Rock Valley city, Iowa demographics
Population: 4,018
Median age: 41.3
Median household income: 59,136
Rock Valley is a city in Sioux County, Iowa, United States.
Demographics, population, home values, social and economic characteristics of Rock Valley city, IA.
Population
| 2021 | 4,018 |
| 2020 | 3,858 |
| 2019 | 3,812 |
| 2018 | 3,712 |
| 2017 | 3,681 |
| 2016 | 3,623 |
| 2015 | 3,553 |
| 2014 | 3,495 |
| 2013 | 3,433 |
| 2012 | 3,369 |
| 2011 | 3,324 |
| 2010 | 3,274 |
| 2009 | 3,109 |
Census data for Rock Valley city, Iowa
Demographic and housing estimates in Rock Valley city, Iowa
| Total population | 4,018 |
| Male | 1,902 |
| Female | 2,116 |
| Total population | 4,018 |
| Under 5 years | 143 |
| 5 to 9 years | 333 |
| 10 to 14 years | 402 |
| 15 to 19 years | 325 |
| 20 to 24 years | 368 |
| 25 to 34 years | 254 |
| 35 to 44 years | 607 |
| 45 to 54 years | 499 |
| 55 to 59 years | 138 |
| 60 to 64 years | 199 |
| 65 to 74 years | 337 |
| 75 to 84 years | 263 |
| 85 years and over | 150 |
| Median age (years) | 41.3 |
| Under 18 years | 1,082 |
| 16 years and over | 3,085 |
| 18 years and over | 2,936 |
| 21 years and over | 2,801 |
| 62 years and over | 859 |
| 65 years and over | 750 |
| Total population | 4,018 |
| One race | 3,377 |
| White | 3,242 |
| Black or African American | 0 |
| American Indian and Alaska Native | 0 |
| Asian | 0 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 135 |
| Two or more races | 641 |
| Citizen, VOTING AGE 18 and over population | 2,727 |
| Male Citizen, VOTING AGE 18 and over population | 1,252 |
| Female Citizen, VOTING AGE 18 and over population | 1,475 |
Social characteristics in Rock Valley city, Iowa
| Total households | 1,541 |
| Family households (families) | 863 |
| Married-couple family | 88 |
| Male householder, no wife present, family | 243 |
| Female householder, no husband present, family | 243 |
| Nonfamily households | 347 |
| Average household size | 533 |
| Average family size | 2.54 |
Economic characteristics in Rock Valley city, Iowa
| Total households | 1,541 |
| Less than $10,000 | 35 |
| $10,000 to $14,999 | 97 |
| $15,000 to $24,999 | 166 |
| $25,000 to $34,999 | 56 |
| $35,000 to $49,999 | 196 |
| $50,000 to $74,999 | 313 |
| $75,000 to $99,999 | 267 |
| $100,000 to $149,999 | 204 |
| $150,000 to $199,999 | 117 |
| $200,000 or more | 90 |
| Median household income (dollars) | 59,136 |
Housing characteristics in Rock Valley city, Iowa
| Total housing units | 1,556 |
| Occupied housing units | 1,541 |
| Vacant housing units | 15 |
| Total housing units | 1,556 |
| 1-unit, detached | 1,164 |
| 1-unit, attached | 88 |
| 2 units | 0 |
| 3 or 4 units | 22 |
| 5 to 9 units | 69 |
| 10 to 19 units | 96 |
| 20 or more units | 52 |
| Mobile home | 65 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 1,556 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 127 |
| Built 2000 to 2009 | 161 |
| Built 1990 to 1999 | 282 |
| Built 1980 to 1989 | 60 |
| Built 1970 to 1979 | 161 |
| Built 1960 to 1969 | 297 |
| Built 1950 to 1959 | 177 |
| Built 1940 to 1949 | 16 |
| Built 1939 or earlier | 275 |
| Total housing units | 1,556 |
| 1 room | 0 |
| 2 rooms | 106 |
| 3 rooms | 115 |
| 4 rooms | 235 |
| 5 rooms | 123 |
| 6 rooms | 330 |
| 7 rooms | 69 |
| 8 rooms | 167 |
| 9 rooms or more | 411 |
| Median rooms | 6.1 |
| Total housing units | 1,556 |
| No bedroom | 0 |
| 1 bedroom | 170 |
| 2 bedrooms | 443 |
| 3 bedrooms | 424 |
| 4 bedrooms | 413 |
| 5 or more bedrooms | 106 |
| Occupied housing units | 1,541 |
| Owner-occupied | 1,210 |
| Renter-occupied | 331 |
| Average household size of owner-occupied unit | 2.52 |
| Average household size of renter-occupied unit | 2.62 |
| Occupied housing units | 1,541 |
| Moved in 2017 or later | 122 |
| Moved in 2015 to 2016 | 401 |
| Moved in 2010 to 2014 | 206 |
| Moved in 2000 to 2009 | 503 |
| Moved in 1990 to 1999 | 218 |
| Moved in 1989 and earlier | 91 |
| Owner-occupied units | 1,210 |
| Less than $50,000 | 74 |
| $50,000 to $99,999 | 143 |
| $100,000 to $149,999 | 197 |
| $150,000 to $199,999 | 378 |
| $200,000 to $299,999 | 226 |
| $300,000 to $499,999 | 146 |
| $500,000 to $999,999 | 46 |
| $1,000,000 or more | 0 |
| Median (dollars) | 183,100 |
| Owner-occupied units | 1,210 |
| Housing units with a mortgage | 597 |
| Housing units without a mortgage | 613 |
| Occupied units paying rent | 331 |
| Less than $500 | 39 |
| $500 to $999 | 178 |
| $1,000 to $1,499 | 79 |
| $1,500 to $1,999 | 0 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 35 |
| Median (dollars) | 908 |
| No rent paid | 0 |
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