County in Alabama · 977 sq mi · 19 people per sq mi
18,152 people live in Marengo County. The typical household earns $43,825, and the median resident is 41.4 years old.
2026 projection
From 19,266 in 2020
Poverty rate 21.85%
Men 39.4 · Women 44.1
1820–2026
18,152
2026 projection
5.8% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1820–2026
18,152
2026 projection
5.8% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 18,152 | -159 | 0.87% |
|---|---|---|---|
| 2025 | 18,311 | -159 | 0.86% |
| 2024 | 18,470 | -202 | 1.08% |
| 2023 | 18,672 | -117 | 0.62% |
| 2022 | 18,789 | -185 | 0.98% |
| 2021 | 18,974 | -292 | 1.52% |
| 2020 | 19,266 | +347 | 1.83% |
| 2019 | 18,919 | -174 | 0.91% |
| 2018 | 19,093 | -318 | 1.64% |
| 2017 | 19,411 | -125 | 0.64% |
Showing 10 of 35 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 189 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 5 residents
43% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 43% | 44% | 42% |
| Never married | 34% | 35% | 33% |
| Divorced | 10% | 12% | 9% |
| Widowed | 10% | 6% | 14% |
| Separated | 3% | 3% | 4% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
8 sources, all from the U.S. Census Bureau