ZIP Code 50702
| ZIP Code | 50702 | 
| City | WATERLOO | 
| State | IA | 
| Type | STANDARD | 
| Post offices count | 1 (see all) | 
| Total population | 20,270 (see all) | 
Cities in ZIP Code 50702
Primary city: WATERLOO, IAAcceptable: WASHBURN
Post offices
| WATERLOO — Post Office™ 300 SYCAMORE ST WATERLOO, IA 50701-9998 MoreWATERLOO — Post Office™300 SYCAMORE 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.
 | 
Map
Census data for ZIP Code 50702
Demographic and housing estimates in ZIP Code 50702
| Total population | 20,270 | 
| Male | 10,339 | 
| Female | 9,931 | 
| Total population | 20,270 | 
| Under 5 years | 1,439 | 
| 5 to 9 years | 1,421 | 
| 10 to 14 years | 1,067 | 
| 15 to 19 years | 1,534 | 
| 20 to 24 years | 1,404 | 
| 25 to 34 years | 2,789 | 
| 35 to 44 years | 2,880 | 
| 45 to 54 years | 2,351 | 
| 55 to 59 years | 1,279 | 
| 60 to 64 years | 1,193 | 
| 65 to 74 years | 1,618 | 
| 75 to 84 years | 847 | 
| 85 years and over | 448 | 
| Median age (years) | 36.6 | 
| Under 18 years | 4,869 | 
| 16 years and over | 15,913 | 
| 18 years and over | 15,401 | 
| 21 years and over | 14,575 | 
| 62 years and over | 3,721 | 
| 65 years and over | 2,913 | 
| Total population | 20,270 | 
| One race | 19,664 | 
| White | 15,831 | 
| Black or African American | 2,382 | 
| American Indian and Alaska Native | 56 | 
| Asian | 869 | 
| Native Hawaiian and Other Pacific Islander | 0 | 
| Some other race | 526 | 
| Two or more races | 606 | 
| Citizen, VOTING AGE 18 and over population | 13,947 | 
| Male Citizen, VOTING AGE 18 and over population | 6,891 | 
| Female Citizen, VOTING AGE 18 and over population | 7,056 | 
Social characteristics in ZIP Code 50702
| Total households | 8,642 | 
| Family households (families) | 3,664 | 
| Married-couple family | 775 | 
| Male householder, no wife present, family | 1,834 | 
| Female householder, no husband present, family | 1,462 | 
| Nonfamily households | 2,369 | 
| Average household size | 2,108 | 
| Average family size | 2.32 | 
Economic characteristics in ZIP Code 50702
| Total households | 8,642 | 
| Less than $10,000 | 576 | 
| $10,000 to $14,999 | 291 | 
| $15,000 to $24,999 | 735 | 
| $25,000 to $34,999 | 941 | 
| $35,000 to $49,999 | 1,310 | 
| $50,000 to $74,999 | 1,952 | 
| $75,000 to $99,999 | 1,175 | 
| $100,000 to $149,999 | 1,272 | 
| $150,000 to $199,999 | 237 | 
| $200,000 or more | 153 | 
| Median household income (dollars) | 55,026 | 
Housing characteristics in ZIP Code 50702
| Total housing units | 9,458 | 
| Occupied housing units | 8,642 | 
| Vacant housing units | 816 | 
| Total housing units | 9,458 | 
| 1-unit, detached | 6,465 | 
| 1-unit, attached | 402 | 
| 2 units | 425 | 
| 3 or 4 units | 355 | 
| 5 to 9 units | 584 | 
| 10 to 19 units | 547 | 
| 20 or more units | 630 | 
| Mobile home | 37 | 
| Boat, RV, van, etc. | 13 | 
| Total housing units | 9,458 | 
| Built 2014 or later | 0 | 
| Built 2010 to 2013 | 458 | 
| Built 2000 to 2009 | 325 | 
| Built 1990 to 1999 | 519 | 
| Built 1980 to 1989 | 341 | 
| Built 1970 to 1979 | 1,039 | 
| Built 1960 to 1969 | 2,016 | 
| Built 1950 to 1959 | 2,380 | 
| Built 1940 to 1949 | 850 | 
| Built 1939 or earlier | 1,530 | 
| Total housing units | 9,458 | 
| 1 room | 159 | 
| 2 rooms | 178 | 
| 3 rooms | 1,080 | 
| 4 rooms | 1,946 | 
| 5 rooms | 2,339 | 
| 6 rooms | 1,709 | 
| 7 rooms | 781 | 
| 8 rooms | 524 | 
| 9 rooms or more | 742 | 
| Median rooms | 5.1 | 
| Total housing units | 9,458 | 
| No bedroom | 168 | 
| 1 bedroom | 1,313 | 
| 2 bedrooms | 3,445 | 
| 3 bedrooms | 3,745 | 
| 4 bedrooms | 674 | 
| 5 or more bedrooms | 113 | 
| Occupied housing units | 8,642 | 
| Owner-occupied | 5,322 | 
| Renter-occupied | 3,320 | 
| Average household size of owner-occupied unit | 2.43 | 
| Average household size of renter-occupied unit | 2.15 | 
| Occupied housing units | 8,642 | 
| Moved in 2017 or later | 1,000 | 
| Moved in 2015 to 2016 | 2,780 | 
| Moved in 2010 to 2014 | 1,501 | 
| Moved in 2000 to 2009 | 1,436 | 
| Moved in 1990 to 1999 | 937 | 
| Moved in 1989 and earlier | 988 | 
| Owner-occupied units | 5,322 | 
| Less than $50,000 | 109 | 
| $50,000 to $99,999 | 1,337 | 
| $100,000 to $149,999 | 2,081 | 
| $150,000 to $199,999 | 1,245 | 
| $200,000 to $299,999 | 402 | 
| $300,000 to $499,999 | 71 | 
| $500,000 to $999,999 | 14 | 
| $1,000,000 or more | 63 | 
| Median (dollars) | 122,300 | 
| Owner-occupied units | 5,322 | 
| Housing units with a mortgage | 3,774 | 
| Housing units without a mortgage | 1,548 | 
| Occupied units paying rent | 3,246 | 
| Less than $500 | 514 | 
| $500 to $999 | 1,983 | 
| $1,000 to $1,499 | 671 | 
| $1,500 to $1,999 | 15 | 
| $2,000 to $2,499 | 56 | 
| $2,500 to $2,999 | 0 | 
| $3,000 or more | 7 | 
| Median (dollars) | 792 | 
| No rent paid | 74 | 
Data is based on 2021 Census