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Old Jamestown, MO
Census-designated place in St. Louis County, Missouri. ZIP codes: 63034.
Population
20,651
Land area
14.9sq mi
People per sq mi
1,382
ZIP codes
1
Old Jamestown and its ZIP codes
Old Jamestown at a glance
- Old Jamestown is about 15 times as dense as Missouri as a whole.
- By population, it ranks 37th among 1,062 cities and towns in Missouri.
- The median household income is $99,521, 41% above the Missouri median of $70,702.
- A typical owner-occupied home is valued at $236,100 and median rent is $1,835 a month.
Local data for Old Jamestown, MO
Counts from official public data
Housing and community stats
Old Jamestown, MO, American Community Survey 2020-2024
Median household income
$99,521
Poverty rate
7.4%
Median home value
$236,100
Median rent
$1,835/mo
Homeownership
87.3%
Bachelor's or higher
39.6%
Median age
41.1
Average commute
29.1 min
Largest reported origins and ancestries: German Americans (1,492), Italian Americans (843), Irish Americans (836).
Economy and federal money
Jobs, pay, income and spending are for St. Louis County. PPP loans are for Old Jamestown.
Unemployment rate
4.2%
Aug 2026, -0.3 pts in a year
Average annual pay
$78,741
589,803 jobs, 2025
Income per person
$104,775
BEA, 2024
Federal spending
$15.55B
FY 2026, $15,488 per person
PPP loans
$17.94M
705 loans, 2,725 jobs reported
How people get to work
Old Jamestown, MO, workers 16 and older. American Community Survey 5-year estimates
- Drove alone64.5%
- Carpooled8.5%
- Public transit1.7%
- Walked0.9%
- Bicycle0.3%
- Taxi, ride-hailing, motorcycle or other0.8%
- Worked from home23.4%
Average one-way commute: 29.1 minutes for people who do not work from home.
Environment and hazard risk
Old Jamestown, MO, from FEMA, NOAA and EPA
Natural hazard risk
Relatively High
Top: heat wave
Storm events since 1996
1,321
Countywide, mostly hail
Flood insurance policies
2,070
0.6% of homes, county
July high / Jan low
87° / 22°F
41.9 inches of rain a year
Hazards, floods and storm historyCheck a flood zone1 historic places
Health statistics
Share of adults in Old Jamestown, MO, CDC PLACES estimates
Obesity
36.3%
U.S. 33.3% +3.0 pts
Diabetes
15.1%
U.S. 12.1% +3.0 pts
Smoking
13.3%
U.S. 12.8% +0.5 pts
Uninsured (18-64)
6.8%
U.S. 11.1% -4.3 pts
ZIP codes in Old Jamestown
1 in or overlapping Old Jamestown. Population shown
Cities near Old Jamestown
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Black JackCity | 2.6 mi | 2.6 |
| FlorissantCity | 3.5 mi | 12.6 |
| West AltonCity | 4.1 mi | 28.8 |
| Spanish LakeCensus-designated place | 5 mi | 7.4 |
| Calverton ParkCity | 5.4 mi | 0.4 |
| DellwoodCity | 5.7 mi | 1 |
| Castle PointCensus-designated place | 6 mi | 0.6 |
| FergusonCity | 6.5 mi | 6.2 |
| Moline AcresCity | 6.9 mi | 0.6 |
| Bellefontaine NeighborsCity | 6.9 mi | 4.4 |
| HazelwoodCity | 7 mi | 16 |
| Portage Des SiouxCity | 7 mi | 0.6 |
| BerkeleyCity | 7 mi | 5 |
| Glasgow VillageCensus-designated place | 7.1 mi | 1 |
| KinlochCity | 7.5 mi | 0.7 |
| RiverviewVillage | 7.6 mi | 0.8 |
Frequently asked questions
- What county is Old Jamestown, MO in?
- Old Jamestown is in St. Louis County, Missouri.
- What ZIP codes are in Old Jamestown, MO?
- ZIP codes in or overlapping Old Jamestown include 63034.
- What is the population of Old Jamestown, MO?
- About 20,651 people live in Old Jamestown, based on American Community Survey 5-year estimates.
- What cities are near Old Jamestown?
- Nearby places include Black Jack (2.6 mi), Florissant (3.5 mi), West Alton (4.1 mi), Spanish Lake (5 mi), Calverton Park (5.4 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023