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ZIP Code81021

Arlington, CO

Kiowa County · Colorado · United States
Home to 17 people across 292.781 square miles.

Mountain4 ZIPs in county

At a glance

81021 by the numbers

Every figure below comes from the 2019–2023 American Community Survey 5-Year Estimates, the Census Gazetteer, or is computed from those. Margins of error are shown where they matter.

Population
17
±13 · bottom 10% nationally
Median household income
US median $70,109 ·
Median home value
US median $207,500 ·
Median age
77.3
US median 42 years
Population density
0/mi²
bottom 10% most dense
Land area
292.781 mi²
plus 3.94 mi² water

Location

Where 81021 is

38.419198, -103.376492 · Census ZCTA internal pointOpen larger map →
Coordinates38.419198, -103.376492
Time zoneAmerica/Denver
CountyKiowa County
StateColorado (CO)
Land area292.781 mi²
Coordinate sourceCensus ZCTA internal point

Local time

America/Denver

—:—:—

Current weather

Live from the National Weather Service

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Distance to major cities

Straight-line, computed from coordinates

Denver, CO125.7 mi
Dallas, TX536.9 mi
Phoenix, AZ595.1 mi
San Antonio, TX681.4 mi

People

Who lives in 81021

17 residents in 11 households, averaging 1.55 people per household. The largest age group is 65+ at 94.1% of residents.

Age distribution

Share of residents by age band

Under 180.0%
18-240.0%
25-340.0%
35-445.9%
45-540.0%
55-640.0%
65+94.1%

Households

Composition and size

Total households11
Average household size1.55
Family households63.6%
Living alone36.4%
Median age77.3 years
Households with internet63.6%

Race & ethnicity

Census race categories. Hispanic or Latino origin is asked separately and overlaps these groups.

White100.0%

Income & work

What people earn in 81021

Income data is suppressed for this ZIP code.

Compared to the US

This ZIP against the national median

Median household income
Median household income±—
Per capita income$20,853
Poverty rate47.1%
Unemployment rate0.0%
Labor force participation23.5%

Household income distribution

Share of households in each bracket

<$25k45.5%
$25-50k36.4%
$50-75k0.0%
$75-100k18.2%
$100-150k0.0%
$150-200k0.0%
$200k+0.0%

Educational attainment among residents 25 and older: 0.0% hold a bachelor's degree or higher, 100.0% finished high school.

Housing

Homes and rent in 81021

Housing cost data is suppressed for this ZIP code.

Costs

Typical values

Median home value
Median gross rent—/mo
Median year built1938
Housing units16
Vacancy rate31.2%

Own vs. rent

Of 11 occupied units

Owner-occupied63.6%
Renter-occupied36.4%
Owner households7
Renter households4

Building types

Units by structure size

Single family87.5%
20+ units12.5%

Getting to work

How 81021 commutes

100.0% of workers worked from home. 100.0% work from home.

Mode of transport

Workers 16 and older

Worked from home100.0%

Travel time

Mean commute — minutes

Overview

Understanding ZIP code 81021

ZIP code 81021 is assigned to Arlington, CO, and falls within Kiowa County. Like every US postal code, it began as a mail-routing device rather than a geographic boundary — the US Postal Service groups delivery routes under a single code so carriers and sorting equipment can process mail efficiently. Today it also serves as a practical shorthand for the area itself: roughly 17 people live inside it.

Living here

What life in Arlington looks like

The building stock is dominated by detached single-family houses, which account for 87.5% of housing units here. The median construction year is 1938, making the housing here largely pre-war. The vacancy rate of 31.2% is high, which in many places reflects seasonal or second-home use rather than abandonment.

The population skews considerably older than the national median, with a median age of 77.3 against 42 nationally. Households average just 1.55 people, and 36.4% consist of one person living alone — a signature of areas with a lot of studio and one-bedroom stock.

Where to stay

Where to stay in Arlington, CO

81021 covers a rural area, and accommodation within the postal code itself is likely to be sparse — perhaps a country inn, a lodge or a vacation rental rather than a conventional hotel. Widening the search radius is usually the practical approach, and it also opens up more availability at short notice.

For reference, Denver, CO is about 125.7 miles away in a straight line, which is worth factoring in if you are comparing a stay here against one closer to the city centre.

