Delaware County, Iowa demographics
Population: 17,508
Median age: 43.7
Median household income: 69,319
Demographics, population, home values, social and economic characteristics of Delaware County, Iowa.
Population
| 2021 | 17,508 |
| 2020 | 17,107 |
| 2019 | 17,183 |
| 2018 | 17,258 |
| 2017 | 17,326 |
| 2016 | 17,445 |
| 2015 | 17,507 |
| 2014 | 17,578 |
| 2013 | 17,665 |
| 2012 | 17,721 |
| 2011 | 17,804 |
| 2010 | 17,857 |
| 2009 | 17,445 |
Delaware County, IA cities
Colesburg city - 521
Delaware city - 128
Delhi city - 549
Dundee city - 265
Dyersville city - 4,276
Earlville city - 891
Edgewood city - 661
Greeley city - 296
Hopkinton city - 604
Manchester city - 5,077
Masonville city - 74
Ryan city - 340
Census data for Delaware County, Iowa
Demographic and housing estimates in Delaware County, Iowa
| Total population | 17,508 |
| Male | 8,914 |
| Female | 8,594 |
| Total population | 17,508 |
| Under 5 years | 1,134 |
| 5 to 9 years | 1,111 |
| 10 to 14 years | 1,236 |
| 15 to 19 years | 1,082 |
| 20 to 24 years | 880 |
| 25 to 34 years | 1,603 |
| 35 to 44 years | 1,967 |
| 45 to 54 years | 2,094 |
| 55 to 59 years | 1,566 |
| 60 to 64 years | 1,416 |
| 65 to 74 years | 1,909 |
| 75 to 84 years | 1,042 |
| 85 years and over | 468 |
| Median age (years) | 43.7 |
| Under 18 years | 4,210 |
| 16 years and over | 13,710 |
| 18 years and over | 13,298 |
| 21 years and over | 12,714 |
| 62 years and over | 4,237 |
| 65 years and over | 3,419 |
| Total population | 17,508 |
| One race | 17,110 |
| White | 16,905 |
| Black or African American | 24 |
| American Indian and Alaska Native | 14 |
| Asian | 59 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 108 |
| Two or more races | 398 |
| Citizen, VOTING AGE 18 and over population | 13,280 |
| Male Citizen, VOTING AGE 18 and over population | 6,693 |
| Female Citizen, VOTING AGE 18 and over population | 6,587 |
Social characteristics in Delaware County, Iowa
| Total households | 6,944 |
| Family households (families) | 4,174 |
| Married-couple family | 395 |
| Male householder, no wife present, family | 1,014 |
| Female householder, no husband present, family | 831 |
| Nonfamily households | 1,361 |
| Average household size | 2,320 |
| Average family size | 2.49 |
Economic characteristics in Delaware County, Iowa
| Total households | 6,944 |
| Less than $10,000 | 199 |
| $10,000 to $14,999 | 254 |
| $15,000 to $24,999 | 534 |
| $25,000 to $34,999 | 584 |
| $35,000 to $49,999 | 907 |
| $50,000 to $74,999 | 1,340 |
| $75,000 to $99,999 | 1,088 |
| $100,000 to $149,999 | 1,246 |
| $150,000 to $199,999 | 470 |
| $200,000 or more | 322 |
| Median household income (dollars) | 69,319 |
Housing characteristics in Delaware County, Iowa
| Total housing units | 8,079 |
| Occupied housing units | 6,944 |
| Vacant housing units | 1,135 |
| Total housing units | 8,079 |
| 1-unit, detached | 7,113 |
| 1-unit, attached | 57 |
| 2 units | 115 |
| 3 or 4 units | 242 |
| 5 to 9 units | 152 |
| 10 to 19 units | 2 |
| 20 or more units | 182 |
| Mobile home | 216 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 8,079 |
| Built 2014 or later | 22 |
| Built 2010 to 2013 | 313 |
| Built 2000 to 2009 | 769 |
| Built 1990 to 1999 | 803 |
| Built 1980 to 1989 | 625 |
| Built 1970 to 1979 | 1,168 |
| Built 1960 to 1969 | 531 |
| Built 1950 to 1959 | 722 |
| Built 1940 to 1949 | 425 |
| Built 1939 or earlier | 2,701 |
| Total housing units | 8,079 |
| 1 room | 37 |
| 2 rooms | 168 |
| 3 rooms | 577 |
| 4 rooms | 868 |
| 5 rooms | 1,420 |
| 6 rooms | 1,234 |
| 7 rooms | 1,073 |
| 8 rooms | 992 |
| 9 rooms or more | 1,710 |
| Median rooms | 6.3 |
| Total housing units | 8,079 |
| No bedroom | 40 |
| 1 bedroom | 541 |
| 2 bedrooms | 1,836 |
| 3 bedrooms | 3,434 |
| 4 bedrooms | 1,762 |
| 5 or more bedrooms | 466 |
| Occupied housing units | 6,944 |
| Owner-occupied | 5,748 |
| Renter-occupied | 1,196 |
| Average household size of owner-occupied unit | 2.63 |
| Average household size of renter-occupied unit | 1.84 |
| Occupied housing units | 6,944 |
| Moved in 2017 or later | 507 |
| Moved in 2015 to 2016 | 1,063 |
| Moved in 2010 to 2014 | 1,090 |
| Moved in 2000 to 2009 | 1,590 |
| Moved in 1990 to 1999 | 1,307 |
| Moved in 1989 and earlier | 1,387 |
| Owner-occupied units | 5,748 |
| Less than $50,000 | 346 |
| $50,000 to $99,999 | 1,299 |
| $100,000 to $149,999 | 1,320 |
| $150,000 to $199,999 | 994 |
| $200,000 to $299,999 | 1,076 |
| $300,000 to $499,999 | 571 |
| $500,000 to $999,999 | 116 |
| $1,000,000 or more | 26 |
| Median (dollars) | 146,400 |
| Owner-occupied units | 5,748 |
| Housing units with a mortgage | 3,382 |
| Housing units without a mortgage | 2,366 |
| Occupied units paying rent | 1,023 |
| Less than $500 | 147 |
| $500 to $999 | 717 |
| $1,000 to $1,499 | 64 |
| $1,500 to $1,999 | 44 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 17 |
| $3,000 or more | 34 |
| Median (dollars) | 702 |
| No rent paid | 173 |
Demographic data for Delaware County, IA and each city in the county. Lists of cities by population, wealth and poverty in Delaware County, IA.
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