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Rio Dell, California: commercial real estate data.

Rio Dell is a Census city of 3,349 people across 2.48 square miles of land, in Humboldt County. Median household income is $42,753, 56.8 percent of occupied homes are owned, and the SBA record carries 1 7(a) approvals to borrowers here worth $742,500 since FY2020.

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

Rio Dell

What Rio Dell is

  • Census place typecity
  • Land area2.48 sq mi
  • Water area0.13 sq mi
  • Population per square mile of land1,348
  • County holding the largest share of its areaHumboldt 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.

Rio Dell

How many people live in Rio Dell

  • Population3,349
  • Median age35.2
  • Population under 18888 plus or minus 260
  • Share under 1826.5 percent plus or minus 7.8
  • Population 65 and over526 plus or minus 217
  • Share 65 and over15.7 percent plus or minus 6.5
  • Households1,480
  • Family households874
  • Share of households that are families59.1 percent

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

Rio Dell

Income and work in Rio Dell

  • Median household income$42,753 plus or minus $14,364
  • Per capita income$25,317
  • Civilian labor force1,432
  • Employed1,227
  • Unemployed205 plus or minus 105
  • Unemployment rate14.3 percent plus or minus 7.0
  • Adults 25 and over2,324
  • Adults 25 and over with a high school diploma or higher92.4 percent
  • Adults 25 and over with a bachelor degree or higher10.7 percent plus or minus 5.3
  • Adults 25 and over with a graduate degree3.1 percent plus or minus 2.4

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

Rio Dell

Housing in Rio Dell

  • Housing units1,656
  • Occupied units1,480
  • Vacant units176 plus or minus 105
  • Vacancy rate10.6 percent plus or minus 6.2
  • Owner occupied841 plus or minus 177
  • Renter occupied639 plus or minus 221
  • Ownership rate56.8 percent
  • Median owner-occupied home value$301,700
  • Median gross rent, monthly$1,042
  • Annual rent as a share of median income29.2 percent plus or minus 10.5
  • Single family units1,207
  • Share single family72.9 percent
  • Units in buildings of two or more385 plus or minus 168
  • Share in buildings of two or more23.2 percent plus or minus 9.7
  • Mobile homes64 plus or minus 52
  • Median year structure built1977

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

Rio Dell

How Rio Dell gets to work

  • Workers 16 and over who commute1,044 plus or minus 249
  • Commuting under 15 minutes354 plus or minus 157
  • Share commuting under 15 minutes33.9 percent plus or minus 12.7
  • Commuting 30 minutes or more431 plus or minus 205
  • Share commuting 30 minutes or more41.3 percent plus or minus 17.0
  • Drove alone79.8 percent
  • Carpooled6.0 percent plus or minus 4.4
  • Public transport0.0 percent
  • Walked0.0 percent
  • Worked from home14.2 percent plus or minus 12.3

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

Rio Dell

SBA loans in Rio Dell (7(a))

  • Approvals1
  • Gross approval$742,500
  • Average approval$742,500
  • Median approval$742,500
  • Largest approval$742,500
  • Jobs supported13
  • Jobs per approval13.0
  • Loans with a final outcome0
  • Paid in full0
  • Charged off0
  • Median term300 months
  • Share on real estate terms of 20 years or more100.0 percent
  • Share to franchises0.0 percent
  • Distinct lenders1
  • Distinct industries by NAICS1

Counted by borrower city: approvals to borrowers whose address is in Rio Dell, 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.

Rio Dell

Flood risk in Rio Dell

  • NFIP communityCity of Rio Dell
  • NFIP community number060064
  • Participating in the NFIPYes
  • Community Rating System classNone
  • Currently effective map date11/04/16

The City of Rio Dell participates in the National Flood Insurance Program as community 060064 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.

Humboldt County, not Rio Dell

Humboldt County context, not Rio Dell figures

  • Establishments in Humboldt County3,178
  • Covered employment, Humboldt County51,858
  • Average annual pay, Humboldt County$55,212
  • Housing units permitted, Humboldt County194

Every figure in this section is published for Humboldt County as a whole and is not a measurement of Rio Dell.

All Humboldt 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

Rio Dell questions, answered from the record.

How many people live in Rio Dell, California?

3,349, in 1,480 households. Rio Dell city covers 2.48 square miles of land, which is 1,348 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

What county is Rio Dell in?

Humboldt 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 Rio Dell?

$42,753. The median owner-occupied home is valued at $301,700. Median gross rent is $1,042 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

How much SBA lending goes to Rio Dell businesses?

1 7(a) approvals totaling $742,500 since FY2020, across 1 lenders, median approval $742,500. These count approvals to borrowers whose address is in Rio Dell, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.

Do SBA loans to Rio Dell borrowers get paid back?

No rate is published for Rio Dell. 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 Rio Dell in the National Flood Insurance Program?

Yes. Rio Dell appears in the FEMA Community Status Book as Rio Dell, city of, community 060064, 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 Rio Dell figures?

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

Is zoning published for Rio Dell?

No. Nothing on this page presents parcel level zoning.