County · Alabama
Limestone County, Alabama
Limestone County, Alabama. Limestone County had 122,928 residents in 2025 by the Census Bureau's estimate, up 18.7% since 2020, faster than Alabama (+3.3%). It holds 8 places (8 cities, villages and boroughs) and 23 census tracts. GEOID 01083.
Limestone County is one of the 2 counties of the Huntsville, AL metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
122,928
Census Bureau estimate (no margin published)
2020 Census count: 103,570 · ACS 2020-2024: 111,233
Median household income
$83,629
±$4,065 (90% margin)
Alabama: $63,999
Median home value
$281,000
±$9,732 (90% margin)
Alabama: $209,900
Median gross rent
$970
±$72 (90% margin)
Alabama: $1,007
How many people live in Limestone County, and is it growing?
The 2020 Census counted 103,570 residents in Limestone County. The Census Bureau estimates 122,928 for July 1, 2025, up 18.7% since 2020, faster than Alabama (+3.3%). The 2020-2024 American Community Survey puts the population at 111,233 over 563 square miles of land.
| Measure | Limestone County | Alabama | Change since 2015-2019 |
|---|---|---|---|
| Total population | 111,233 | 5,086,768 | +16,506 |
| Households | 40,953±626 | 1,997,247 | +8,810 |
| Average household size | 2.64±0.04 | 2.48 | −0.22 |
| Housing units | 44,354±79 | 2,337,265 | +8,298 |
Limestone County's population since 2000
From 65,676 in 2000 to 122,928 in 2025: up 87.2%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Limestone County?
Limestone County holds 8 places: 8 cities, villages and boroughs (incorporated places). The largest is Athens with 34,209 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Athens | 25,406 | $69,922 |
|---|---|---|
| Madison | 56,933 | $134,655 |
| Huntsville | 215,006 | $74,714 |
| Ardmore | 1,321 | $50,352 |
| ElkmontGEOID 0123488 | 411 | $49,750 |
| LesterGEOID 0142352 | 111 | $80,833 |
| Decatur | 57,938 | $61,563 |
| MooresvilleGEOID 0151264 | 47 | $144,000 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Limestone County?
The median resident of Limestone County is 40.8 years old; 22.2% are under 18 and 15.6% are 65 or older. The largest group is non-Hispanic white residents at 72.3%, then non-Hispanic Black residents at 12.7%. 4.1% of residents were born outside the United States.
| Measure | Limestone County | Alabama | Change since 2015-2019 |
|---|---|---|---|
| Median age | 40.8±0.5 | 39.3 | +1.1 |
| Under 18 years | 22.2%±0.1 pts | 22.2% | – |
| 65 years and over | 15.6%±0.1 pts | 17.8% | – |
| Hispanic or Latino (any race) | 7.5% | 5.6% | +1.5 pts |
| White alone, not Hispanic | 72.3%±0.6 pts | 63.4% | −4.2 pts |
| Black or African American alone, not Hispanic | 12.7%±0.6 pts | 25.6% | −0.9 pts |
| Asian alone, not Hispanic | 1.7%±0.2 pts | 1.4% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.3%±0.1 pts | 0.3% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 5.1%±0.7 pts | 3.3% | – |
| Some other race alone, not Hispanic | 0.5%±0.4 pts | 0.4% | – |
| Born outside the United States | 4.1%±0.7 pts | 4.0% | no clear change |
| Speak a language other than English at home (age 5+) | 6.4%±0.7 pts | 6.0% | – |
| Civilian veterans (age 18+) | 8.4%±0.8 pts | 7.7% | – |
| With a disability | 14.8%±1.0 pts | 16.5% | – |
| No health insurance coverage | 7.8%±1.2 pts | 9.2% | −1.8 pts |
| High school graduate or higher (age 25+) | 86.7%±1.4 pts | 88.6% | – |
| Bachelor's degree or higher (age 25+) | 30.2%±1.7 pts | 28.4% | +4.5 pts |
| Graduate or professional degree (age 25+) | 12.3%±1.5 pts | 11.1% | – |
| Moved from another state in the past year | 2.8%±1.0 pts | 2.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Limestone County earn?
