HomeAlabamaJefferson CountyMountain Brook
Mountain Brook, Alabama: commercial real estate data.
Mountain Brook is a Census city of 22,029 people across 12.84 square miles of land, in Jefferson County. Median household income is $201,479, 89.9 percent of occupied homes are owned, and the SBA record carries 9 7(a) approvals to borrowers here worth $5.7 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Mountain Brook
What Mountain Brook is
- Census place typecity
- Land area12.84 sq mi
- Water area0.02 sq mi
- Population per square mile of land1,715
- County holding the largest share of its areaJefferson County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Mountain Brook
How many people live in Mountain Brook
- Population22,029
- Median age42.9
- Population under 186,405
- Share under 1829.1 percent
- Population 65 and over3,822
- Share 65 and over17.3 percent
- Households8,426
- Family households6,378
- Share of households that are families75.7 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Mountain Brook
Income and work in Mountain Brook
- Median household income$201,479
- Per capita income$119,993
- Civilian labor force10,398
- Employed10,277
- Unemployed121 plus or minus 91
- Unemployment rate1.2 percent plus or minus 0.9
- Adults 25 and over14,768
- Adults 25 and over with a high school diploma or higher99.7 percent
- Adults 25 and over with a bachelor degree or higher88.6 percent
- Adults 25 and over with a graduate degree39.5 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Mountain Brook
Housing in Mountain Brook
- Housing units8,965
- Occupied units8,426
- Vacant units539 plus or minus 282
- Vacancy rate6.0 percent plus or minus 3.1
- Owner occupied7,576
- Renter occupied850 plus or minus 250
- Ownership rate89.9 percent
- Median owner-occupied home value$916,300
- Median gross rent, monthly$1,456
- Annual rent as a share of median income8.7 percent
- Single family units7,869
- Share single family87.8 percent
- Units in buildings of two or more1,096 plus or minus 359
- Share in buildings of two or more12.2 percent plus or minus 4.0
- Mobile homes0
- Median year structure built1964
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Mountain Brook
How Mountain Brook gets to work
- Workers 16 and over who commute8,488
- Commuting under 15 minutes3,390
- Share commuting under 15 minutes39.9 percent
- Commuting 30 minutes or more683 plus or minus 181
- Share commuting 30 minutes or more8.0 percent plus or minus 2.1
- Drove alone79.5 percent
- Carpooled2.5 percent plus or minus 1.3
- Public transport0.0 percent
- Walked0.2 percent plus or minus 0.4
- Worked from home16.9 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Mountain Brook
SBA loans in Mountain Brook (7(a))
- Approvals9
- Gross approval$5,705,500
- Average approval$633,944
- Median approval$274,900
- Largest approval$2,670,200
- Jobs supported172
- Jobs per approval19.1
- Loans with a final outcome1
- Paid in full1
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more0.0 percent
- Share to franchises44.4 percent
- Distinct lenders7
- Distinct industries by NAICS8
Counted by borrower city: approvals to borrowers whose address is in Mountain Brook, in any county, FY2020 to FY2026. Only 1 loan has reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Mountain Brook
SBA loans in Mountain Brook (504)
- Approvals2
- Gross approval$2,226,000
- Average approval$1,113,000
- Median approval$1,113,000
- Largest approval$1,628,000
- Jobs supported11
- Loans with a final outcome1
- Charged off0
- Median term240 months
- Distinct CDCs1
Counted by borrower city: approvals to borrowers whose address is in Mountain Brook, in any county, FY2010 to FY2026. Only 1 loan has reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Mountain Brook
Flood risk in Mountain Brook
- NFIP communityCity of Mountain Brook
- NFIP community number010128
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date09/24/21
The City of Mountain Brook participates in the National Flood Insurance Program as community 010128 and carries no Community Rating System class, so no CRS premium discount applies to it.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
Jefferson County, not Mountain Brook
Jefferson County context, not Mountain Brook figures
- Establishments in Jefferson County16,989
- Covered employment, Jefferson County367,081
- Average annual pay, Jefferson County$71,562
- Housing units permitted, Jefferson County2,117
Every figure in this section is published for Jefferson County as a whole and is not a measurement of Mountain Brook.
All Jefferson County figures →
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Mountain Brook questions, answered from the record.
How many people live in Mountain Brook, Alabama?
22,029, in 8,426 households. Mountain Brook city covers 12.84 square miles of land, which is 1,715 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Mountain Brook in?
Jefferson County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Mountain Brook?
$201,479. The median owner-occupied home is valued at $916,300. Median gross rent is $1,456 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Mountain Brook businesses?
9 7(a) approvals totaling $5.7 m since FY2020, across 7 lenders, median approval $274,900, plus 2 504 approvals worth $2.2 m since FY2010. These count approvals to borrowers whose address is in Mountain Brook, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Mountain Brook borrowers get paid back?
No rate is published for Mountain Brook. Only 1 loan has reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published. The counts are shown instead.
Is Mountain Brook in the National Flood Insurance Program?
Yes. Mountain Brook appears in the FEMA Community Status Book as Mountain Brook, city of, community 010128, with no Community Rating System class, so no CRS discount applies. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page Mountain Brook figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Jefferson County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Mountain Brook.
Is zoning published for Mountain Brook?
No. Nothing on this page presents parcel level zoning.
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