Availability and pricing change constantly, so the live search below will give you a more accurate picture than any figure we could publish here. It opens results for this area on Booking.com.

Book a Hotel →

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Practical uses

What ZIP code 81021 is used for

Beyond addressing mail, 81021 does a lot of quiet administrative work. Retailers use it to calculate shipping and sales tax at checkout. Insurers use it to set premiums, since risk profiles vary geographically. Employers and marketers use it to define service areas. Government agencies use it to route benefits and organise reporting. If you have ever been asked for a postal code by a form that clearly does not intend to send you anything, this is why.

For anyone weighing a move, 81021 offers a compact profile of Arlington: 17 residents, 0.0% of adults holding a bachelor's degree or higher, and an unemployment rate of 0.0%. A handful of figures like these answer more relocation questions than most neighbourhood guides do.

One caution worth repeating: a postal code is not a neighbourhood. 81021 may cover parts of several distinct areas, and a single neighbourhood in Arlington may be split across more than one code. Boundaries also shift as USPS adjusts delivery routes. Treat the figures here as describing a delivery area, which is what they actually measure.

Nearby

ZIP codes near 81021

The eight closest postal codes by centroid distance, each with its own full profile. You can also browse every Colorado ZIP code or use the ZIP Express Lookup to search by city, county or time zone.

More in Kiowa County

Look up another

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Questions

Common questions about 81021

What city is ZIP code 81021 in?
81021 serves Arlington, Colorado, in Kiowa County, United States.
What is the population of 81021?
About 17 people live in ZIP code 81021, according to the US Census Bureau's 2019–2023 American Community Survey 5-Year Estimates. The margin of error on that figure is ±13.
Is 81021 a good place to live?
That depends on what you're looking for, but here are the facts: 0.0% of adults hold a bachelor's degree or higher, the unemployment rate is 0.0%, and the median age is 77.3. We publish the numbers and let you weigh them.
What time zone is 81021 in?
81021 observes Mountain Time (America/Denver). This zone observes daylight saving time.
How big is ZIP code 81021?
ZIP code 81021 covers 292.781 square miles of land plus 3.94 square miles of water, per the US Census Bureau's 2023 Gazetteer files.
How many people work in 81021?
About 4 residents of 81021 are employed. Labor force participation stands at 23.5% and the unemployment rate is 0.0%. Note this counts residents by where they live, not by where they work — a ZIP with many offices can have far more jobs than employed residents.
Where should I stay when visiting 81021?
Accommodation in and around Arlington, CO ranges with the character of the area. See the 'Where to stay' section on this page for local context, and use the live search there for current availability and pricing.
Does 81021 cover more than one city or county?
This page lists Arlington as the primary place and Kiowa County as the county. ZIP codes follow mail delivery routes rather than municipal or county lines, so a single code can straddle boundaries, and USPS also recognises alternate acceptable city names for many codes. If you need the definitive answer for a specific street address, the USPS ZIP Code Lookup is the authority.
Can ZIP code 81021 change?
Yes. USPS adjusts ZIP codes as delivery volumes shift — codes are occasionally split, merged, retired or newly created, and boundaries move more often than most people assume. The Census Bureau's ZCTA definitions, which underpin the demographic figures on this page, are redrawn only once a decade, so the two can drift apart between censuses.

Methodology

Where this data comes from

  • Postal geography — GeoNames open postal code database (CC BY 4.0), cross-checked against the US Census Gazetteer.
  • Demographics, income, housing, commute — US Census Bureau, American Community Survey 2019–2023 5-Year Estimates, ZIP Code Tabulation Area 81021. Tables B01001, B01002, B01003, B02001, B03003, B08301, B08303, B11001, B15003, B17001, B19001, B19013, B19301, B23025, B25002, B25003, B25024, B25035, B25064, B25077, B28002.
  • Land and water area — US Census Bureau 2023 Gazetteer Files.
  • Weather — NOAA National Weather Service, fetched live in your browser.
  • Map — OpenStreetMap contributors (ODbL).
On accuracy. ACS figures are survey estimates, not counts. The margin of error shown alongside the population figure means the true value has a 90% chance of falling in that range. For small ZIP codes the error can be large relative to the estimate — treat the direction as more reliable than the exact number. This page reports data for ZCTA 81021, the Census approximation of the USPS delivery area.