 to $49,999	5,927 ±670	14.5% ±1.6	20.3% ±0.3	16.7% ±<0.1
$50,000 to $74,999	7,372 ±780	18.0% ±1.9	16.7% ±0.2	15.5% ±<0.1
$75,000 to $99,999	5,502 ±737	13.4% ±1.8	12.7% ±0.2	12.6% ±<0.1
$100,000 to $149,999	7,497 ±815	18.3% ±2.0	15.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	4,131 ±638	10.1% ±1.6	7.4% ±0.2	9.6% ±<0.1
$200,000 or more	5,009 ±603	12.2% ±1.5	7.8% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Limestone County by age, ACS 2020–2024
Age	Below poverty	Rate	Alabama	United States
All ages	10,737 ±1,563	10.0% ±1.4	15.6% ±0.2	12.5% ±0.1
Under 18	2,770 ±638	11.4% ±2.6	21.3% ±0.4	16.1% ±0.1
18 to 59	5,285 ±794	9.0% ±1.3	14.7% ±0.2	11.6% ±0.1
60 and over	2,682 ±580	10.8% ±2.3	12.4% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Limestone County, ACS 2020–2024
Measure	Limestone County	Alabama	United States
Housing units	44,354 ±79	2,337,265 ±430	143,775,355 ±10,234
Occupied	92.3% ±1.4	85.5% ±0.3	89.9% ±0.1
Vacant	7.7% ±1.4	14.5% ±0.3	10.1% ±0.1
Owner occupied	77.6% ±1.6	70.2% ±0.4	65.2% ±0.3
Renter occupied	22.4% ±1.8	29.8% ±0.3	34.8% ±0.1
Median home value	$281,000 ±$9,732	$209,900 ±$1,076	$332,700 ±$236
Median gross rent	$970 ±$72	$1,007 ±$8	$1,413 ±$2
Median year built	1998 ±2	1986 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Limestone County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Alabama	United States
Hispanic or Latino	8,295 ±0	7.5% ±<0.1	5.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	80,405 ±696	72.3% ±0.6	63.4% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	14,108 ±628	12.7% ±0.6	25.6% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	1,895 ±267	1.7% ±0.2	1.4% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	321 ±82	0.3% ±0.1	0.3% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	15 to 59	< 0.1% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	105 to 981	0.1% to 0.9%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	5,629 ±820	5.1% ±0.7	3.3% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Limestone County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Alabama	United States
Born in the state	68,207 ±1,800	61.3% ±1.6	67.5% ±0.2	57.3% ±<0.1
Born in another state	37,356 ±1,921	33.6% ±1.7	27.6% ±0.2	26.9% ±<0.1
Born a citizen outside the states	1,069 ±409	1.0% ±0.4	1.0% ±<0.1	1.7% ±<0.1
Born abroad	4,601 ±754	4.1% ±0.7	4.0% ±0.1	14.1% ±<0.1
Naturalized citizens	2,221 ±429	2.0% ±0.4	1.6% ±0.1	7.4% ±<0.1
Not citizens	2,380 ±592	2.1% ±0.5	2.4% ±0.1	6.8% ±<0.1

Limestone County among the counties of Alabama

10th of 67 by population, July 2025. Every one is listed on the Alabama page.

Counties of Alabama near Limestone County in population, July 2025
County	July 2025	Change since 2020
Tuscaloosa County	241,368	+3.8%
Shelby County	238,552	+6.5%
Montgomery County	225,891	−1.1%
Lee County	189,881	+8.6%
Morgan County	126,483	+2.6%
Limestone County	122,928	+18.0%
Calhoun County	115,834	−0.3%
Houston County	110,318	+2.8%
Etowah County	103,886	+0.4%
Marshall County	103,537	+6.0%
St. Clair County	98,206	+7.1%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026