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ZipNumbers

Grainger County · Tennessee

ZIP code 37888

Population, income, housing costs and the sales tax rate charged on purchases inside ZIP 37888 — Census 2019-2023 ACS 5-year, no modelled estimates.
Population
3,385

ZCTA residents

Median income
$50,443

Household, past 12 months

Median home
$130,100

Owner-occupied value

Sales tax
7%

Tennessee state rate

Quick answer

ZIP 37888 sits in Grainger County, Tennessee and is home to 3,385 people. Median household income is $50,443, the median home is worth $130,100 and median gross rent is $820. 82.8% of households own their home, and purchases are taxed at 7% (Tennessee state rate).

County
Grainger County

FIPS 47057

State
Tennessee (TN)

638 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 37888

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

Population
3,385ZIP 37888 residents
Median household income
$50,443Past 12 months, inflation adjusted
Median home value
$130,100Owner-occupied units
Median gross rent
$820Rent plus utilities, monthly
Median age
48.7 yrsAll residents
Homeownership rate
82.8%Owner-occupied households

Sales tax in 37888

What a purchase inside this ZIP costs at checkout.

Rate applied
7%State base rate only
Tax on $100
$7Rounded to the dollar
Tax on $1,000
$70Before any exemptions

Tennessee levies 7% 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
20%Median rent ÷ median income
Price-to-income
2.6×Home value ÷ household income
Est. mortgage
$675/mo20% down, 30-yr at 6.75%
Poverty rate
19.3%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 37888 compares

ZIP 37888 against the median ZIP in Grainger County and across Tennessee.

MeasureZIP 37888County medianState medianvs state
Median household income$50,443$52,120$59,143-15%
Median home value$130,100$161,800$195,100-33%
Median gross rent$820$805$885-7%
Population3,3853,6674,324-22%

Medians are computed across the 6 ZIP areas in Grainger County and the 638 ZIP areas in Tennessee.

Statewide rank

Where this ZIP places among all 638 Tennessee ZIP areas.

Income

richer than 28% of 596 state ZIPs

#432
Home value

above 19% of 589 state ZIPs

#476
Population

larger than 42% of 638 state ZIPs

#368

Comparable ZIP codes

Tennessee ZIP areas with almost the same household income.

ZIPCountyIncomeHome valueRent
37643Carter County$50,455$156,200$733
37692Unicoi County$50,469$199,500$698
37095DeKalb County$50,278$196,500$941
38256Henry County$50,625$151,100
38549Pickett County$50,202$166,700$760
38369Gibson County$50,690$104,400$718

Nearby ZIP codes

Other ZIP codes filed under Grainger County.

ZIP 37888 questions

Common questions about this ZIP code.

Where is ZIP code 37888?
ZIP 37888 lies mostly in Grainger County, Tennessee. 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 37888?
Tennessee charges 7% statewide, plus any county, city or district rate that applies locally.
Is 37888 expensive to live in?
Median rent runs $820 a month, about 20% of median household income, and the median home is worth $130,100-33% against the typical Tennessee 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 37888, 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.