County · Iowa

Dickinson County, Iowa

Dickinson County, Iowa. Dickinson County had 18,077 residents in 2025 by the Census Bureau's estimate, up 2.1% since 2020, faster than Iowa (+1.5%). It holds 10 places (10 cities, villages and boroughs) and 6 census tracts. GEOID 19059.

Dickinson County is the county of the Spirit Lake, IA micropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

18,077

Census Bureau estimate (no margin published)
2020 Census count: 17,703 · ACS 2020-2024: 17,990

Median household income

$75,432

±$5,466 (90% margin)
Iowa: $75,059

Median home value

$270,700

±$17,339 (90% margin)
Iowa: $208,000

Median gross rent

$922

±$31 (90% margin)
Iowa: $972

How many people live in Dickinson County, and is it growing?

The 2020 Census counted 17,703 residents in Dickinson County. The Census Bureau estimates 18,077 for July 1, 2025, up 2.1% since 2020, faster than Iowa (+1.5%). The 2020-2024 American Community Survey puts the population at 17,990 over 381 square miles of land.

  • July 2020→2021 +110 (17,885)
  • 2021→2022 +171 (18,056)
  • 2022→2023 +25 (18,081)
  • 2023→2024 −9 (18,072)
  • 2024→2025 +5 (18,077)
Dickinson County in Iowa. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureDickinson CountyIowaChange since 2015-2019
Total population17,9903,210,507+863
Households8,845±2791,315,707+671
Average household size2.00±0.062.36no clear change
Housing units14,206±2981,437,699+352

Dickinson County's population since 2000

From 16,424 in 2000 to 18,077 in 2025: up 10.1%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 16,424
  • 2005 (estimate) 16,644
  • 2010 Census 16,667
  • 2015 (estimate) 17,009
  • 2020 Census 17,703
  • 2025 (estimate) 18,077

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Dickinson County?

Dickinson County holds 10 places: 10 cities, villages and boroughs (incorporated places). The largest is Spirit Lake with 5,525 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Dickinson County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Spirit Lakecity5,4395,518±16$65,720$215,1006.3%100%
Milfordcity3,3213,311±17$63,369$218,4008.9%100%
Lake Parkcity1,1671,184±200$74,500$168,8004.6%100%
Arnolds Parkcity1,110922±182$86,833$438,9006.0%100%
Okobojicity768969±196$73,000$299,30011.2%100%
OrleansGEOID 1959655city521527±151$74,750$573,2001.9%100%
Wahpetoncity345443±95$107,917$495,5005.7%100%
Terrilcity334290±70$43,889$95,50016.0%100%
West Okobojicity308418±89$66,250$593,8003.6%100%
SuperiorGEOID 1976440city132111±54$75,625$82,9003.7%100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Dickinson County?

The median resident of Dickinson County is 48.7 years old; 19.1% are under 18 and 28.2% are 65 or older. The largest group is non-Hispanic white residents at 93.4%, then non-Hispanic residents of two or more races at 3.2%. 1.2% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureDickinson CountyIowaChange since 2015-2019
Median age48.7±1.038.6no clear change
Under 18 years19.1%22.9%–
65 years and over28.2%±0.2 pts18.1%–
Hispanic or Latino (any race)2.9%7.3%+0.9 pts
White alone, not Hispanic93.4%±0.4 pts82.3%−2.3 pts
Black or African American alone, not Hispanic0.0%±0.1 pts3.8%–
Asian alone, not Hispanic0.5%±0.3 pts2.5%−0.4 pts
American Indian and Alaska Native alone, not Hispanic0.1%±0.1 pts0.2%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.1 pts0.2%–
Two or more races, not Hispanic3.2%±0.5 pts3.5%–
Some other race alone, not Hispanic0.0%±0.1 pts0.3%–
Born outside the United States1.2%±0.4 pts5.9%no clear change
Speak a language other than English at home (age 5+)1.7%±0.5 pts9.1%–
Civilian veterans (age 18+)8.0%±1.3 pts6.5%–
With a disability14.7%±2.2 pts12.6%–
No health insurance coverage2.6%±0.8 pts5.0%−1.5 pts
High school graduate or higher (age 25+)96.9%±1.1 pts93.3%–
Bachelor's degree or higher (age 25+)31.2%±2.5 pts31.4%no clear change
Graduate or professional degree (age 25+)8.6%±1.2 pts10.5%–
Moved from another state in the past year1.2%±0.6 pts2.2%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Dickinson County earn?

