ZIP Code 51040
| ZIP Code | 51040 |
| City | ONAWA |
| State | IA |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 3,450 (see all) |
Cities in ZIP Code 51040
Primary city: ONAWA, IAAcceptable: TURIN
Post offices
ONAWA — Post Office™ 1017 IOWA AVE ONAWA, IA 51040-9998 MoreONAWA — Post Office™1017 IOWA 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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Map
Census data for ZIP Code 51040
Demographic and housing estimates in ZIP Code 51040
| Total population | 3,450 |
| Male | 1,608 |
| Female | 1,842 |
| Total population | 3,450 |
| Under 5 years | 189 |
| 5 to 9 years | 166 |
| 10 to 14 years | 252 |
| 15 to 19 years | 288 |
| 20 to 24 years | 161 |
| 25 to 34 years | 429 |
| 35 to 44 years | 424 |
| 45 to 54 years | 418 |
| 55 to 59 years | 201 |
| 60 to 64 years | 211 |
| 65 to 74 years | 275 |
| 75 to 84 years | 255 |
| 85 years and over | 181 |
| Median age (years) | 38.6 |
| Under 18 years | 777 |
| 16 years and over | 2,743 |
| 18 years and over | 2,673 |
| 21 years and over | 2,545 |
| 62 years and over | 875 |
| 65 years and over | 711 |
| Total population | 3,450 |
| One race | 3,380 |
| White | 3,307 |
| Black or African American | 2 |
| American Indian and Alaska Native | 38 |
| Asian | 0 |
| Native Hawaiian and Other Pacific Islander | 33 |
| Some other race | 0 |
| Two or more races | 70 |
| Citizen, VOTING AGE 18 and over population | 2,672 |
| Male Citizen, VOTING AGE 18 and over population | 1,242 |
| Female Citizen, VOTING AGE 18 and over population | 1,430 |
Social characteristics in ZIP Code 51040
| Total households | 1,459 |
| Family households (families) | 608 |
| Married-couple family | 127 |
| Male householder, no wife present, family | 231 |
| Female householder, no husband present, family | 162 |
| Nonfamily households | 493 |
| Average household size | 518 |
| Average family size | 2.32 |
Economic characteristics in ZIP Code 51040
| Total households | 1,459 |
| Less than $10,000 | 97 |
| $10,000 to $14,999 | 110 |
| $15,000 to $24,999 | 152 |
| $25,000 to $34,999 | 100 |
| $35,000 to $49,999 | 256 |
| $50,000 to $74,999 | 293 |
| $75,000 to $99,999 | 153 |
| $100,000 to $149,999 | 184 |
| $150,000 to $199,999 | 54 |
| $200,000 or more | 60 |
| Median household income (dollars) | 51,036 |
Housing characteristics in ZIP Code 51040
| Total housing units | 1,778 |
| Occupied housing units | 1,459 |
| Vacant housing units | 319 |
| Total housing units | 1,778 |
| 1-unit, detached | 1,471 |
| 1-unit, attached | 0 |
| 2 units | 17 |
| 3 or 4 units | 37 |
| 5 to 9 units | 55 |
| 10 to 19 units | 0 |
| 20 or more units | 147 |
| Mobile home | 51 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 1,778 |
| Built 2014 or later | 2 |
| Built 2010 to 2013 | 84 |
| Built 2000 to 2009 | 126 |
| Built 1990 to 1999 | 114 |
| Built 1980 to 1989 | 76 |
| Built 1970 to 1979 | 221 |
| Built 1960 to 1969 | 260 |
| Built 1950 to 1959 | 76 |
| Built 1940 to 1949 | 138 |
| Built 1939 or earlier | 681 |
| Total housing units | 1,778 |
| 1 room | 120 |
| 2 rooms | 28 |
| 3 rooms | 84 |
| 4 rooms | 186 |
| 5 rooms | 283 |
| 6 rooms | 409 |
| 7 rooms | 126 |
| 8 rooms | 277 |
| 9 rooms or more | 265 |
| Median rooms | 6.0 |
| Total housing units | 1,778 |
| No bedroom | 120 |
| 1 bedroom | 140 |
| 2 bedrooms | 462 |
| 3 bedrooms | 707 |
| 4 bedrooms | 271 |
| 5 or more bedrooms | 78 |
| Occupied housing units | 1,459 |
| Owner-occupied | 1,071 |
| Renter-occupied | 388 |
| Average household size of owner-occupied unit | 2.50 |
| Average household size of renter-occupied unit | 1.83 |
| Occupied housing units | 1,459 |
| Moved in 2017 or later | 163 |
| Moved in 2015 to 2016 | 369 |
| Moved in 2010 to 2014 | 184 |
| Moved in 2000 to 2009 | 341 |
| Moved in 1990 to 1999 | 138 |
| Moved in 1989 and earlier | 264 |
| Owner-occupied units | 1,071 |
| Less than $50,000 | 226 |
| $50,000 to $99,999 | 281 |
| $100,000 to $149,999 | 210 |
| $150,000 to $199,999 | 185 |
| $200,000 to $299,999 | 94 |
| $300,000 to $499,999 | 63 |
| $500,000 to $999,999 | 12 |
| $1,000,000 or more | 0 |
| Median (dollars) | 104,700 |
| Owner-occupied units | 1,071 |
| Housing units with a mortgage | 645 |
| Housing units without a mortgage | 426 |
| Occupied units paying rent | 339 |
| Less than $500 | 79 |
| $500 to $999 | 195 |
| $1,000 to $1,499 | 20 |
| $1,500 to $1,999 | 9 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 36 |
| $3,000 or more | 0 |
| Median (dollars) | 710 |
| No rent paid | 49 |
Data is based on 2021 Census