Census-designated place · Alabama

Mount Olive (Jefferson County), Alabama

Mount Olive (Jefferson County), census-designated place, in Jefferson County, Alabama. Mount Olive (Jefferson County) had 4,427 residents in the 2020 Census, a full count; the ACS 2020-2024 5-year estimates put it at 3,567 (±619). GEOID 0152344.

Residents, 2020 Census

4,427

Census count or controlled total
ACS 2020-2024 estimate: 3,567 ±619

Median household income

$82,234

±$18,832 (90% margin)
Alabama: $63,999

Median home value

$224,000

±$13,839 (90% margin)
Alabama: $209,900

Median gross rent

not published


Alabama: $1,007

Where is Mount Olive (Jefferson County) and what county is it in?

Mount Olive (Jefferson County) is a census-designated place: an unincorporated community the Census Bureau draws for counting, with no city government of its own, in Jefferson County, Alabama. It covers 9.3 square miles of land, 476 residents per square mile in 2020.

Mount Olive (Jefferson County) is in the Birmingham, AL metropolitan statistical area, which takes in 7 counties (Census Bureau delineation, July 2023).

Mount Olive (Jefferson County) (marked with a dot) in Jefferson County, Alabama. Boundaries: Census Bureau 2024.

Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files

How many people live in Mount Olive (Jefferson County), and is it growing?

The 2020 Census counted 4,427 residents in Mount Olive (Jefferson County), a full count rather than a sample. The 2020-2024 American Community Survey, a sample, estimates 3,567 (±619).

The Census Bureau publishes yearly population estimates for incorporated places only; Mount Olive (Jefferson County) is a census-designated place, so its figures come from the ACS and the 2020 Census.

ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
Measure Mount Olive (Jefferson County)Jefferson CountyAlabama Change since 2015-2019
Total population 3,567 ±619 667,755 5,086,768 −820
Households 1,379 ±196 269,883 1,997,247 no clear change
Average household size 2.59 ±0.28 2.40 2.48 no clear change
Housing units 1,625 ±212 310,789 2,337,265 no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov

Who lives in Mount Olive (Jefferson County)?

The median resident of Mount Olive (Jefferson County) is 39.6 years old; 24.4% are under 18 and 19.1% are 65 or older. The largest group is non-Hispanic white residents at 81.9%, then Hispanic or Latino residents (of any race) at 9.3%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure Mount Olive (Jefferson County)Jefferson CountyAlabama Change since 2015-2019
Median age 39.6 ±4.9 37.7 39.3 no clear change
Under 18 years 24.4% ±4.8 pts 22.9% 22.2% –
65 years and over 19.1% ±5.4 pts 16.8% 17.8% –
Male 48.3% ±6.3 pts 47.5% 48.6% –
Hispanic or Latino (any race) 9.3% ±7.8 pts 5.5% 5.6% –
White alone, not Hispanic 81.9% ±11.3 pts 47.5% 63.4% no clear change
Black or African American alone, not Hispanic 6.6% ±9.4 pts 42.1% 25.6% –
Asian alone, not Hispanic 1.0% ±1.3 pts 1.9% 1.4% –
American Indian and Alaska Native alone, not Hispanic 0.0% ±1.1 pts 0.1% 0.3% –
Native Hawaiian and Other Pacific Islander alone, not Hispanic 0.0% ±1.1 pts 0.1% 0.0% –
Two or more races, not Hispanic 1.1% ±0.9 pts 2.3% 3.3% –
Some other race alone, not Hispanic 0.0% ±1.1 pts 0.5% 0.4% –
Born outside the United States 2.1% ±2.4 pts 4.9% 4.0% –
Speak a language other than English at home (age 5+) 11.0% ±8.4 pts 7.6% 6.0% –
Civilian veterans (age 18+) 6.3% ±3.2 pts 5.7% 7.7% –
With a disability 15.4% ±4.9 pts 15.4% 16.5% –
No health insurance coverage 4.6% ±3.0 pts 9.4% 9.2% –
High school graduate or higher (age 25+) 90.1% ±5.0 pts 91.2% 88.6% –
Bachelor's degree or higher (age 25+) 24.3% ±6.2 pts 36.2% 28.4% no clear change
Graduate or professional degree (age 25+) 7.1% ±4.9 pts 14.8% 11.1% –
Lived in the same house a year earlier 95.3% ±3.0 pts 87.1% 88.3% –
Moved from another state in the past year 1.0% ±1.1 pts 1.9% 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 Mount Olive (Jefferson County) earn?