Half of Dickinson County's 8,845 households earn less than $75,432 a year (±$5,466), against $75,059 in Iowa. In 2015-2019 it was $73,803 in 2024 dollars; the margins of error cannot tell the two periods apart. 7.6% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureDickinson CountyIowaChange since 2015-2019
Median household income$75,432±$5,466$75,059no clear change
Mean household income$102,164±$5,350$98,187–
Per capita income$48,636±$2,400$40,877no clear change
People below the poverty line7.6%±1.7 pts11.1%no clear change
Children under 18 below the poverty line7.9%±3.1 pts12.9%no clear change
Households receiving SNAP4.5%±1.4 pts8.8%–
Households with a broadband subscription90.8%±1.9 pts88.9%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Dickinson County?

Owners occupy 77.5% of Dickinson County's occupied homes and renters 22.5%. The median owner-occupied home is valued at $270,700 by its owner (±$17,339). The median renter pays $922 a month including utilities, and 34.5% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureDickinson CountyIowaChange since 2015-2019
Median home value (owner-occupied)$270,700±$17,339$208,000+$31,576
Median gross rent$922±$31$972−$117
Renters paying 35% or more of income on rent34.5%±7.9 pts35.2%no clear change
Median monthly owner costs, with a mortgage$1,529±$70$1,533–
Owner-occupied homes77.5%±2.9 pts71.7%no clear change
Housing units14,206±2981,437,699+352
Homeowner vacancy rate0.3%±0.4 pts0.8%–
Rental vacancy rate0.4%±0.7 pts5.7%–
Single-family detached homes71.0%±2.6 pts72.2%–
Mobile homes8.9%±1.5 pts3.2%–
Built 2020 or later1.6%±0.8 pts1.7%–
Built 1939 or earlier16.7%±2.0 pts23.5%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Dickinson County building?

Builders took permits for 117 new housing units across Dickinson County in 2025 (78 single-family), 6.5 per 1,000 residents.

  • 2019 200 units
  • 2020 198 units
  • 2021 385 units
  • 2022 434 units
  • 2023 354 units
  • 2024 292 units
  • 2025 117 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Dickinson County get to work?

77.7% of Dickinson County's workers drive alone and 10.5% work from home. The average trip to work takes 16.7 minutes. The unemployment rate in 2020-2024 averaged 3.0%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureDickinson CountyIowaChange since 2015-2019
In the labor force (age 16+)64.5%±1.6 pts66.4%–
Unemployment rate3.0%±1.0 pts3.6%no clear change
Drove alone to work77.7%±3.1 pts76.0%–
Carpooled8.0%±1.9 pts7.8%–
Public transportation0.0%±0.3 pts0.7%–
Walked2.4%±1.2 pts2.9%–
Worked from home10.5%±2.3 pts11.3%+5.2 pts
Mean travel time to work16.7 min±1.319.8 minno clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Dickinson County's census tracts?

Dickinson County is divided into 6 census tracts. Among those with a reliable estimate, median household income runs from $57,774 (Tract 4505.01) to $91,974 (Tract 4510).

Census tracts of Dickinson County, ACS 2020-2024 5-year estimates; sort by any column
Tract 450219059450200Lake Park (19%)2,3002,338±215$87,292$223,900$8936.2%
Tract 4505.0119059450501Spirit Lake (90%)2,3612,537±320$57,774$186,700$95410.0%
Tract 4505.0219059450502Spirit Lake (79%)3,1713,018±336$77,614$267,700$8995.3%
Tract 450819059450800Milford (38%)3,5113,724±280$65,417$217,900$9018.2%
Tract 451019059451000Superior (8%)2,4462,381±265$91,974$422,400$1,3845.5%
Tract 451119059451100Arnolds Park (21%)3,9143,992±280$75,875$451,700$9809.2%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Dickinson County compare with Iowa's other counties?

Dickinson County's rank among Iowa's counties with a reliable estimate (1 = highest)
MeasureRank
Population39th of 99
Growth 2020-202513th of 99
Residents per square mile26th of 99
Median household income27th of 99
Median home value3rd of 99
Median gross rent16th of 99
Poverty rate84th of 99
Bachelor's degree or higher12th of 99
Median age1st of 99

Every county in Iowa

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Dickinson County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.