Half of Limestone County's 40,953 households earn less than $83,629 a year (±$4,065), against $63,999 in Alabama. In 2015-2019 the median was $73,455 in 2024 dollars, so it rose by $10,174 after inflation. 10.0% of residents live below the poverty line.
| Measure | Limestone County | Alabama | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $83,629±$4,065 | $63,999 | +$10,174 |
| Mean household income | $108,289±$4,532 | $88,898 | – |
| Per capita income | $40,982±$1,761 | $36,087 | +$6,017 |
| People below the poverty line | 10.0%±1.5 pts | 15.6% | −3.6 pts |
| Children under 18 below the poverty line | 11.4%±3.5 pts | 21.3% | −8.8 pts |
| Households receiving SNAP | 8.8%±1.3 pts | 13.7% | – |
| Households with a broadband subscription | 88.0%±1.3 pts | 87.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Limestone County?
Owners occupy 77.6% of Limestone County's occupied homes and renters 22.4%. The median owner-occupied home is valued at $281,000 by its owner (±$9,732). The median renter pays $970 a month including utilities, and 31.5% of renters pay 35% or more of their income on rent.
| Measure | Limestone County | Alabama | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $281,000±$9,732 | $209,900 | +$85,566 |
| Median gross rent | $970±$72 | $1,007 | +$120 |
| Renters paying 35% or more of income on rent | 31.5%±4.8 pts | 39.9% | no clear change |
| Median monthly owner costs, with a mortgage | $1,517±$53 | $1,433 | – |
| Owner-occupied homes | 77.6%±1.8 pts | 70.2% | no clear change |
| Housing units | 44,354±79 | 2,337,265 | +8,298 |
| Homeowner vacancy rate | 0.6%±0.4 pts | 1.1% | – |
| Rental vacancy rate | 5.8%±2.5 pts | 7.2% | – |
| Single-family detached homes | 78.3%±1.8 pts | 69.1% | – |
| Mobile homes | 9.4%±1.2 pts | 12.3% | – |
| Built 2020 or later | 6.6%±0.9 pts | 2.3% | – |
| Built 1939 or earlier | 3.2%±0.7 pts | 4.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Limestone County building?
Builders took permits for 449 new housing units across Limestone County in 2025 (447 single-family), 3.7 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Limestone County get to work?
82.1% of Limestone County's workers drive alone and 11.1% work from home. The average trip to work takes 26.3 minutes. The unemployment rate in 2020-2024 averaged 3.3%.
| Measure | Limestone County | Alabama | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 60.0%±1.3 pts | 58.3% | – |
| Unemployment rate | 3.3%±0.8 pts | 4.7% | −2.9 pts |
| Drove alone to work | 82.1%±1.7 pts | 80.6% | – |
| Carpooled | 5.5%±1.0 pts | 8.0% | – |
| Public transportation | 0.0%±0.1 pts | 0.3% | – |
| Walked | 0.6%±0.3 pts | 1.1% | – |
| Worked from home | 11.1%±1.3 pts | 8.8% | +8.6 pts |
| Mean travel time to work | 26.3 min±1.0 | 25.5 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Limestone County's census tracts?
Limestone County is divided into 23 census tracts. Among those with a reliable estimate, median household income runs from $38,205 (Tract 205) to $161,591 (Tract 212.01).
All 23 census tracts of Limestone County, with their figures
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Limestone County compare with Alabama's other counties?
| Measure | Rank |
|---|---|
| Population | 11th of 67 |
| Growth 2020-2025 | 1st of 67 |
| Residents per square mile | 11th of 67 |
| Median household income | 3rd of 67 |
| Median home value | 4th of 67 |
| Median gross rent | 13th of 67 |
| Poverty rate | 66th of 67 |
| Bachelor's degree or higher | 8th of 67 |
| Median age | 39th of 67 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Limestone County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.