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ZIP Code80643

Keenesburg, CO

Weld County · Colorado · United States
Home to 4,257 people across 216.481 square miles.

MountainOwner-majority39 ZIPs in county

At a glance

80643 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
4,257
±699 · 58th pctile nationally
Median household income
$88,125
US median $70,109 · 74th pctile
Median home value
$455,200
US median $207,500 · top 25%
Median age
38.5
US median 42 years
Population density
20/mi²
26th pctile most dense
Land area
216.481 mi²
plus 1.313 mi² water

Location

Where 80643 is

40.112927, -104.489176 · Census ZCTA internal pointOpen larger map →
Coordinates40.112927, -104.489176
Time zoneAmerica/Denver
CountyWeld County
StateColorado (CO)
Land area216.481 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, CO37.0 mi
Phoenix, AZ622.6 mi
Dallas, TX662.5 mi
San Antonio, TX812.6 mi

People

Who lives in 80643

4,257 residents in 1,599 households, averaging 2.66 people per household. The largest age group is under 18 at 20.1% of residents, and 73.7% of households are families.

Age distribution

Share of residents by age band

Under 1820.1%
18-2411.4%
25-3413.0%
35-4413.0%
45-5414.6%
55-6416.0%
65+11.8%

Households

Composition and size

Total households1,599
Average household size2.66
Family households73.7%
Living alone18.6%
Median age38.5 years
Households with internet94.4%

Race & ethnicity

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

White83.5%
Black0.4%
Asian0.7%
Native American4.2%
Other4.3%
Two or more6.9%
Hispanic / Latino17.9%

Income & work

What people earn in 80643

The median household here earns $88,125 a year, above the US median of $70,109, which puts 80643 ahead of 74% of American ZIP codes. 9.9% of residents live below the poverty line.

Compared to the US

This ZIP against the national median

Median household income$88,125
LowestHighest
Higher than 74% of all US ZIP codes.
Median household income$88,125 ±$25,790
Per capita income$43,148
Poverty rate9.9%
Unemployment rate0.9%
Labor force participation66.4%

Household income distribution

Share of households in each bracket

<$25k15.2%
$25-50k7.3%
$50-75k22.9%
$75-100k9.7%
$100-150k17.4%
$150-200k18.8%
$200k+8.7%

Educational attainment among residents 25 and older: 16.2% hold a bachelor's degree or higher, 91.3% finished high school.

Housing

Homes and rent in 80643

A typical home is valued at $455,200, and median rent runs $1,686 a month. This is an owner-majority area — 76.6% of occupied homes are owned, and the typical building went up in 1995.

Costs

Typical values

Median home value$455,200
Median gross rent$1,686/mo
Median year built1995
Housing units1,620
Vacancy rate1.3%

Own vs. rent

Of 1,599 occupied units

Owner-occupied76.6%
Renter-occupied23.4%
Owner households1,225
Renter households374

Building types

Units by structure size

Single family94.0%
2-4 units2.2%
5-19 units0.4%
20+ units2.7%
Mobile / other0.6%

Getting to work

How 80643 commutes

67.7% of workers drove alone, and the average one-way trip takes 34.1 minutes.

Mode of transport

Workers 16 and older

Drove alone67.7%
Carpooled14.1%
Public transit0.1%
Walked6.0%
Worked from home8.0%

Travel time

Mean commute 34.1 minutes

<10 min21.9%
10-1913.7%
20-2912.1%
30-4415.7%
45-5919.0%
60+17.5%

Overview

Understanding ZIP code 80643

ZIP code 80643 is assigned to Keenesburg, CO, and falls within Weld 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 4,257 people live inside it.

At 20 residents per square mile spread over 216.481 square miles, 80643 reads as a rural area. It is a smaller postal code by population, and density shapes almost everything else on this page — how people get to work, whether they own or rent, and what housing costs.

Household earnings run above the national median. At $88,125, 80643 sits comfortably in the upper half, ahead of 74% of them. The US median for comparison is $70,109. Bear in mind that median income describes the midpoint household, not the average — it is not pulled upward by a handful of very high earners the way a mean would be.

