80643 ZIP Code — Keenesburg, CO

Weld County, Colorado

ZIP code 80643 is located in Keenesburg, Colorado, within Weld County. It covers approximately 216.48 square miles and serves a population of 3,989 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 720/303.

About ZIP code 80643

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $435,900. Owner-occupancy sits near the national average at 72%.

Median household income is $97,308. 36% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 32 minutes is near the national average.

College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 80643 reflects a community defined by a trades-oriented workforce and a significant Social Security-dependent population.

3,989

population

216.48

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

80643 ZIP code map

Cities in ZIP code 80643

Below are the cities the US Postal Service accepts for ZIP code 80643. Using any city not on this list may result in mail delivery delays.

City	Status
Keenesburg	Preferred

Nearby ZIP codes

80642 Hudson (7.2 mi) 80652 Roggen (10.7 mi) 80645 La Salle (15.7 mi) 80645 La Salle (15.7 mi) 80621 Fort Lupton (17.4 mi) 80644 Kersey (17.8 mi) 80603 Brighton (18.1 mi) 80603 Brighton (18.1 mi)

Demographics updated 06/2026

Population
Total population	3,989
Population density	18 / sq mi
State FIPS	08
County FIPS	123

Geography
Land area	216.48 sq mi
Water area	1.31 sq mi
Latitude	40.0968
Longitude	-104.4661
Timezone	Mountain (MT)
Area code	720/303

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	31.5%	31.7%	32.5%
$50k – $100k	26.7%	32.6%	31.0%
$100k – $200k	38.1%	29.0%	26.9%
Over $200k	3.7%	6.7%	9.6%

Demographics & statistics

3,989

Population

People per sq mi

38.3

Median age

$97,308

Median household income

$40,413

Per capita income

$435,900

Median home value

$1,682

Median monthly rent

72.2%

Home ownership

11.2%

Poverty rate

2.6%

Unemployment

1,038

Housing units

19.1%

Bachelor's or higher

Age distribution

Male Female

169

Under 5

144

5–9

130

10–14

111

145

15–19

123

182

20–24

154

273

25–34

233

267

35–44

228

346

45–54

295

109

55–59

229

60–64

194

136

65–74

116

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	816	20.5%
18 and over	3,173	79.5%
65 and over	399	10.0%
Median age	38.3 years

Race & ethnicity

White 80.4%

Hispanic or Latino 8.1%

Two or more races 5.9%

Other race 3.8%

Asian 0.8%

American Indian / Alaska Native 0.8%

Group	Count	%
White	3,492	80.4%
Hispanic or Latino	353	8.1%
Two or more races	258	5.9%
Other race	167	3.8%
Asian	35	0.8%
American Indian / Alaska Native	35	0.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	31.5%	31.7%	32.5%
$50k – $100k	26.7%	32.6%	31.0%
$100k – $200k	38.1%	29.0%	26.9%
Over $200k	3.7%	6.7%	9.6%

Under $10k 6.5%

$10k–$15k 4.1%

$15k–$25k 5.5%

$25k–$35k 1.1%

$35k–$50k 6.9%

$50k–$75k 17.3%

$75k–$100k 9.5%

$100k–$150k 18.0%

$150k–$200k 20.2%

$200k+ 11.0%

Range	% of households
Under $10k	6.5%
$10k–$15k	4.1%
$15k–$25k	5.5%
$25k–$35k	1.1%
$35k–$50k	6.9%
$50k–$75k	17.3%
$75k–$100k	9.5%
$100k–$150k	18.0%
$150k–$200k	20.2%
$200k+	11.0%
Median income	$97,308

Housing

Home values

Under $50k 0.6%

$50k–$100k 1.3%

$100k–$150k 6.8%

$150k–$200k 2.0%

$200k–$300k 10.0%

$300k–$500k 44.0%

$500k–$1M 30.1%

$1M+ 5.2%

Housing overview

Metric	Value
Median home value	$435,900
Median rent / month	$1,682
Owner occupied	72.2%
Renter occupied	27.8%
Vacant	2.2%
Single-family detached	91.2%
Large apartment buildings	0.0%
Mobile homes	1.7%
Median rooms	6.3
Avg household size (owned)	2.83

Year built

Era	%
2020 or later	8.2%
2010–2019	8.4%
2000–2009	21.0%
1990–1999	19.9%
1980–1989	10.0%
1970–1979	11.6%
1960–1969	4.1%
1950–1959	1.8%
1940–1949	6.9%
1939 or earlier	8.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.3%
1 bedroom	4.1%
2 bedrooms	10.7%
3 bedrooms	53.6%
4 bedrooms	22.8%
5+ bedrooms	8.5%

Vehicles per household

Vehicles	% of households
No vehicle	3.7%
1 vehicle	11.3%
2 vehicles	36.4%
3 or more	48.7%

