Marengo County, Alabama Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Marengo County, AL Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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C
Health Below average
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D
Income Well below averageLess wealthy than 71% of counties in Alabama
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D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Marengo County | Alabama Avg | U.S. Average |
|---|---|---|---|
| Population | 18,851 | 5,083,438 | 337,468,954 |
| Population density (per sq mi) | 19.2 | 97.0 | 86.4 |
| Population growth (%/yr) | -0.77% | 0.62% | 0.59% |
| Median age | 42.3 | 38.0 | 37.3 |
| Households | 7,898 | 1,996,169 | 130,235,071 |
Population in Marengo County declined by 11.1% from 2009 to 2024, reaching 18,851 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Marengo County is Gen X, aged 45–60, at 21.3% of residents. That is 1.3 points above Alabama as a whole.
- Gen Z 13–28 3,775 20.0% -1.5 pts
- Millennials 29–44 3,461 18.4% -2.4 pts
- Gen X 45–60 4,009 21.3% +1.3 pts
- Boomers 61–79 3,721 19.7% +1.7 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Alabama, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 52.9% of the people living in Marengo County and men 47.1%.
- Women 52.9% Alabama 51.5%
- Men 47.1% Alabama 48.5%
How many residents match a customer profile?
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100% of everyone living in Marengo County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Marengo County has a the economy index of D, which means it is barely prosperous.
| Metric | Marengo County | Alabama Avg | U.S. Average |
|---|---|---|---|
| Median household income | $43,749 | $64,544 | $80,455 |
| Income growth (%/yr) | 4.80% | 4.68% | 4.80% |
| Unemployment rate | 4.1% | 4.7% | 5.2% |
The median household income in Marengo County is about 32% lower than in Alabama.
Housing
| Metric | Marengo County | Alabama Avg | U.S. Average |
|---|---|---|---|
| Median home price | $187,500 | $160,474 | $248,835 |
| Median rent | $716 | $1,007 | $1,407 |
| Homeownership rate | 70.2% | 70.2% | 65.2% |
The median home price in Marengo County is about 21.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $716 per month for that long.
Commute Time & Mobility
Commuters in Marengo County spend about 43 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 179 hours, about 7.4 full days, spent commuting.
| Metric | Marengo County | Alabama Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 21.4 | 22.1 | 22.4 |
| Round-trip commute (min) | 42.9 | 44.3 | 44.8 |
| Yearly time spent (hours) | 179 | 184 | 187 |
| Estimated yearly cost | $5,536 | $5,717 | $5,790 |
| Work from home | 4.6% | 8.8% | 15.0% |
| Highway traffic (vehicles/day) | 1,461 | 8,636 | 8,813 |
| Local road traffic (vehicles/day) | 325 | 1,193 | 1,355 |
Fastest commutes among counties in
Alabama:
Pike County (16.4 min), Houston County (18.3 min), Escambia County (18.5 min).
Slowest:
Blount County (33.2 min), Pickens County (32.5 min), Lowndes County (31.9 min).
The average commute time in Marengo County is 21 minutes, shorter than the 22 minutes in Alabama.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Marengo County has a education index of D, which means it is barely educated.
| Metric | Marengo County | Alabama Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 19.7% | 24.9% | 31.6% |
| Average household size | 2.36 | 2.48 | 2.53 |
Highest education index among counties in
Alabama:
Madison County (0.4), Shelby County (0.3), Lee County (0.3).
Lowest:
Bibb County (0.2), Barbour County (0.2), Wilcox County (0.2).
Health
Marengo County has a health index of C, which means it is somewhat healthy.
| Metric | Marengo County | Alabama Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 75.2 | 74.7 | 78.3 |
| Self-rated poor health | 25.8% | 23.4% | 16.3% |
| Smokers | 21.3% | 22.1% | 19.0% |
Highest health index among counties in
Alabama:
Shelby County (0.8), Lee County (0.8), Baldwin County (0.8).
Lowest:
Greene County (0.7), Wilcox County (0.7), Perry County (0.7).
Marengo County, AL Compared With Nearby Counties
How Marengo County, AL compares with the 1 counties closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Marengo County, AL | 18,851 | $43,749 #2/2 | $187,500 #1/2 | 21.4 min #2/2 |
| Clarke County, AL | 22,543 | $48,885 | $55,384 | 20.8 min |
Frequently Asked Questions
Common questions about Marengo County, Alabama.
What is the population of Marengo County, Alabama?
About 18,851 people live in Marengo County, Alabama, in 7,898 households of 2.4 people on average. The median age is 42.3, so residents are older than the U.S. median of 37.3 by about 5 years.
Is Marengo County, Alabama mostly urban or rural?
Averaged over its land area, Marengo County, Alabama has 19 people per square mile, a density typical of rural areas. That is about 22% of the U.S. average of 86.
Can a typical household afford a home in Marengo County, Alabama?
The median home costs 4.3 times the median household income ($187,500 against $43,749), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $716 a month takes about 20% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is unemployment high in Marengo County, Alabama?
Unemployment in Marengo County, Alabama is only 4.1%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
What share of adults in Marengo County, Alabama have a college degree?
19.7% of adults in Marengo County, Alabama hold a bachelor's degree or higher (about 1 in 5), well below the U.S. share of 31.6%.
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