Keenesburg is a town in Weld County, Colorado, home to about 2,347 people across 7.5 square miles. Its ZIP code is 80643, and parts of 80642 are in Keenesburg too.
Homes sold for a median of $232 per square foot in the three months ending August 2026, a seller’s market.
Mostly Keenesburg; also Hudson
Mostly Hudson; part is in Keenesburg
Each card is that ZIP code’s whole market, including any part outside Keenesburg. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Keenesburg’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Denver International Airport (DEN)20 miles away |
|---|---|
| Nearest city of 250,000+ | Aurora, CO30 miles away |
| Nearest city of 1 million+ | Phoenix, AZ617 miles away |
Straight-line distances from the center of Keenesburg; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Keenesburg had 1,250 residents in the 2020 census, up 46% since 2000.
It’s the 165th largest of 472 towns in Colorado by population.
Weld County grew from 16,808 residents in 1900 to 328,981 in 2020.
Weld County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 18°F. About 14.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Denver Intl Ap, CO weather station (21 miles away).
101,420 jobs at 7,454 businesses in Weld County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
5 doctors and other health care providers list an office in Keenesburg.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Nurse practitioners and physician assistants | 3 |
| Mental health providers | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Grocery stores
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Weld County School District RE-3J. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hoff Elementary SchoolKeenesburg | Pre-K–5 | 338 | Public | 2.7 mi |
| Cardinal Community Academy Charter SchoolKeenesburg | K–8 | 182 | Charter | 3.3 mi |
| Weld Central Middle SchoolKeenesburg | 6–8 | 403 | Public | 2.9 mi |
| Weld Central Senior High SchoolKeenesburg | 9–12 | 651 | Public | 3.0 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Hudson and Lochbuie.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.