DUNCAN, IA ZIP Code
| City | DUNCAN |
| State | Iowa |
| ZIP Codes count | 1 (see all) |
| Post offices count | 2 (see all) |
| Total population | 103 (see all) |
50423 DUNCAN, IA is set as NOT ACCEPTABLE city name for ZIP Code 50423. Use BRITT, IA for your mailing or form filling.
This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.
List of DUNCAN, IA ZIP Codes
| ZIP | CITY | STATE | TYPE | POPU |
|---|---|---|---|---|
| 50423 | BRITT | IA | STANDARD | 2,429 |
Post offices
BRITT — Post Office™ 52 1ST ST SW BRITT, IA 50423-1512 |
GARNER — Post Office™ 190 E 3RD ST GARNER, IA 50438-1244 |
Census data for DUNCAN, IA
Demographic and housing estimates in DUNCAN, IA
| Total population | 103 |
| Male | 63 |
| Female | 40 |
| Total population | 103 |
| Under 5 years | 12 |
| 5 to 9 years | 0 |
| 10 to 14 years | 0 |
| 15 to 19 years | 0 |
| 20 to 24 years | 0 |
| 25 to 34 years | 20 |
| 35 to 44 years | 31 |
| 45 to 54 years | 22 |
| 55 to 59 years | 0 |
| 60 to 64 years | 11 |
| 65 to 74 years | 7 |
| 75 to 84 years | 0 |
| 85 years and over | 0 |
| Median age (years) | 41.9 |
| Under 18 years | 12 |
| 16 years and over | 91 |
| 18 years and over | 91 |
| 21 years and over | 91 |
| 62 years and over | 18 |
| 65 years and over | 7 |
| Total population | 103 |
| One race | 92 |
| White | 81 |
| Black or African American | 11 |
| American Indian and Alaska Native | 0 |
| Asian | 0 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 0 |
| Two or more races | 11 |
| Citizen, VOTING AGE 18 and over population | 80 |
| Male Citizen, VOTING AGE 18 and over population | 51 |
| Female Citizen, VOTING AGE 18 and over population | 29 |
Social characteristics in DUNCAN, IA
| Total households | 30 |
| Family households (families) | 12 |
| Married-couple family | 12 |
| Male householder, no wife present, family | 0 |
| Female householder, no husband present, family | 0 |
| Nonfamily households | 18 |
| Average household size | 1.67 |
| Average family size | 2.67 |
Economic characteristics in DUNCAN, IA
| Total households | 30 |
| Less than $10,000 | 0 |
| $10,000 to $14,999 | 7 |
| $15,000 to $24,999 | 0 |
| $25,000 to $34,999 | 0 |
| $35,000 to $49,999 | 0 |
| $50,000 to $74,999 | 11 |
| $75,000 to $99,999 | 0 |
| $100,000 to $149,999 | 12 |
| $150,000 to $199,999 | 0 |
| $200,000 or more | 0 |
| Median household income (dollars) | -666,666,666 |
Housing characteristics in DUNCAN, IA
| Total housing units | 30 |
| Occupied housing units | 30 |
| Vacant housing units | 0 |
| Total housing units | 30 |
| 1-unit, detached | 30 |
| 1-unit, attached | 0 |
| 2 units | 0 |
| 3 or 4 units | 0 |
| 5 to 9 units | 0 |
| 10 to 19 units | 0 |
| 20 or more units | 0 |
| Mobile home | 0 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 30 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 0 |
| Built 2000 to 2009 | 0 |
| Built 1990 to 1999 | 0 |
| Built 1980 to 1989 | 0 |
| Built 1970 to 1979 | 0 |
| Built 1960 to 1969 | 0 |
| Built 1950 to 1959 | 7 |
| Built 1940 to 1949 | 0 |
| Built 1939 or earlier | 23 |
| Total housing units | 30 |
| 1 room | 0 |
| 2 rooms | 0 |
| 3 rooms | 0 |
| 4 rooms | 0 |
| 5 rooms | 7 |
| 6 rooms | 12 |
| 7 rooms | 0 |
| 8 rooms | 0 |
| 9 rooms or more | 11 |
| Median rooms | 6.2 |
| Total housing units | 30 |
| No bedroom | 0 |
| 1 bedroom | 0 |
| 2 bedrooms | 19 |
| 3 bedrooms | 11 |
| 4 bedrooms | 0 |
| 5 or more bedrooms | 0 |
| Occupied housing units | 30 |
| Owner-occupied | 30 |
| Renter-occupied | 0 |
| Average household size of owner-occupied unit | 1.67 |
| Average household size of renter-occupied unit | -666666666.00 |
| Occupied housing units | 30 |
| Moved in 2017 or later | 0 |
| Moved in 2015 to 2016 | 0 |
| Moved in 2010 to 2014 | 30 |
| Moved in 2000 to 2009 | 0 |
| Moved in 1990 to 1999 | 0 |
| Moved in 1989 and earlier | 0 |
| Owner-occupied units | 30 |
| Less than $50,000 | 7 |
| $50,000 to $99,999 | 23 |
| $100,000 to $149,999 | 0 |
| $150,000 to $199,999 | 0 |
| $200,000 to $299,999 | 0 |
| $300,000 to $499,999 | 0 |
| $500,000 to $999,999 | 0 |
| $1,000,000 or more | 0 |
| Median (dollars) | 56,700 |
| Owner-occupied units | 30 |
| Housing units with a mortgage | 23 |
| Housing units without a mortgage | 7 |
| Occupied units paying rent | 0 |
| Less than $500 | 0 |
| $500 to $999 | 0 |
| $1,000 to $1,499 | 0 |
| $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) | -666,666,666 |
| No rent paid | 0 |
Data is based on 2018 Census
ZIP Codes for other locations
State for DUNCAN
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