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ZipNumbers

Fremont County · Colorado

ZIP code 81240

Population, income, housing costs and the sales tax rate charged on purchases inside ZIP 81240 — Census 2019-2023 ACS 5-year, no modelled estimates.
Population
4,533

ZCTA residents

Median income
$79,514

Household, past 12 months

Median home
$282,300

Owner-occupied value

Sales tax
2.9%

Colorado state rate

Quick answer

ZIP 81240 sits in Fremont County, Colorado and is home to 4,533 people. Median household income is $79,514, the median home is worth $282,300 and median gross rent is $1,364. 82.3% of households own their home, and purchases are taxed at 2.9% (Colorado state rate).

County
Fremont County

FIPS 08043

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 81240

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

Population
4,533ZIP 81240 residents
Median household income
$79,514Past 12 months, inflation adjusted
Median home value
$282,300Owner-occupied units
Median gross rent
$1,364Rent plus utilities, monthly
Median age
43.5 yrsAll residents
Homeownership rate
82.3%Owner-occupied households

Sales tax in 81240

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
21%Median rent ÷ median income
Price-to-income
3.6×Home value ÷ household income
Est. mortgage
$1,465/mo20% down, 30-yr at 6.75%
Poverty rate
10.7%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 81240 compares

ZIP 81240 against the median ZIP in Fremont County and across Colorado.

MeasureZIP 81240County medianState medianvs state
Median household income$79,514$57,664$80,917-2%
Median home value$282,300$284,300$428,850-34%
Median gross rent$1,364$930$1,455-6%
Population4,5331,1592,604+74%

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

Statewide rank

Where this ZIP places among all 528 Colorado ZIP areas.

Income

richer than 48% of 468 state ZIPs

#243
Home value

above 27% of 472 state ZIPs

#346
Population

larger than 56% of 528 state ZIPs

#231

Comparable ZIP codes

Colorado ZIP areas with almost the same household income.

ZIPCountyIncomeHome valueRent
80644Weld County$79,500$387,400$717
80204Denver County$79,265$579,900$1,724
80515Larimer County$79,896$539,800
81147Archuleta County$78,949$458,100$1,428
80425Jefferson County$80,125$509,200
80741Logan County$80,139$304,900$1,208

Nearby ZIP codes

Other ZIP codes filed under Fremont County.

ZIP 81240 questions

Common questions about this ZIP code.

Where is ZIP code 81240?
ZIP 81240 lies mostly in Fremont 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 81240?
Colorado charges 2.9% statewide, plus any county, city or district rate that applies locally.
Is 81240 expensive to live in?
Median rent runs $1,364 a month, about 21% of median household income, and the median home is worth $282,300-34% 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 81240, 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.