ZIP 80644

80644 is one of 35 ZIP codes that lie mostly in Weld County, CO.

Shaded by typical home value, it ranks 15 of the 28 with a value.

Mapped in and around 80644: 8 places to go — 5 day trips, 3 arts & venues.

3 school locations in 80644: 1 elementary, 1 middle, 1 high.

In alphabetical order: Platte Valley Elementary School, Platte Valley High School, Platte Valley Middle School. Locations only — no ratings are shown here.

In January 2000 the typical home in 80644 was worth $106,764.

Values peaked at $523,533 in June 2022. The latest reading is −4.0% from that peak.

As of August 2026: $502,590, +0.5% over twelve months.

Start with the typical home: $502,590. Put 20% down and borrow $402,072 at 7.40%, the 30-year fixed average as of October 8, 2026.

That is $2,784 a month in principal and interest.

The median household here earns $79,500 a year, $6,625 a month. So the payment takes 42.0% of income — rated “severe” (Lotvox ZIP bands: under 28% affordable · 28–36% stretched · 36%+ severe).

The line holds today's rate fixed and moves only the price: at that rate, the same share was 8.9% in 2000.

Take the typical home's price each month, borrow 80% at that month's actual 30-year average rate: in January 2000 (8.21%) the payment was $639.

In December 2020, with rates at 2.68%, it was $1,333.

By August 2026, at 6.67%, it was $2,586 — +94% since December 2020, while the home's value moved +22%.

Reported values rose +371% since January 2000.

General prices (CPI-U) rose +97% over the same span.

Divide one by the other: in August 2026 dollars, the 2000 home was worth $210,710. So the real change is +139%, not +371%.

80644: +371% since January 2000.

Weld County: +178% since January 2000.

Colorado: +199% since January 2000 — 80644 ran ahead of it by 172 points.

Owning the typical home costs about $3,286 a month once taxes and insurance (estimated at 1.2% of price a year) are added. Renting runs about $911 a month.

Price divided by a year's rent: 46.0. Lotvox reads under 15 as favoring buying and 20 or more as favoring renting.

Homes sold: about 2 a month in August 2026 (Redfin).

The 2015–2019 level for the same month was 3 — so sales ran at 67% of it, and below it in 23 of the last 24 months.

Across Weld County, builders pulled permits for 2,993 new homes in 2025.

Of those, 67% were in 1-unit buildings (the Census Bureau's category for detached and attached single homes).

This ZIP sits in Weld County. IRS tax returns for 2022-2023: among the ten counties sending the most households, 8,838 moved in. Among the ten receiving the most, 5,777 moved out.

Net across those counties: +3,061 households. Beside it, homes for sale in this ZIP: 10 in June 2026.

Most arrivals came from Larimer, CO (2,730 households); most departures went to Larimer, CO (2,021).

County assessor records list 731 properties with a market value here. Their average assessed market value is $415,669; the typical home value is $502,590.

The assessor average sits −17.3% from the market figure — an average against a typical value, so treat it as a check, not a verdict.

Of 674 homes with a recorded purchase date, 40% have had the same owner for 20 years or more, and 9% changed hands in the last five.

71% are owned from a different mailing address, 1% from out of state.