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ZipNumbers

Routt County · Colorado

ZIP code 81639

Population, income, housing costs and the sales tax rate charged on purchases inside ZIP 81639 — Census 2019-2023 ACS 5-year, no modelled estimates.
Population
2,617

ZCTA residents

Median income
$106,429

Household, past 12 months

Median home
$415,500

Owner-occupied value

Sales tax
2.9%

Colorado state rate

Quick answer

ZIP 81639 sits in Routt County, Colorado and is home to 2,617 people. Median household income is $106,429, the median home is worth $415,500 and median gross rent is $1,680. 80.5% of households own their home, and purchases are taxed at 2.9% (Colorado state rate).

County
Routt County

FIPS 08107

State
Colorado (CO)

528 ZIPs covered

Area codes
Not published

No NANPA match for this ZIP

Metro area
Outside covered metros

Rate jurisdiction used for tax

The numbers for 81639

American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.

Population
2,617ZIP 81639 residents
Median household income
$106,429Past 12 months, inflation adjusted
Median home value
$415,500Owner-occupied units
Median gross rent
$1,680Rent plus utilities, monthly
Median age
40.5 yrsAll residents
Homeownership rate
80.5%Owner-occupied households

Sales tax in 81639

What a purchase inside this ZIP costs at checkout.

Rate applied
2.9%State base rate only
Tax on $100
$3Rounded to the dollar
Tax on $1,000
$29Before any exemptions

Colorado levies 2.9% statewide, and counties, cities and special districts inside this ZIP can add their own local rate on top. Check the county page for the local component before you quote a price.

Affordability in this ZIP

Derived from the Census medians above — indicative, not an offer.

Rent burden
19%Median rent ÷ median income
Price-to-income
3.9×Home value ÷ household income
Est. mortgage
$2,156/mo20% down, 30-yr at 6.75%
Poverty rate
6%Residents below poverty line

A rent burden above 30% is the federal threshold for cost-burdened households, and a price-to-income multiple above 4× is generally considered a stretched housing market. The mortgage figure is principal and interest only — taxes, insurance and HOA dues are extra.

How 81639 compares

ZIP 81639 against the median ZIP in Routt County and across Colorado.

MeasureZIP 81639County medianState medianvs state
Median household income$106,429$105,090$80,917+32%
Median home value$415,500$529,950$428,850-3%
Median gross rent$1,680$1,680$1,455+15%
Population2,6174072,604even

Medians are computed across the 9 ZIP areas in Routt County and the 528 ZIP areas in Colorado.

Statewide rank

Where this ZIP places among all 528 Colorado ZIP areas.

Income

richer than 78% of 468 state ZIPs

#101
Home value

above 48% of 472 state ZIPs

#245
Population

larger than 50% of 528 state ZIPs

#264

Comparable ZIP codes

Colorado ZIP areas with almost the same household income.

ZIPCountyIncomeHome valueRent
80102Adams County$106,372$491,200$1,358
80031Adams County$106,244$499,200$1,911
80123Jefferson County$106,731$581,800$1,958
81507Mesa County$106,039$491,300$1,580
80487Routt County$106,837$915,900$1,927
80615Weld County$106,948$489,400$1,661

Nearby ZIP codes

Other ZIP codes filed under Routt County.

ZIP 81639 questions

Common questions about this ZIP code.

Where is ZIP code 81639?
ZIP 81639 lies mostly in Routt County, Colorado. County assignment follows the largest share of land area, so a ZIP straddling a county line is filed under its dominant county.
What sales tax do I pay in 81639?
Colorado charges 2.9% statewide, plus any county, city or district rate that applies locally.
Is 81639 expensive to live in?
Median rent runs $1,680 a month, about 19% of median household income, and the median home is worth $415,500-3% against the typical Colorado ZIP.
Is a ZCTA the same as a postal ZIP code?
Not exactly. The Census builds ZIP Code Tabulation Areas from the ZIP codes of addresses inside each census block, so a ZCTA can differ slightly from the USPS delivery route of the same number, and PO-box-only ZIPs have no ZCTA at all.

Related pages for this area.

Sources & transparency

Every figure on this page is a published estimate for ZIP Code Tabulation Area 81639, except the affordability ratios and mortgage estimate, which we derive from those medians and label as estimates.

Last reviewed December 2024. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.