ZIP Code 51301
| ZIP Code | 51301 |
| City | SPENCER |
| State | IA |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 12,326 (see all) |
Cities in ZIP Code 51301
Primary city: SPENCER, IAPost offices
SPENCER — Post Office™ 11 E 18TH ST SPENCER, IA 51301-9998 MoreSPENCER — Post Office™11 E 18TH ST 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 51301
Demographic and housing estimates in ZIP Code 51301
| Total population | 12,326 |
| Male | 5,866 |
| Female | 6,460 |
| Total population | 12,326 |
| Under 5 years | 672 |
| 5 to 9 years | 800 |
| 10 to 14 years | 907 |
| 15 to 19 years | 793 |
| 20 to 24 years | 698 |
| 25 to 34 years | 1,319 |
| 35 to 44 years | 1,437 |
| 45 to 54 years | 1,377 |
| 55 to 59 years | 717 |
| 60 to 64 years | 1,004 |
| 65 to 74 years | 1,352 |
| 75 to 84 years | 854 |
| 85 years and over | 396 |
| Median age (years) | 40.9 |
| Under 18 years | 2,881 |
| 16 years and over | 9,781 |
| 18 years and over | 9,445 |
| 21 years and over | 9,037 |
| 62 years and over | 3,342 |
| 65 years and over | 2,602 |
| Total population | 12,326 |
| One race | 11,862 |
| White | 11,627 |
| Black or African American | 13 |
| American Indian and Alaska Native | 24 |
| Asian | 81 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 117 |
| Two or more races | 464 |
| Citizen, VOTING AGE 18 and over population | 9,366 |
| Male Citizen, VOTING AGE 18 and over population | 4,506 |
| Female Citizen, VOTING AGE 18 and over population | 4,860 |
Social characteristics in ZIP Code 51301
| Total households | 5,418 |
| Family households (families) | 2,388 |
| Married-couple family | 284 |
| Male householder, no wife present, family | 1,085 |
| Female householder, no husband present, family | 867 |
| Nonfamily households | 1,661 |
| Average household size | 1,794 |
| Average family size | 2.22 |
Economic characteristics in ZIP Code 51301
| Total households | 5,418 |
| Less than $10,000 | 198 |
| $10,000 to $14,999 | 375 |
| $15,000 to $24,999 | 818 |
| $25,000 to $34,999 | 646 |
| $35,000 to $49,999 | 733 |
| $50,000 to $74,999 | 845 |
| $75,000 to $99,999 | 668 |
| $100,000 to $149,999 | 789 |
| $150,000 to $199,999 | 193 |
| $200,000 or more | 153 |
| Median household income (dollars) | 48,342 |
Housing characteristics in ZIP Code 51301
| Total housing units | 6,026 |
| Occupied housing units | 5,418 |
| Vacant housing units | 608 |
| Total housing units | 6,026 |
| 1-unit, detached | 4,284 |
| 1-unit, attached | 130 |
| 2 units | 229 |
| 3 or 4 units | 411 |
| 5 to 9 units | 356 |
| 10 to 19 units | 152 |
| 20 or more units | 391 |
| Mobile home | 73 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 6,026 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 225 |
| Built 2000 to 2009 | 531 |
| Built 1990 to 1999 | 463 |
| Built 1980 to 1989 | 593 |
| Built 1970 to 1979 | 1,086 |
| Built 1960 to 1969 | 611 |
| Built 1950 to 1959 | 604 |
| Built 1940 to 1949 | 340 |
| Built 1939 or earlier | 1,573 |
| Total housing units | 6,026 |
| 1 room | 35 |
| 2 rooms | 97 |
| 3 rooms | 497 |
| 4 rooms | 958 |
| 5 rooms | 1,175 |
| 6 rooms | 826 |
| 7 rooms | 1,036 |
| 8 rooms | 442 |
| 9 rooms or more | 960 |
| Median rooms | 5.8 |
| Total housing units | 6,026 |
| No bedroom | 54 |
| 1 bedroom | 544 |
| 2 bedrooms | 1,817 |
| 3 bedrooms | 2,256 |
| 4 bedrooms | 1,061 |
| 5 or more bedrooms | 294 |
| Occupied housing units | 5,418 |
| Owner-occupied | 3,590 |
| Renter-occupied | 1,828 |
| Average household size of owner-occupied unit | 2.37 |
| Average household size of renter-occupied unit | 1.94 |
| Occupied housing units | 5,418 |
| Moved in 2017 or later | 698 |
| Moved in 2015 to 2016 | 1,353 |
| Moved in 2010 to 2014 | 557 |
| Moved in 2000 to 2009 | 1,521 |
| Moved in 1990 to 1999 | 429 |
| Moved in 1989 and earlier | 860 |
| Owner-occupied units | 3,590 |
| Less than $50,000 | 91 |
| $50,000 to $99,999 | 734 |
| $100,000 to $149,999 | 1,075 |
| $150,000 to $199,999 | 624 |
| $200,000 to $299,999 | 584 |
| $300,000 to $499,999 | 430 |
| $500,000 to $999,999 | 42 |
| $1,000,000 or more | 10 |
| Median (dollars) | 144,100 |
| Owner-occupied units | 3,590 |
| Housing units with a mortgage | 2,065 |
| Housing units without a mortgage | 1,525 |
| Occupied units paying rent | 1,763 |
| Less than $500 | 393 |
| $500 to $999 | 1,094 |
| $1,000 to $1,499 | 247 |
| $1,500 to $1,999 | 29 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 710 |
| No rent paid | 65 |
Data is based on 2021 Census