United States › Alabama › Marengo County COUNTY
Marengo County Alabama · 18,311 residents (2025 est.) · 977 sq mi
Time machine
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The short version
With 18,851 people, Marengo County is a county in Alabama. 19% of adults hold a bachelor's degree, below the 36% national rate. Home values have more than doubled since 2000, reaching $107,400. 2% of people here were born outside the United States. That trails the Alabama median by roughly 32%. Density works out to 19 people per square mile.
At a glance
Lower income
below the US median
US median: $82,259
Older
median age 41.4
US median: 38.9
Less educated
19% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 22,539 in 2000
18,311 in 2025 (Census Bureau estimate)
from 22 / sq mi in 2009
US average: 281
from 36.4 in 2000
US average: 38.9
Population, 1990 – 2024
18K 20K 21K 22K 24K 1990 2000 2010 2020 2024 Marengo County Age distribution, 2024
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Section 02
Income & economy $43,825
−11%inflation adjusted, since 2000
from $27,025 in 2000
US average: $82,259
from $15,308 in 2000
US average: $44,673
Households earning $100K+
from 15.5% in 2009
US average: 53.3%
from 25.9% in 2000
US average: 12.5%
from 0.484 in 2010
US average: 0.476
Workforce by industry, 2024
Professional, scientific, technical 7%
Public administration 3.9%
Agriculture, forestry, fishing 2.8%
Education & health services 1.7%
Transportation & warehousing 1.1%
Arts, entertainment, food 0.6%
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$107,400
+10%inflation adjusted, since 2000
from $53,800 in 2000
US average: $376,019
$716
+29%inflation adjusted, since 2000
from $305 in 2000
US average: $1,442
from 79.2% in 2000
29.8% rent
from 18.2% in 2009
US average: 10.0%
from 2.45 people in 2009
US average: 2.54
from 28.2% in 2009
US average: 22.9%
from 38.4% in 2009
US average: 47.4%
from 2.5 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 46.9%(10,582)
2024
White, non-Hispanic 44.3%(8,349)
Hispanic / Latino 2.7%(506)
from 63 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
from 30 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 11 more ancestry groups with data from 12.1% in 2000
US average: 35.6%
High school or higher
from 71.9% in 2000
US average: 89.6%
from 4.4% in 2000
US average: 14.0%
Section 06
Commute & transportation from 18.4 min in 2000
US average: 26.5
from 82.6% in 2009
US average: 68.9%
from 12.5% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 2.4% in 2009
US average: 15.0%
from 1.2% in 2009
US average: 2.4%
from 0.0% in 2009
US average: 0.4%
from 10.5% in 2009
US average: 8.3%
Section 07
Work & employment from 10.5% in 2011
US average: 5.2%
from 52.2% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 58.9% in 2020
US average: 74.6%
from 16.8% in 2009
US average: 13.1%
from 24.0% in 2009
US average: 42.5%
Section 08
People & community from 0.3% in 2009
US average: 14.1%
from 10.0% in 2009
US average: 6.2%
from 23.3% in 2012
US average: 13.3%
from 12.5% in 2013
US average: 8.4%
from 51.2% in 2017
US average: 91.0%
Computer in household
from 77.7% in 2020
US average: 95.5%
from 91.9% in 2020
US average: 87.7%
from 98.5% in 2016
US average: 77.7%
from 1.2% in 2016
US average: 13.6%
Marital status
Women 15+
Never married 32.5%(2,671)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 12.5% in 2013
US average: 8.4%
from 45.4% in 2020
US average: 54.8%
Direct-purchase
from 14.8% in 2020
US average: 13.8%
from 26.7% in 2020
US average: 18.4%
from 23.7% in 2020
US average: 20.9%
VA health care
from 3.2% in 2020
US average: 2.2%
Any private
from 59.9% in 2020
US average: 67.1%
Any public
from 45.5% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 31.9%(444)
Gulf War (1990s) 25.8%(359)
Share of the 1,392 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Marengo County Head to head
Compare Marengo County to nearby counties MARENGO COUNTY VS
Choctaw County
Income $47,813 +9%
Home value $123,400 +15%
Population 11,904 −35%
SEE FULL COMPARISON →
MARENGO COUNTY VS
Wilcox County
Income $40,640 −7%
Home value $98,800 −8%
Population 9,666 −47%
SEE FULL COMPARISON →
MARENGO COUNTY VS
Sumter County
Income $33,310 −24%
Home value $82,600 −23%
Population 11,588 −37%
SEE FULL COMPARISON →
MARENGO COUNTY VS
Hale County
Income $39,250 −10%
Home value $127,600 +19%
Population 15,194 −17%
SEE FULL COMPARISON →
Frequently asked
How many people live in Marengo County, Alabama? Marengo County, Alabama has about 18,851 residents according to the 2024 American Community Survey.
What is the median household income in Marengo County, Alabama? The typical household in Marengo County, Alabama earns about $43,825 a year. Half of households make more than that, and half make less.
Is Marengo County, Alabama expensive? In Marengo County, Alabama, the median home is worth about $107,400, and the typical rent is about $716 a month.
How educated are people in Marengo County, Alabama? About 19.5% of adults age 25 and over in Marengo County, Alabama hold a bachelor's degree or higher.
What is the poverty rate in Marengo County, Alabama? About 21.9% of people in Marengo County, Alabama live below the federal poverty line.
Has Marengo County, Alabama grown since 1990? Yes, Marengo County, Alabama has shrunk since 1990. The population has lost about 4,233 residents, a change of about -18 percent over that period.
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