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Gray Summit, MO

Census-designated place in Franklin County, Missouri. ZIP codes: 63039.

Population

2,991

Land area

7.7sq mi

People per sq mi

389

ZIP codes

1

Gray Summit and its ZIP codes

Full map

Gray Summit at a glance

  • Gray Summit is about 4.3 times as dense as Missouri as a whole.
  • It is the 204th most populous of 1,062 cities and towns in Missouri.
  • Households here earn a median of $65,667 a year, 7% less than the Missouri figure of $70,702.
  • A typical owner-occupied home is valued at $170,500 (26% below Missouri) and median rent is $1,043 a month.

Local data for Gray Summit, MO

Counts from official public data

Housing and community stats

Gray Summit, MO, American Community Survey 2020-2024

Full profile

Median household income

$65,667

Poverty rate

4.2%

Median home value

$170,500

Median rent

$1,043/mo

Homeownership

74.9%

Bachelor's or higher

16.8%

Median age

38.0

Average commute

29.1 min

Largest reported origins and ancestries: German Americans (766), Irish Americans (613), Italian Americans (167).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Franklin County. PPP loans are for Gray Summit.

Details

Unemployment rate

3.6%

Aug 2026, -0.3 pts in a year

Average annual pay

$53,591

39,757 jobs, 2025

Income per person

$59,071

BEA, 2024

Federal spending

$733M

FY 2026, $7,002 per person

PPP loans

$324K

12 loans, 49 jobs reported

Franklin County economyFederal spendingPPP loans

How people get to work

Gray Summit, MO, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone72.8%
  • Carpooled11.6%
  • Public transit0.0%
  • Walked1.7%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other0.0%
  • Worked from home13.8%

Average one-way commute: 29.1 minutes for people who do not work from home.

Environment and hazard risk

Gray Summit, MO, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: strong wind

Storm events since 1996

721

Countywide, mostly hail

Flood insurance policies

156

0.3% of homes, county

July high / Jan low

88° / 20°F

44.1 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Gray Summit, MO, CDC PLACES estimates

All 40 measures

Obesity

40.3%

U.S. 33.3% +7.0 pts

Diabetes

11.5%

U.S. 12.1% -0.6 pts

Smoking

17.5%

U.S. 12.8% +4.7 pts

Uninsured (18-64)

8.4%

U.S. 11.1% -2.7 pts

ZIP codes in Gray Summit

1 in or overlapping Gray Summit. Population shown

·

Cities near Gray Summit

NameDistanceLand area (sq mi)
Villa RidgeCensus-designated place3.2 mi4.9
PacificCity4.2 mi6.9
AugustaTown5.1 mi0.9
Lake TekakwithaVillage7.6 mi0.2
UnionCity9.9 mi9.1
DefianceCensus-designated place9.8 mi1
EurekaCity10 mi11.2
LaBarque CreekCensus-designated place10 mi17.6
WashingtonCity11 mi10
WildwoodCity11 mi66.7
Three CreeksVillage11 mi4.8
St. ClairCity13 mi4.8
ParkwayVillage13 mi0.5
Cedar HillCensus-designated place15 mi2.3
Lake St. ClairCensus-designated place15 mi0.7
MarthasvilleCity15 mi0.9

Frequently asked questions

What county is Gray Summit, MO in?
Gray Summit is in Franklin County, Missouri.
What ZIP codes are in Gray Summit, MO?
ZIP codes in or overlapping Gray Summit include 63039.
What is the population of Gray Summit, MO?
About 2,991 people live in Gray Summit, based on American Community Survey 5-year estimates.
What cities are near Gray Summit?
Nearby places include Villa Ridge (3.2 mi), Pacific (4.2 mi), Augusta (5.1 mi), Lake Tekakwitha (7.6 mi), Union (9.9 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023