Half of Mount Olive (Jefferson County)'s 1,379 households earn less than $82,234 a year (±$18,832), against $66,388 in Jefferson County and $63,999 in Alabama. In 2015-2019 it was $90,456 in 2024 dollars; the margins of error cannot tell the two periods apart. 12.1% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
Measure Mount Olive (Jefferson County)Jefferson CountyAlabama Change since 2015-2019
Median household income $82,234 ±$18,832 $66,388 $63,999 no clear change
Mean household income $107,202 ±$14,945 $99,682 $88,898 –
Per capita income $41,798 ±$6,222 $41,013 $36,087 no clear change
People below the poverty line 12.1% ±7.7 pts 15.7% 15.6% no clear change
Children under 18 below the poverty line 23.4% ±24.3 pts 21.8% 21.3% –
Households receiving SNAP 5.7% ±5.2 pts 14.2% 13.7% –
Households with a computer 98.8% ±1.5 pts 95.4% 93.7% –
Households with a broadband subscription 95.6% ±3.4 pts 90.4% 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 Mount Olive (Jefferson County)?

Owners occupy 88.0% of Mount Olive (Jefferson County)'s occupied homes and renters 12.0%. The median owner-occupied home is valued at $224,000 by its owner (±$13,839).

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
Measure Mount Olive (Jefferson County)Jefferson CountyAlabama Change since 2015-2019
Median home value (owner-occupied) $224,000 ±$13,839 $240,000 $209,900 +$29,181
Renters paying 35% or more of income on rent 55.8% ±43.3 pts 43.5% 39.9% –
Median monthly owner costs, with a mortgage $1,368 ±$122 $1,619 $1,433 –
Owner-occupied homes 88.0% ±9.0 pts 63.9% 70.2% no clear change
Renter-occupied homes 12.0% ±9.0 pts 36.1% 29.8% –
Housing units 1,625 ±212 310,789 2,337,265 no clear change
Homeowner vacancy rate 2.5% ±3.9 pts 1.2% 1.1% –
Rental vacancy rate 0.0% ±21.2 pts 7.0% 7.2% –
Single-family detached homes 88.8% ±7.4 pts 68.6% 69.1% –
Mobile homes 8.6% ±6.2 pts 3.1% 12.3% –
Built 2020 or later 0.0% ±2.4 pts 1.2% 2.3% –
Built 2010 to 2019 0.9% ±1.0 pts 7.6% 10.9% –
Built 1939 or earlier 6.1% ±4.4 pts 10.3% 4.9% –
Households with no vehicle 0.0% ±2.9 pts 7.0% 5.4% –

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 do people in Mount Olive (Jefferson County) work and get to work?

77.8% of Mount Olive (Jefferson County)'s workers drive alone and 14.4% work from home. The average trip to work takes 26.1 minutes.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
Measure Mount Olive (Jefferson County)Jefferson CountyAlabama Change since 2015-2019
In the labor force (age 16+) 61.1% ±6.9 pts 61.5% 58.3% –
Unemployment rate 1.2% ±1.5 pts 4.7% 4.7% –
Drove alone to work 77.8% ±7.0 pts 77.3% 80.6% –
Carpooled 7.0% ±4.2 pts 8.2% 8.0% –
Public transportation 0.8% ±1.2 pts 0.6% 0.3% –
Walked 0.0% ±2.4 pts 1.6% 1.1% –
Worked from home 14.4% ±6.4 pts 11.1% 8.8% –
Mean travel time to work 26.1 min ±2.6 24.1 min 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 census tracts are in Mount Olive (Jefferson County)?

No census tract lies mostly in Mount Olive (Jefferson County); 3 tracts reach into it (2020 census blocks).

Census tracts in Mount Olive (Jefferson County), ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Mount Olive (Jefferson County)
Tract 117.08Jefferson County5,597 $82,660 $252,20011%
Tract 116Jefferson County3,961 $86,061 $209,40012%
Tract 117.04Jefferson County4,015 $88,774 $242,3003%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Mount Olive (Jefferson County)) · Census block assignment files

How does Mount Olive (Jefferson County) compare with other places in Alabama?

Mount Olive (Jefferson County) ranks 56th of 305 places in Alabama with 1,000 or more residents and a reliable estimate, by median household income.

Mount Olive (Jefferson County)'s rank in Alabama (1 = highest): by population among the state's incorporated places with a 2025 estimate; by the other measures among places of 1,000+ residents with a reliable estimate
MeasureRankOf
Population (ACS 2020-2024)151st311
Residents per square mile132nd311
Median household income56th305
Per capita income44th311
Median home value82nd304
Poverty rate189th258
Bachelor's degree or higher104th295
Median age154th309
Owner-occupied share48th310
Work from home34th138
Travel time to work146th310

Mount Olive (Jefferson County)'s figures with every place in Alabama (CSV)

Every place in Alabama, sortable · Compare Mount Olive (Jefferson County) with other places

Source: PlainCities ranks computed 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 reliable are the figures for Mount Olive (Jefferson County)?

25 of the 56 figures for Mount Olive (Jefferson County) on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.

The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation

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 Mount Olive (Jefferson 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.