ZIP Code 50638
| ZIP Code | 50638 |
| City | GRUNDY CENTER |
| State | IA |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 3,444 (see all) |
Cities in ZIP Code 50638
Primary city: GRUNDY CENTER, IAPost offices
GRUNDY CENTER — Post Office™ 1700 G AVE GRUNDY CENTER, IA 50638-9998 MoreGRUNDY CENTER — Post Office™1700 G AVE For facility accessibility, please call the Post Office. 1-800-ASK-USPS® (800-275-8777) Hours
Services at this Location Service hours may vary.
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Census data for ZIP Code 50638
Demographic and housing estimates in ZIP Code 50638
| Total population | 3,444 |
| Male | 1,639 |
| Female | 1,805 |
| Total population | 3,444 |
| Under 5 years | 175 |
| 5 to 9 years | 277 |
| 10 to 14 years | 296 |
| 15 to 19 years | 245 |
| 20 to 24 years | 131 |
| 25 to 34 years | 351 |
| 35 to 44 years | 543 |
| 45 to 54 years | 320 |
| 55 to 59 years | 255 |
| 60 to 64 years | 203 |
| 65 to 74 years | 306 |
| 75 to 84 years | 239 |
| 85 years and over | 103 |
| Median age (years) | 39.3 |
| Under 18 years | 916 |
| 16 years and over | 2,666 |
| 18 years and over | 2,528 |
| 21 years and over | 2,441 |
| 62 years and over | 811 |
| 65 years and over | 648 |
| Total population | 3,444 |
| One race | 3,435 |
| White | 3,372 |
| Black or African American | 0 |
| American Indian and Alaska Native | 0 |
| Asian | 24 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 39 |
| Two or more races | 9 |
| Citizen, VOTING AGE 18 and over population | 2,509 |
| Male Citizen, VOTING AGE 18 and over population | 1,206 |
| Female Citizen, VOTING AGE 18 and over population | 1,303 |
Social characteristics in ZIP Code 50638
| Total households | 1,326 |
| Family households (families) | 720 |
| Married-couple family | 98 |
| Male householder, no wife present, family | 190 |
| Female householder, no husband present, family | 126 |
| Nonfamily households | 318 |
| Average household size | 421 |
| Average family size | 2.55 |
Economic characteristics in ZIP Code 50638
| Total households | 1,326 |
| Less than $10,000 | 43 |
| $10,000 to $14,999 | 42 |
| $15,000 to $24,999 | 84 |
| $25,000 to $34,999 | 64 |
| $35,000 to $49,999 | 148 |
| $50,000 to $74,999 | 255 |
| $75,000 to $99,999 | 284 |
| $100,000 to $149,999 | 250 |
| $150,000 to $199,999 | 89 |
| $200,000 or more | 67 |
| Median household income (dollars) | 76,038 |
Housing characteristics in ZIP Code 50638
| Total housing units | 1,394 |
| Occupied housing units | 1,326 |
| Vacant housing units | 68 |
| Total housing units | 1,394 |
| 1-unit, detached | 1,240 |
| 1-unit, attached | 11 |
| 2 units | 21 |
| 3 or 4 units | 72 |
| 5 to 9 units | 14 |
| 10 to 19 units | 0 |
| 20 or more units | 9 |
| Mobile home | 27 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 1,394 |
| Built 2014 or later | 1 |
| Built 2010 to 2013 | 35 |
| Built 2000 to 2009 | 69 |
| Built 1990 to 1999 | 102 |
| Built 1980 to 1989 | 65 |
| Built 1970 to 1979 | 207 |
| Built 1960 to 1969 | 140 |
| Built 1950 to 1959 | 218 |
| Built 1940 to 1949 | 123 |
| Built 1939 or earlier | 434 |
| Total housing units | 1,394 |
| 1 room | 0 |
| 2 rooms | 0 |
| 3 rooms | 39 |
| 4 rooms | 170 |
| 5 rooms | 128 |
| 6 rooms | 294 |
| 7 rooms | 269 |
| 8 rooms | 155 |
| 9 rooms or more | 339 |
| Median rooms | 6.7 |
| Total housing units | 1,394 |
| No bedroom | 0 |
| 1 bedroom | 100 |
| 2 bedrooms | 257 |
| 3 bedrooms | 636 |
| 4 bedrooms | 325 |
| 5 or more bedrooms | 76 |
| Occupied housing units | 1,326 |
| Owner-occupied | 1,116 |
| Renter-occupied | 210 |
| Average household size of owner-occupied unit | 2.63 |
| Average household size of renter-occupied unit | 2.09 |
| Occupied housing units | 1,326 |
| Moved in 2017 or later | 89 |
| Moved in 2015 to 2016 | 287 |
| Moved in 2010 to 2014 | 167 |
| Moved in 2000 to 2009 | 347 |
| Moved in 1990 to 1999 | 187 |
| Moved in 1989 and earlier | 249 |
| Owner-occupied units | 1,116 |
| Less than $50,000 | 60 |
| $50,000 to $99,999 | 271 |
| $100,000 to $149,999 | 260 |
| $150,000 to $199,999 | 241 |
| $200,000 to $299,999 | 148 |
| $300,000 to $499,999 | 128 |
| $500,000 to $999,999 | 0 |
| $1,000,000 or more | 8 |
| Median (dollars) | 142,900 |
| Owner-occupied units | 1,116 |
| Housing units with a mortgage | 652 |
| Housing units without a mortgage | 464 |
| Occupied units paying rent | 188 |
| Less than $500 | 57 |
| $500 to $999 | 105 |
| $1,000 to $1,499 | 26 |
| $1,500 to $1,999 | 0 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 655 |
| No rent paid | 22 |
Data is based on 2021 Census