Living here

What life in Keenesburg looks like

Housing in 80643 costs well above the national median. A typical home is valued at $455,200 against a US median of $207,500, and median gross rent runs $1,686 a month. Ownership dominates: 76.6% of occupied homes are owner-occupied, which usually signals an established residential area with relatively low turnover.

The building stock is dominated by detached single-family houses, which account for 94.0% of housing units here. The median construction year is 1995, making the housing here from the later twentieth century. At 1.3%, vacancy is low — housing here is tightly held.

The population skews broadly in line with the national age profile, with a median age of 38.5 against 42 nationally. The average household holds 2.66 people, and 73.7% are family households.

Getting to work takes 34.1 minutes on average one way. The dominant mode is drove alone at 67.7% of workers.

Where to stay

Where to stay in Keenesburg, CO

80643 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.

Median rent in 80643 is $1,686 a month, which sits in the middle of the national range; accommodation pricing locally tends to be similarly mid-market. For reference, Denver, CO is about 37.0 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 80643 is used for

Beyond addressing mail, 80643 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, 80643 offers a compact profile of Keenesburg: 4,257 residents, a median household income of $88,125, 16.2% of adults holding a bachelor's degree or higher, and an unemployment rate of 0.9%. 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. 80643 may cover parts of several distinct areas, and a single neighbourhood in Keenesburg 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.

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Questions

Common questions about 80643

What city is ZIP code 80643 in?
80643 serves Keenesburg, Colorado, in Weld County, United States.
What is the population of 80643?
About 4,257 people live in ZIP code 80643, according to the US Census Bureau's 2019–2023 American Community Survey 5-Year Estimates. The margin of error on that figure is ±699. That works out to roughly 20 people per square mile.
What is the average income in 80643?
The median household income in 80643 is $88,125 per year, compared with a US median of $70,109. Per capita income is $43,148. Median income is more representative than an average because it isn't skewed by a small number of very high earners.
How expensive is housing in 80643?
The median home value is $455,200 and median gross rent is $1,686 a month. 76.6% of occupied homes are owner-occupied.
Is 80643 a good place to live?
That depends on what you're looking for, but here are the facts: 16.2% of adults hold a bachelor's degree or higher, the unemployment rate is 0.9%, and the median age is 38.5. The average commute is 34.1 minutes. We publish the numbers and let you weigh them.
What time zone is 80643 in?
80643 observes Mountain Time (America/Denver). This zone observes daylight saving time.
How big is ZIP code 80643?
ZIP code 80643 covers 216.481 square miles of land plus 1.313 square miles of water, per the US Census Bureau's 2023 Gazetteer files.
Is 80643 urban, suburban or rural?
By population density, 80643 reads as a rural area. It holds 20 people per square mile across 216.481 square miles of land. For reference, densities above 10,000 per square mile generally indicate an urban core, 1,000–3,000 is typically suburban, and under 200 is rural. These are rules of thumb rather than official designations — the Census Bureau classifies urban and rural areas by census block, not by ZIP code.
How much is rent in 80643?
Median gross rent in 80643 is $1,686 a month, according to the American Community Survey. Gross rent includes contract rent plus the estimated cost of utilities and fuels, so it is closer to what a tenant actually pays than a headline rent figure. Of 1,599 occupied homes here, 374 are rented.
What is the commute like from 80643?
The average one-way commute from 80643 takes about 34.1 minutes. The most common way to travel is drove alone, used by 67.7% of workers aged 16 and over. Commute figures cover people who were employed and working outside the home during the survey period.
How many people work in 80643?
About 2,305 residents of 80643 are employed. Labor force participation stands at 66.4% and the unemployment rate is 0.9%. 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 80643?
Accommodation in and around Keenesburg, 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 80643 cover more than one city or county?
This page lists Keenesburg as the primary place and Weld 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 80643 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 80643. 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 80643, the Census approximation of the USPS delivery area.