Heating fuel

Fuel type	%
Utility gas	43.5%
Electricity	6.0%
Propane / LP gas	44.8%
Wood	4.4%
Solar	0.4%

Households & families

Household type	Count	%
Married-couple family	905	64.9%
Cohabiting couple	64	4.6%
Male householder, no spouse	255	18.3%
Female householder, no spouse	170	12.2%
Households with children under 18	435	31.2%
Households with seniors (65+)	305	21.9%
Average household size	2.84

Marital status

Status	Male	Female
Never married	28.5%	21.9%
Married	60.4%	60.3%
Separated	0.0%	4.2%
Widowed	2.5%	5.0%
Divorced	8.6%	8.7%

Education

Less than 9th grade 3.4%

Some HS, no diploma 4.2%

HS graduate 39.7%

Some college, no degree 24.5%

Associate's degree 9.2%

Bachelor's degree 14.6%

Graduate / professional 4.4%

Metric	%
HS diploma or higher	92.4%
Bachelor's or higher	19.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	28	3.3%
Kindergarten	58	6.8%
Elementary school	319	37.4%
High school	163	19.1%
College / grad school	284	33.3%

Employment

Industry of employment

Education & healthcare 17.6%

Transportation & utilities 16.2%

Construction 13.3%

Arts, food & hospitality 8.8%

Agriculture & mining 8.5%

Retail trade 8.5%

Manufacturing 7.3%

Other services 6.7%

Professional & management 6.4%

Public administration 2.2%

Wholesale trade 1.9%

Information 1.3%

Finance & real estate 1.3%

Occupation

Category	%
Management, business & arts	34.5%
Service	12.7%
Sales & office	23.2%
Natural resources & construction	14.7%
Production & transportation	14.9%

Employment type

Type	%
Private sector	80.7%
Government	14.7%
Self-employed	4.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	70.0%
Carpool	13.8%
Public transit	0.2%
Walk	3.0%
Work from home	10.2%
Other means	2.8%
Avg commute (minutes)	31.9

Poverty

All people 11.2%

Under 18 years 9.8%

18 and over 11.6%

Married-couple families 6.7%

Female-led households 0.0%

Income support

Source	% of households
Social Security	36.0%
Retirement income	26.6%
Supplemental Security	2.2%
Cash public assistance	1.8%
Food stamps / SNAP	1.8%

Health indicators

Condition	%
Obesity	34.9%
High blood pressure	30.7%
High cholesterol	31.8%
Diabetes	9.9%
Heart disease	6.3%
Stroke	3.1%
Asthma	10.6%
Arthritis	24.4%
Kidney disease	2.9%
Pulmonary disease	7.8%
Cancer	6.4%

Behavior / access	%
Smoking	18.3%
Binge drinking	16.9%
No physical activity	22.7%
Less than 7 hrs sleep	31.4%
Depression	21.4%
Fair or poor health	14.4%
Poor mental health	15.3%
Poor physical health	11.4%
No health insurance	14.1%
Visited doctor (checkup)	66.9%
Visited dentist	57.2%
Cholesterol screening	89.4%
Teeth loss	15.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	207	6.5%

Disability	%
Any disability	12.6%
Under 18	1.7%
18–64 years	10.1%
65 and over	51.6%

Health insurance coverage

Type	%
Private insurance	77.1%
Public insurance	21.2%
No insurance	7.8%
Uninsured under 19	1.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,676	92.2%
Spanish	133	3.6%
Other Indo-European	133	3.6%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,738	93.7%
Born in same state	3,729	93.5%
Born in different state	2,544	63.8%
Foreign born	9	0.2%
Naturalized citizen	251	6.3%
Not a US citizen	192	76.5%

Ancestry

Ancestry	Count	%
French	887	22.2%
Italian	553	13.9%
Arab	429	10.8%
Polish	83	2.1%

Ancestry	Count	%
English	56	1.4%
Irish	35	0.9%
Dutch	21	0.5%

Technology access

Metric	% of households
Computer access	34.9%
Internet access	97.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 80643

What city is ZIP code 80643 in?

ZIP code 80643 is primarily assigned to Keenesburg, Colorado.

What county is ZIP code 80643 in?

ZIP code 80643 falls within Weld County, Colorado.

Does ZIP code 80643 have a large retiree population?

36% of households in ZIP code 80643 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 80643?

The median home value in ZIP code 80643 is $435,900.

What is the population of ZIP code 80643?

ZIP code 80643 has an estimated population of 3,989 residents, with a density of 18 people per square mile.

What is the median household income in ZIP code 80643?

The median household income in ZIP code 80643 is $97,308, above the national median of ~$75,000.

What timezone is ZIP code 80643 in?

ZIP code 80643 observes the MST timezone.