ZIP Code 21918
| ZIP Code | 21918 |
| City | CONOWINGO |
| State | MD |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 4,428 (see all) |
Cities in ZIP Code 21918
Primary city: CONOWINGO, MDPost offices
CONOWINGO — Post Office™ 305 CONOWINGO RD CONOWINGO, MD 21918-9998 MoreCONOWINGO — Post Office™305 CONOWINGO RD 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 21918
Demographic and housing estimates in ZIP Code 21918
| Total population | 4,428 |
| Male | 2,268 |
| Female | 2,160 |
| Total population | 4,428 |
| Under 5 years | 151 |
| 5 to 9 years | 322 |
| 10 to 14 years | 354 |
| 15 to 19 years | 293 |
| 20 to 24 years | 173 |
| 25 to 34 years | 320 |
| 35 to 44 years | 649 |
| 45 to 54 years | 700 |
| 55 to 59 years | 339 |
| 60 to 64 years | 403 |
| 65 to 74 years | 447 |
| 75 to 84 years | 203 |
| 85 years and over | 74 |
| Median age (years) | 44.5 |
| Under 18 years | 991 |
| 16 years and over | 3,485 |
| 18 years and over | 3,437 |
| 21 years and over | 3,308 |
| 62 years and over | 943 |
| 65 years and over | 724 |
| Total population | 4,428 |
| One race | 4,179 |
| White | 4,096 |
| Black or African American | 48 |
| American Indian and Alaska Native | 35 |
| Asian | 0 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 0 |
| Two or more races | 249 |
| Citizen, VOTING AGE 18 and over population | 3,429 |
| Male Citizen, VOTING AGE 18 and over population | 1,660 |
| Female Citizen, VOTING AGE 18 and over population | 1,769 |
Social characteristics in ZIP Code 21918
| Total households | 1,611 |
| Family households (families) | 1,117 |
| Married-couple family | 42 |
| Male householder, no wife present, family | 189 |
| Female householder, no husband present, family | 120 |
| Nonfamily households | 263 |
| Average household size | 492 |
| Average family size | 2.74 |
Economic characteristics in ZIP Code 21918
| Total households | 1,611 |
| Less than $10,000 | 26 |
| $10,000 to $14,999 | 62 |
| $15,000 to $24,999 | 61 |
| $25,000 to $34,999 | 41 |
| $35,000 to $49,999 | 197 |
| $50,000 to $74,999 | 404 |
| $75,000 to $99,999 | 205 |
| $100,000 to $149,999 | 321 |
| $150,000 to $199,999 | 184 |
| $200,000 or more | 110 |
| Median household income (dollars) | 76,394 |
Housing characteristics in ZIP Code 21918
| Total housing units | 1,734 |
| Occupied housing units | 1,611 |
| Vacant housing units | 123 |
| Total housing units | 1,734 |
| 1-unit, detached | 1,463 |
| 1-unit, attached | 0 |
| 2 units | 44 |
| 3 or 4 units | 0 |
| 5 to 9 units | 0 |
| 10 to 19 units | 0 |
| 20 or more units | 0 |
| Mobile home | 227 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 1,734 |
| Built 2014 or later | 13 |
| Built 2010 to 2013 | 78 |
| Built 2000 to 2009 | 313 |
| Built 1990 to 1999 | 355 |
| Built 1980 to 1989 | 377 |
| Built 1970 to 1979 | 101 |
| Built 1960 to 1969 | 137 |
| Built 1950 to 1959 | 46 |
| Built 1940 to 1949 | 47 |
| Built 1939 or earlier | 267 |
| Total housing units | 1,734 |
| 1 room | 22 |
| 2 rooms | 16 |
| 3 rooms | 32 |
| 4 rooms | 158 |
| 5 rooms | 215 |
| 6 rooms | 313 |
| 7 rooms | 214 |
| 8 rooms | 348 |
| 9 rooms or more | 416 |
| Median rooms | 7.0 |
| Total housing units | 1,734 |
| No bedroom | 30 |
| 1 bedroom | 41 |
| 2 bedrooms | 334 |
| 3 bedrooms | 762 |
| 4 bedrooms | 503 |
| 5 or more bedrooms | 64 |
| Occupied housing units | 1,611 |
| Owner-occupied | 1,469 |
| Renter-occupied | 142 |
| Average household size of owner-occupied unit | 2.76 |
| Average household size of renter-occupied unit | 2.46 |
| Occupied housing units | 1,611 |
| Moved in 2017 or later | 48 |
| Moved in 2015 to 2016 | 266 |
| Moved in 2010 to 2014 | 209 |
| Moved in 2000 to 2009 | 447 |
| Moved in 1990 to 1999 | 260 |
| Moved in 1989 and earlier | 381 |
| Owner-occupied units | 1,469 |
| Less than $50,000 | 54 |
| $50,000 to $99,999 | 79 |
| $100,000 to $149,999 | 36 |
| $150,000 to $199,999 | 152 |
| $200,000 to $299,999 | 504 |
| $300,000 to $499,999 | 597 |
| $500,000 to $999,999 | 41 |
| $1,000,000 or more | 6 |
| Median (dollars) | 283,300 |
| Owner-occupied units | 1,469 |
| Housing units with a mortgage | 1,089 |
| Housing units without a mortgage | 380 |
| Occupied units paying rent | 137 |
| Less than $500 | 72 |
| $500 to $999 | 34 |
| $1,000 to $1,499 | 20 |
| $1,500 to $1,999 | 11 |
| $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 | 5 |
Data is based on 2021 Census