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Derby, Kansas: commercial real estate data.

Derby is a Census city of 26,062 people across 11.11 square miles of land, in Sedgwick County. Median household income is $84,112, 68.5 percent of occupied homes are owned, and the SBA record carries 29 7(a) approvals to borrowers here worth $11.5 m since FY2020.

Underlined figures are computed by MMCG Analytics, not published by the agency.

Derby

What Derby is

  • Census place typecity
  • Land area11.11 sq mi
  • Water area0.06 sq mi
  • Population per square mile of land2,346
  • County holding the largest share of its areaSedgwick 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.

Derby

How many people live in Derby

  • Population26,062
  • Median age35.9
  • Population under 186,965
  • Share under 1826.7 percent
  • Population 65 and over4,342
  • Share 65 and over16.7 percent
  • Households10,447
  • Family households6,843
  • Share of households that are families65.5 percent

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Derby

Income and work in Derby

  • Median household income$84,112
  • Per capita income$40,661
  • Civilian labor force12,685
  • Employed12,211
  • Unemployed474 plus or minus 198
  • Unemployment rate3.7 percent plus or minus 1.6
  • Adults 25 and over17,007
  • Adults 25 and over with a high school diploma or higher95.8 percent
  • Adults 25 and over with a bachelor degree or higher37.6 percent
  • Adults 25 and over with a graduate degree12.7 percent

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Derby

Housing in Derby

  • Housing units11,026
  • Occupied units10,447
  • Vacant units579 plus or minus 201
  • Vacancy rate5.3 percent plus or minus 1.8
  • Owner occupied7,159
  • Renter occupied3,288
  • Ownership rate68.5 percent
  • Median owner-occupied home value$236,900
  • Median gross rent, monthly$1,136
  • Annual rent as a share of median income16.2 percent
  • Single family units8,652
  • Share single family78.5 percent
  • Units in buildings of two or more2,328
  • Share in buildings of two or more21.1 percent
  • Mobile homes46 plus or minus 36
  • Median year structure built1991

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Derby

How Derby gets to work

  • Workers 16 and over who commute11,696
  • Commuting under 15 minutes3,006
  • Share commuting under 15 minutes25.7 percent
  • Commuting 30 minutes or more3,490
  • Share commuting 30 minutes or more29.8 percent
  • Drove alone84.3 percent
  • Carpooled6.0 percent plus or minus 1.6
  • Public transport0.1 percent plus or minus 0.1
  • Walked0.5 percent plus or minus 0.4
  • Worked from home7.6 percent plus or minus 1.7

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Derby

SBA loans in Derby (7(a))

  • Approvals29
  • Gross approval$11,534,500
  • Average approval$397,741
  • Median approval$150,000
  • Ninetieth percentile approval$1,061,040
  • Largest approval$2,360,000
  • Jobs supported359
  • Jobs per approval12.4
  • Loans with a final outcome5
  • Paid in full4
  • Charged off1
  • Median term120 months
  • Share on real estate terms of 20 years or more6.9 percent
  • Share to franchises20.7 percent
  • Distinct lenders18
  • Distinct industries by NAICS17

Counted by borrower city: approvals to borrowers whose address is in Derby, in any county, FY2020 to FY2026. Only 5 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.

Derby

SBA loans in Derby (504)

  • Approvals9
  • Gross approval$8,126,000
  • Average approval$902,889
  • Median approval$600,000
  • Largest approval$1,960,000
  • Jobs supported135
  • Loans with a final outcome2
  • Charged off0
  • Median term240 months
  • Distinct CDCs3

Counted by borrower city: approvals to borrowers whose address is in Derby, in any county, FY2010 to FY2026. Only 2 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.

Derby

Flood risk in Derby

  • NFIP communityCity of Derby
  • NFIP community number200323
  • Participating in the NFIPYes
  • Community Rating System classClass 7
  • Currently effective map date12/22/16

The City of Derby participates in the National Flood Insurance Program as community 200323 and carries Community Rating System class 7, a flood insurance premium discount for policies written there.

Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.

Sedgwick County, not Derby

Sedgwick County context, not Derby figures

  • Establishments in Sedgwick County12,710
  • Covered employment, Sedgwick County264,782
  • Average annual pay, Sedgwick County$60,652
  • Housing units permitted, Sedgwick County2,620

Every figure in this section is published for Sedgwick County as a whole and is not a measurement of Derby.

All Sedgwick 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

Derby questions, answered from the record.

How many people live in Derby, Kansas?

26,062, in 10,447 households. Derby city covers 11.11 square miles of land, which is 2,346 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

What county is Derby in?

Sedgwick 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 Derby?

$84,112. The median owner-occupied home is valued at $236,900. Median gross rent is $1,136 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

How much SBA lending goes to Derby businesses?

29 7(a) approvals totaling $11.5 m since FY2020, across 18 lenders, median approval $150,000, plus 9 504 approvals worth $8.1 m since FY2010. These count approvals to borrowers whose address is in Derby, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.

Do SBA loans to Derby borrowers get paid back?

No rate is published for Derby. Only 5 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 Derby in the National Flood Insurance Program?

Yes. Derby appears in the FEMA Community Status Book as Derby, city of, community 200323, carrying Community Rating System class 7, which is a premium discount for exceeding the program minimum. 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 Derby figures?

No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Sedgwick 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 Derby.

Is zoning published for Derby?

No. Nothing on this page presents parcel level zoning.