HomeWashingtonKing CountySeaTac
SeaTac, Washington: commercial real estate data.
SeaTac is a Census city of 32,414 people across 10.06 square miles of land, in King County. Median household income is $81,104, 46.5 percent of occupied homes are owned, and the SBA record carries 19 7(a) approvals to borrowers here worth $17.1 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
SeaTac
What SeaTac is
- Census place typecity
- Land area10.06 sq mi
- Water area0.18 sq mi
- Population per square mile of land3,221
- County holding the largest share of its areaKing 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.
SeaTac
How many people live in SeaTac
- Population32,414
- Median age36.8
- Population under 187,306
- Share under 1822.5 percent
- Population 65 and over4,141
- Share 65 and over12.8 percent
- Households12,134
- Family households7,377
- Share of households that are families60.8 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
SeaTac
Income and work in SeaTac
- Median household income$81,104
- Per capita income$38,330
- Civilian labor force17,768
- Employed16,533
- Unemployed1,235 plus or minus 387
- Unemployment rate7.0 percent plus or minus 2.2
- Adults 25 and over22,783
- Adults 25 and over with a high school diploma or higher83.9 percent
- Adults 25 and over with a bachelor degree or higher26.4 percent
- Adults 25 and over with a graduate degree6.7 percent plus or minus 1.6
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
SeaTac
Housing in SeaTac
- Housing units12,886
- Occupied units12,134
- Vacant units752 plus or minus 273
- Vacancy rate5.8 percent plus or minus 2.1
- Owner occupied5,642
- Renter occupied6,492
- Ownership rate46.5 percent
- Median owner-occupied home value$519,700
- Median gross rent, monthly$1,660
- Annual rent as a share of median income24.6 percent
- Single family units5,842
- Share single family45.3 percent
- Units in buildings of two or more6,456
- Share in buildings of two or more50.1 percent
- Mobile homes588 plus or minus 303
- Median year structure built1972
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
SeaTac
How SeaTac gets to work
- Workers 16 and over who commute14,054
- Commuting under 15 minutes3,317
- Share commuting under 15 minutes23.6 percent
- Commuting 30 minutes or more5,209
- Share commuting 30 minutes or more37.1 percent
- Drove alone58.5 percent
- Carpooled16.6 percent plus or minus 3.9
- Public transport6.5 percent plus or minus 2.3
- Walked5.2 percent plus or minus 2.2
- Worked from home11.5 percent plus or minus 2.8
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
SeaTac
SBA loans in SeaTac (7(a))
- Approvals19
- Gross approval$17,141,300
- Average approval$902,174
- Median approval$210,000
- Largest approval$5,000,000
- Jobs supported130
- Jobs per approval6.8
- Loans with a final outcome4
- Paid in full4
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more26.3 percent
- Share to franchises10.5 percent
- Distinct lenders13
- Distinct industries by NAICS15
Counted by borrower city: approvals to borrowers whose address is in SeaTac, in any county, FY2020 to FY2026. Only 4 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.
SeaTac
SBA loans in SeaTac (504)
- Approvals8
- Gross approval$16,570,000
- Average approval$2,071,250
- Median approval$1,652,500
- Largest approval$5,088,000
- Jobs supported82
- Loans with a final outcome3
- Charged off0
- Median term240 months
- Distinct CDCs3
Counted by borrower city: approvals to borrowers whose address is in SeaTac, in any county, FY2010 to FY2026. Only 3 loans have 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.
SeaTac
Flood risk in SeaTac
- NFIP communityCity of Seatac
- NFIP community number530320
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date08/19/20
The City of Seatac participates in the National Flood Insurance Program as community 530320 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.
King County, not SeaTac
King County context, not SeaTac figures
- Establishments in King County70,376
- Covered employment, King County1,449,785
- Average annual pay, King County$132,279
- Housing units permitted, King County10,564
Every figure in this section is published for King County as a whole and is not a measurement of SeaTac.
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
SeaTac questions, answered from the record.
How many people live in SeaTac, Washington?
32,414, in 12,134 households. SeaTac city covers 10.06 square miles of land, which is 3,221 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is SeaTac in?
King 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 SeaTac?
$81,104. The median owner-occupied home is valued at $519,700. Median gross rent is $1,660 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to SeaTac businesses?
19 7(a) approvals totaling $17.1 m since FY2020, across 13 lenders, median approval $210,000, plus 8 504 approvals worth $16.6 m since FY2010. These count approvals to borrowers whose address is in SeaTac, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to SeaTac borrowers get paid back?
No rate is published for SeaTac. Only 4 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 SeaTac in the National Flood Insurance Program?
Yes. SeaTac appears in the FEMA Community Status Book as Seatac, city of, community 530320, 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 SeaTac figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for King 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 SeaTac.
Is zoning published for SeaTac?
No. Nothing on this page presents parcel level zoning.
Nearby