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ZipNumbers

St. Louis County · Missouri

ZIP code 63129

Population, income, housing costs and the sales tax rate charged on purchases inside ZIP 63129 — Census 2019-2023 ACS 5-year, no modelled estimates.
Population
51,356

ZCTA residents

Median income
$91,920

Household, past 12 months

Median home
$278,800

Owner-occupied value

Sales tax
4.225%

Missouri state rate

Quick answer

ZIP 63129 sits in St. Louis County, Missouri and is home to 51,356 people. Median household income is $91,920, the median home is worth $278,800 and median gross rent is $1,087. 78.4% of households own their home, and purchases are taxed at 4.225% (Missouri state rate).

County
St. Louis County

FIPS 29189

State
Missouri (MO)

1,035 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 63129

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

Population
51,356ZIP 63129 residents
Median household income
$91,920Past 12 months, inflation adjusted
Median home value
$278,800Owner-occupied units
Median gross rent
$1,087Rent plus utilities, monthly
Median age
45 yrsAll residents
Homeownership rate
78.4%Owner-occupied households

Sales tax in 63129

What a purchase inside this ZIP costs at checkout.

Rate applied
4.225%State base rate only
Tax on $100
$4Rounded to the dollar
Tax on $1,000
$42Before any exemptions

Missouri levies 4.225% 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
14%Median rent ÷ median income
Price-to-income
3.0×Home value ÷ household income
Est. mortgage
$1,447/mo20% down, 30-yr at 6.75%
Poverty rate
6.4%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 63129 compares

ZIP 63129 against the median ZIP in St. Louis County and across Missouri.

MeasureZIP 63129County medianState medianvs state
Median household income$91,920$86,196$60,651+52%
Median home value$278,800$278,800$162,000+72%
Median gross rent$1,087$1,195$805+35%
Population51,35619,4461,453+3434%

Medians are computed across the 43 ZIP areas in St. Louis County and the 1035 ZIP areas in Missouri.

Statewide rank

Where this ZIP places among all 1035 Missouri ZIP areas.

Income

richer than 89% of 958 state ZIPs

#107
Home value

above 90% of 933 state ZIPs

#96
Population

larger than 99% of 1,035 state ZIPs

#7

Comparable ZIP codes

Missouri ZIP areas with almost the same household income.

ZIPCountyIncomeHome valueRent
65287Moniteau County$92,150
64499Worth County$92,283$96,100
64151Platte County$91,348$292,500$1,333
64071Lafayette County$92,500$200,900$900
63144St. Louis County$91,312$278,800$1,429
65631Christian County$91,250$220,600$1,058

Nearby ZIP codes

Other ZIP codes filed under St. Louis County.

ZIP 63129 questions

Common questions about this ZIP code.

Where is ZIP code 63129?
ZIP 63129 lies mostly in St. Louis County, Missouri. 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 63129?
Missouri charges 4.225% statewide, plus any county, city or district rate that applies locally.
Is 63129 expensive to live in?
Median rent runs $1,087 a month, about 14% of median household income, and the median home is worth $278,800+72% against the typical Missouri 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 63129, 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.