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ZipNumbers

Karnes County · Texas

ZIP code 78151

Population, income, housing costs and the sales tax rate charged on purchases inside ZIP 78151 — Census 2019-2023 ACS 5-year, no modelled estimates.
Population
1,513

ZCTA residents

Median income
$38,904

Household, past 12 months

Median home
$103,400

Owner-occupied value

Sales tax
6.25%

Texas state rate

Quick answer

ZIP 78151 sits in Karnes County, Texas and is home to 1,513 people. Median household income is $38,904, the median home is worth $103,400 and median gross rent is $322. 57% of households own their home, and purchases are taxed at 6.25% (Texas state rate).

County
Karnes County

FIPS 48255

State
Texas (TX)

1,989 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 78151

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

Population
1,513ZIP 78151 residents
Median household income
$38,904Past 12 months, inflation adjusted
Median home value
$103,400Owner-occupied units
Median gross rent
$322Rent plus utilities, monthly
Median age
31 yrsAll residents
Homeownership rate
57%Owner-occupied households

Sales tax in 78151

What a purchase inside this ZIP costs at checkout.

Rate applied
6.25%State base rate only
Tax on $100
$6Rounded to the dollar
Tax on $1,000
$63Before any exemptions

Texas levies 6.25% 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
10%Median rent ÷ median income
Price-to-income
2.7×Home value ÷ household income
Est. mortgage
$537/mo20% down, 30-yr at 6.75%
Poverty rate
34.6%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 78151 compares

ZIP 78151 against the median ZIP in Karnes County and across Texas.

MeasureZIP 78151County medianState medianvs state
Median household income$38,904$63,041$68,103-43%
Median home value$103,400$128,500$194,900-47%
Median gross rent$322$668$1,105-71%
Population1,5137565,317-72%

Medians are computed across the 7 ZIP areas in Karnes County and the 1989 ZIP areas in Texas.

Statewide rank

Where this ZIP places among all 1989 Texas ZIP areas.

Income

richer than 5% of 1,756 state ZIPs

#1,660
Home value

above 14% of 1,705 state ZIPs

#1,460
Population

larger than 32% of 1,989 state ZIPs

#1,345

Comparable ZIP codes

Texas ZIP areas with almost the same household income.

ZIPCountyIncomeHome valueRent
78538Hidalgo County$38,904$87,300$586
77078Harris County$38,838$151,500$1,336
77470Colorado County$38,977
75569Bowie County$38,750$148,400$926
77950Aransas County$39,125$96,100
79098Deaf Smith County$38,580$140,900$1,092

Nearby ZIP codes

Other ZIP codes filed under Karnes County.

ZIP 78151 questions

Common questions about this ZIP code.

Where is ZIP code 78151?
ZIP 78151 lies mostly in Karnes County, Texas. 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 78151?
Texas charges 6.25% statewide, plus any county, city or district rate that applies locally.
Is 78151 expensive to live in?
Median rent runs $322 a month, about 10% of median household income, and the median home is worth $103,400-47% against the typical Texas 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 78151, 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.