HomePennsylvaniaAllegheny CountyCastle Shannon
Castle Shannon, Pennsylvania: commercial real estate data.
Castle Shannon is a Census borough of 8,209 people across 1.60 square miles of land, in Allegheny County. Median household income is $64,071, 59.1 percent of occupied homes are owned, and the SBA record carries 2 7(a) approvals to borrowers here worth $147,000 since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Castle Shannon
What Castle Shannon is
- Census place typeborough
- Land area1.6 sq mi
- Water area0 sq mi
- Population per square mile of land5,138
- County holding the largest share of its areaAllegheny 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.
Castle Shannon
How many people live in Castle Shannon
- Population8,209
- Median age40.0
- Population under 181,148 plus or minus 260
- Share under 1814.0 percent plus or minus 3.2
- Population 65 and over1,465
- Share 65 and over17.8 percent
- Households3,788
- Family households1,721
- Share of households that are families45.4 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Castle Shannon
Income and work in Castle Shannon
- Median household income$64,071
- Per capita income$40,735
- Civilian labor force5,032
- Employed5,014
- Unemployed18 plus or minus 29
- Unemployment rate0.4 percent plus or minus 0.6
- Adults 25 and over6,151
- Adults 25 and over with a high school diploma or higher96.8 percent
- Adults 25 and over with a bachelor degree or higher37.1 percent
- Adults 25 and over with a graduate degree10.5 percent plus or minus 2.9
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Castle Shannon
Housing in Castle Shannon
- Housing units4,087
- Occupied units3,788
- Vacant units299 plus or minus 148
- Vacancy rate7.3 percent plus or minus 3.6
- Owner occupied2,239
- Renter occupied1,549
- Ownership rate59.1 percent
- Median owner-occupied home value$190,300
- Median gross rent, monthly$1,126
- Annual rent as a share of median income21.1 percent
- Single family units2,600
- Share single family63.6 percent
- Units in buildings of two or more1,487 plus or minus 324
- Share in buildings of two or more36.4 percent plus or minus 7.5
- Mobile homes0
- Median year structure built1955
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Castle Shannon
How Castle Shannon gets to work
- Workers 16 and over who commute4,327
- Commuting under 15 minutes680 plus or minus 203
- Share commuting under 15 minutes15.7 percent plus or minus 4.5
- Commuting 30 minutes or more1,656 plus or minus 333
- Share commuting 30 minutes or more38.3 percent
- Drove alone65.3 percent
- Carpooled6.3 percent plus or minus 2.4
- Public transport13.1 percent plus or minus 4.5
- Walked2.0 percent plus or minus 1.8
- Worked from home12.3 percent plus or minus 3.3
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Castle Shannon
SBA loans in Castle Shannon (7(a))
- Approvals2
- Gross approval$147,000
- Average approval$73,500
- Median approval$73,500
- Largest approval$122,000
- Jobs supported44
- Jobs per approval22.0
- Loans with a final outcome0
- Paid in full0
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more0.0 percent
- Share to franchises0.0 percent
- Distinct lenders1
- Distinct industries by NAICS1
Counted by borrower city: approvals to borrowers whose address is in Castle Shannon, in any county, FY2020 to FY2026. Only 0 loans have 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.
Castle Shannon
Flood risk in Castle Shannon
- NFIP communityBorough of Castle Shannon
- NFIP community number420020
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date09/26/14(M)
The Borough of Castle Shannon participates in the National Flood Insurance Program as community 420020 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.
Allegheny County, not Castle Shannon
Allegheny County context, not Castle Shannon figures
- Establishments in Allegheny County33,812
- Covered employment, Allegheny County670,637
- Average annual pay, Allegheny County$78,297
- Housing units permitted, Allegheny County2,999
Every figure in this section is published for Allegheny County as a whole and is not a measurement of Castle Shannon.
All Allegheny 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
Castle Shannon questions, answered from the record.
How many people live in Castle Shannon, Pennsylvania?
8,209, in 3,788 households. Castle Shannon borough covers 1.60 square miles of land, which is 5,138 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Castle Shannon in?
Allegheny 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 Castle Shannon?
$64,071. The median owner-occupied home is valued at $190,300. Median gross rent is $1,126 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Castle Shannon businesses?
2 7(a) approvals totaling $147,000 since FY2020, across 1 lenders, median approval $73,500. These count approvals to borrowers whose address is in Castle Shannon, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Castle Shannon borrowers get paid back?
No rate is published for Castle Shannon. Only 0 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published. The counts are shown instead.
Is Castle Shannon in the National Flood Insurance Program?
Yes. Castle Shannon appears in the FEMA Community Status Book as Castle Shannon, borough of, community 420020, 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 Castle Shannon figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Allegheny 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 Castle Shannon.
Is zoning published for Castle Shannon?
No. Nothing on this page presents parcel level zoning.