Jefferson County, Alabama Demographics 2026
Jefferson County, Alabama has a population of 667,755, the 1st most populous county in Alabama. The median household income is $66,388 and the median home value is $240,000. The poverty rate is 15.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Jefferson County Quick Facts
How Jefferson County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 669,744 | 667,755 | -0.3% |
| Median household income | $64,589 | $66,388 | +2.8% |
| Median home value | $224,900 | $240,000 | +6.7% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 53 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Jefferson County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Birmingham | 198,173 | $46,051 | 24.7% | $158,800 |
| Hoover | 92,642 | $109,253 | 5.1% | $412,200 |
| Vestavia Hills | 38,616 | $134,369 | 10.0% | $530,000 |
| Homewood | 27,829 | $94,485 | 8.9% | $558,500 |
| Trussville | 26,673 | $123,275 | 1.1% | $370,300 |
| Bessemer | 25,400 | $39,613 | 28.0% | $135,900 |
| Mountain Brook | 22,029 | $201,479 | 3.2% | $916,300 |
| Helena | 21,769 | $115,139 | 3.2% | $330,700 |
| Gardendale | 16,534 | $82,192 | 4.3% | $252,600 |
| Hueytown | 16,414 | $62,784 | 16.2% | $155,300 |
| Center Point | 15,914 | $56,417 | 14.3% | $151,700 |
| Irondale | 13,464 | $72,343 | 15.2% | $255,800 |
| McCalla | 13,253 | $87,468 | 6.3% | $279,900 |
| Leeds | 12,028 | $69,737 | 12.8% | $224,600 |
| Clay | 10,273 | $81,920 | 17.3% | $220,600 |
| Forestdale | 9,742 | $66,569 | 17.8% | $164,000 |
| Fairfield | 9,728 | $48,456 | 32.4% | $129,300 |
| Pleasant Grove | 9,442 | $70,317 | 19.7% | $226,400 |
| Fultondale | 9,384 | $73,575 | 12.5% | $186,100 |
| Pinson | 7,832 | $76,410 | 10.6% | $212,000 |
| Grayson Valley | 6,077 | $64,597 | 20.4% | $148,400 |
| Tarrant | 5,925 | $42,070 | 24.2% | $120,100 |
| Midfield | 5,045 | $52,755 | 24.6% | $107,600 |
| Argo | 4,479 | $105,128 | 1.1% | $248,100 |
| Kimberly | 4,439 | $97,429 | 3.4% | $322,300 |
| Adamsville | 4,266 | $62,500 | 11.4% | $145,700 |
| Lake View | 4,063 | $101,487 | 4.2% | $304,400 |
| Mount Olive (Jefferson County) | 3,567 | $82,234 | 12.1% | $224,000 |
| Warrior | 3,207 | $57,557 | 18.3% | $149,800 |
| Brighton | 3,079 | $38,221 | 34.2% | $70,800 |
| Morris | 2,673 | $101,563 | 6.7% | $241,400 |
| Graysville | 2,509 | $70,208 | 10.6% | $116,900 |
| Sumiton | 2,459 | $65,568 | 15.9% | $180,700 |
| Lipscomb | 2,214 | $41,875 | 34.1% | $90,400 |
| Concord | 1,913 | $66,406 | 11.2% | $173,500 |
| Brookside | 1,603 | $59,271 | 26.5% | $107,400 |
| Sylvan Springs | 1,490 | $81,927 | 10.7% | $217,000 |
| Rock Creek | 1,103 | $84,432 | 2.5% | $147,900 |
| Minor | 762 | $42,321 | 1.2% | $94,900 |
| Edgewater | 670 | N/A | 20.2% | N/A |
| McDonald Chapel | 651 | $56,971 | 13.1% | $134,400 |
| Mulga | 602 | $41,146 | 21.8% | $63,100 |
| West Jefferson | 581 | $41,406 | 13.4% | $156,200 |
| Trafford | 493 | $23,333 | 41.2% | $116,500 |
| County Line | 358 | $61,250 | 16.5% | $95,000 |
| Maytown | 314 | $50,938 | 21.1% | $120,800 |
| North Johns | 129 | $49,205 | 17.8% | $74,600 |
| Cardiff | 125 | $11,533 | 64.0% | $80,000 |
Explore Alabama Rankings
Population Overview
Jefferson County is located in Alabama with a total population of 667,755. It is the 1st most populous county out of 67 in Alabama. The county encompasses 48 Census-designated places.
Age Demographics
The median age in Jefferson County is 37.7 years. This is 4% lower than the state median of 39.3 years.
Economy, Income & Housing
The median household income in Jefferson County is $66,388. This is 4% higher than the state median of $63,999. It is also 18% lower than the national median of $80,734. The poverty rate stands at 15.7%. This is about the same as the state poverty rate of 15.6%. The unemployment rate is 4.7%. The median home value is $240,000. Housing costs are 14% higher than the state median of $209,900. The home-value-to-income ratio is 3.6x. 63.9% of occupied housing units are owner-occupied. This homeownership rate is 9% lower than the state average of 70.2%.
Race & Ethnicity
The largest racial or ethnic group in Jefferson County is White (non-Hispanic), making up 47.5% of the population. Black or African American residents account for 42.1%. The Black or African American population is significantly higher than the state average (42.1% vs 25.6%).
Education
36.2% of residents aged 25 and older hold a bachelor's degree or higher. This places Jefferson County in the top 10% of all counties in the state for educational attainment. This is 28% higher than the state rate of 28.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.2%.
Data Sources & Methodology
All figures for Jefferson County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Alabama and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Jefferson County, Alabama?
Jefferson County has a population of 667,755, making it the 1st most populous county in Alabama.
What is the median income in Jefferson County?
The median household income in Jefferson County is $66,388 with a poverty rate of 15.7%.
How many cities are in Jefferson County, Alabama?
Jefferson County contains 48 Census-designated places.