81004, CO Demographics

Population 26,158 · Census ACS 2020–24

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81004, CO map of median age by neighborhood
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Population and households in ZIP 81004

Household size in ZIP 81004

Household size, people per household
PeriodZIP 81004ColoradoU.S.
2006–102.322.572.68
2010–142.362.632.73
2015–192.392.642.71
2020–242.312.542.65
Change−0.01−0.04−0.03
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ZIP 81004 is a place of small households, averaging 2.31 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Households are largest in the southeast and smallest in the north.

Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).

Median age in ZIP 81004

Median age, years
PeriodZIP 81004ColoradoU.S.
2006–1037.536.937.7
2010–1437.237.738.6
2015–1937.538.539.6
2020–2439.939.140.1
Change+2.3+2.1+2.3
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Half of the people in ZIP 81004 are younger than 39.9 and half are older, close to the national median of 40.1. The median age has climbed from 37.5 in 2006–10, as it has nationally. The youngest areas are in the southwest, the oldest in the north.

Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).

Single-parent households in ZIP 81004

Single-parent households, % of households
PeriodZIP 81004ColoradoU.S.
2006–1019.6%10.5%12.3%
2010–1417.8%10.8%12.3%
2015–1918.1%9.5%11.6%
2020–2413.0%9.3%11.6%
Change−6.6 pts−1.1 pts−0.6 pts
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Single parents head about one in eight households in ZIP 81004 (13.0%), a bit above the national share of 11.6%. The single-parent share has fallen 6.6 points since 2006–10, a much bigger shift than nationally. ZIP 81004 has a higher share of single-parent households than the great majority of Colorado ZIP codes.

Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).

Housing in ZIP 81004

Renters in ZIP 81004

Renters, % of occupied homes
PeriodZIP 81004ColoradoU.S.
2006–1042.6%32.4%33.3%
2010–1448.4%35.2%35.6%
2015–1949.2%34.8%36.0%
2020–2442.2%33.8%34.8%
Change−0.3 pts+1.4 pts+1.5 pts
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Renting is more common in ZIP 81004 than nationally: 42.2% of households rent their homes, against 34.8% for the U.S. Among homeowners, 36.8% have no mortgage at all, below the national share of 39.8%. Rentals cluster in the west; owners are most common in the southeast.

Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).

Vacant homes in ZIP 81004

Vacant homes, % of all homes
PeriodZIP 81004ColoradoU.S.
2006–1014.2%10.3%11.4%
2010–1412.9%8.7%11.4%
2015–1912.7%8.0%11.1%
2020–248.5%7.3%9.6%
Change−5.7 pts−3.0 pts−1.8 pts
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Vacancy in ZIP 81004 is close to the national rate: 8.5% of homes are empty, against 9.6%. Since 2006–10, vacancy has fallen 5.7 points, a much bigger shift than nationally.

Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).

Age of homes in ZIP 81004

Age of homes, median year built
PeriodZIP 81004ColoradoU.S.
2006–10195019811974
2010–14195119821975
2015–19195119831977
2020–24195419881980
Change+4+7+6
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ZIP 81004 is a place of older homes: half were built before 1954, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. Newer construction is concentrated in the southwest, while the northeast has the oldest housing. ZIP 81004 has the oldest homes of any Colorado ZIP code with 5,000+ people.

Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).

Rent in ZIP 81004

Rent, per month
PeriodZIP 81004ColoradoU.S.
2006–10$669$1,051$965
2010–14$707$1,165$1,040
2015–19$835$1,450$1,213
2020–24$1,088$1,963$1,571
Change+$419+$912+$606
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The median renter in ZIP 81004 pays $1,088 a month for rent and utilities, well below the national median of $1,571. Rents are up $419 a month from 2006–10, a 63% jump, roughly in step with the nation. The typical renter here spends 31.3% of household income on rent, just over the 30% mark often used to define affordable rent. The priciest rents are in the northwest; the most affordable are in the northeast.

Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).

Education in ZIP 81004

Bachelor's degrees in ZIP 81004

Bachelor's degrees, % of adults 25+
PeriodZIP 81004ColoradoU.S.
2006–1015.4%36.4%28.4%
2010–1416.1%37.8%29.6%
2015–1916.5%40.9%32.1%
2020–2419.9%45.9%35.6%
Change+4.5 pts+9.4 pts+7.2 pts
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Fewer adults in ZIP 81004 have a four-year degree than in the country as a whole: 19.9%, against 35.6% nationally. The share with a degree has risen 4.5 points since 2006–10, mirroring the country. Only 15 of the 220 Colorado ZIP codes with 5,000+ people have a lower share of college graduates.

Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

High school graduates in ZIP 81004

High school graduates, % of adults 25+
PeriodZIP 81004ColoradoU.S.
2006–1081.7%89.5%84.9%
2010–1484.8%90.5%86.1%
2015–1986.9%91.8%87.7%
2020–2490.0%92.8%89.3%
Change+8.3 pts+3.3 pts+4.3 pts
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High school completion in ZIP 81004 is close to the national rate: 90.0% of adults have a diploma or equivalent, against 89.3%. The rate is lower than in Colorado as a whole (92.8%). The share with a diploma has risen 8.3 points since 2006–10, as it has nationally.

High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

Jobs in ZIP 81004

Unemployment, % of the labor force
PeriodZIP 81004ColoradoU.S.
2006–1012.6%6.8%8.1%
2010–1413.4%7.9%9.4%
2015–198.4%4.4%5.6%
2020–245.5%4.6%5.4%
Change−7.2 pts−2.3 pts−2.7 pts
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Unemployment in ZIP 81004 is close to the national rate: 5.5% of the labor force, against 5.4%. The rate is higher than in Colorado overall (4.6%). Unemployment is down 7.2 points from 2006–10, mirroring the country.

Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).

ZIP 81004 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 810042.3139.913.0%42.2%8.5%1954$1,08819.9%90.0%5.5%
ZIP 810052.5444.814.5%21.1%5.4%1976$1,19825.7%92.6%2.5%
ZIP 810032.1537.313.0%52.9%9.4%1955$96919.0%80.9%7.5%
ZIP 810012.4437.819.5%44.2%10.2%1965$1,09024.2%88.7%5.4%
ZIP 810062.5543.711.0%24.7%9.2%1968$94923.3%93.4%2.8%
ZIP 810082.2337.611.4%34.5%6.2%1993$1,42028.4%94.6%6.4%
ZIP 810072.8041.39.2%12.7%3.5%2000$1,31632.9%93.8%4.7%
ZIP 810222.3854.42.0%19.3%13.9%1973$99421.0%88.2%5.0%
ZIP 810251.9656.11.6%16.1%19.7%1968$1,06218.0%88.5%1.3%
ZIP 812532.0156.75.9%18.7%39.3%1983$1,26943.9%98.1%5.8%
ZIP 812262.4441.96.4%24.8%7.5%1975$82614.7%88.7%3.1%

All figures 2020–24.

Zip codes with similar populations: 23703, VA · 27539, NC · 80302, CO · 48085, MI · 01803, MA · 52405, IA · 53403, WI · 54449, WI · 56308, MN · 63109, MO

About these numbers

Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up ZIP 81004. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.

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