County

Jefferson County, MO

20 ZIP codes  ·  20 cities  ·  Missouri

👥199,604Population
💰$80,219Median HH Income≈ Avg
🎂40.4Median Age
🏠$218,467Median Home Value▼ 22% below avg
🎓37.9%College Grads≈ Avg
📊3.8%Unemployment▼ 23% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 50.3% Female 49.7% ♀

Race & Ethnicity

White: 89.4%Hispanic: 2.5%Black: 1.1%Asian: 0.9%Other: 6%Race
White89.4%
Hispanic2.5%
Black1.1%
Asian0.9%
Other6.0%

Age Breakdown

Under 5
6%
5–17
17%
18–24
8%
25–44
26%
45–64
28%
65+
8%

Key Indicators

Median Age40.4 yrs
Avg HH Size2.60
Below Poverty8.6% ▼ 14% below avg
College Grads37.9% ≈ Avg
Unemployment3.8% ▼ 23% below avg
No HS Diploma1,285 (1%)
HS Graduate38,231 (29.5%)
Some College20,345 (15.7%)
Associates20,651 (15.9%)
Bachelors19,016 (14.7%)
Graduate Degree30,143 (23.2%)

Education

No HS: 1%HS Grad: 29.5%Some College: 15.7%Associates: 15.9%Bachelors: 14.7%Graduate: 23.2%Edu
No HS1.0%
HS Grad29.5%
Some College15.7%
Associates15.9%
Bachelors14.7%
Graduate23.2%
Housing & Income

Housing Tenure

Owner: 82.1%Renter: 17.9%Tenure
Owner82.1%
Renter17.9%

Home Value Distribution

Under $50k
6%
$50k–$100k
4%
$100k–$150k
13%
$150k–$200k
21%
$200k–$300k
30%
$300k–$500k
20%
Over $500k
5%

Financials

Median HH Income$80,219 ≈ Avg
Median Home Value$218,467 ▼ 22% below avg
Home/Income Ratio2.7x (nat avg ~3.5x)
Median Rent$1,023/mo
Total Housing Units81,984
Vacant Units5,630

Income Distribution

Under $25k
12%
$25k–$50k
15%
$50k–$75k
18%
$75k–$100k
16%
$100k–$150k
21%
$150k–$200k
9%
Over $200k
8%
Employment & Commute

How People Get to Work

Drove Alone
88%
Public Transit
0%
Walked
1%
Work From Home
11%

Commute Time

Under 15 min
16%
15–30 min
30%
30–45 min
28%
Over 45 min
25%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
9%
1960s–1970s
15%
1980s–1990s
19%
2000+
55%
About Jefferson County, MO

Jefferson County is located in Missouri and encompasses 20 ZIP codes spanning 20 cities and communities. The county has an estimated population of 199,604 residents. With a median age of 40.4, it is a middle-aged county.

Jefferson County has a middle-income economic profile. The median household income of $80,218 is near the national average. Unemployment stands at 3.8%, below the national average. The poverty rate of 8.6% is near the national average.

Housing in Jefferson County is an affordable housing market, with a median home value of $218,467 — below the national average. Monthly median rent is approximately $1,023. Homeownership rates are high at 82.1%, reflecting a largely residential, stable population.

The residents of Jefferson County are primarily White (89.38%). Educational attainment is moderately educated — 37.9% of adults hold a bachelor's degree or higher, near the national average.

Jefferson County, MO is a middle-income area in Missouri. The 20 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Jefferson County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
63010 Arnold 34,405 $76,839 $214,100 $1,074 3.8% 37.2%
63012 Barnhart 10,977 $99,860 $228,500 $1,332 2.8% 46.5%
63016 Cedar Hill 6,291 $79,444 $206,800 $1,260 4.3% 30.4%
63019 Crystal City 4,490 $64,700 $170,000 $887 3.6% 36.6%
63020 De Soto 20,357 $65,908 $172,600 $872 4.8% 25.7%
63023 Dittmer 5,442 $73,988 $220,200 $1,054 5.4% 40.7%
63028 Festus 27,913 $76,468 $221,600 $937 3.7% 39.7%
63030 Fletcher 364 $58,917 $191,900 0.0% 17.9%
63041 Grubville 306 $69,545 0.0% 23.8%
63048 Herculaneum 4,143 $89,611 $216,300 $2,158 1.7% 41.3%
63049 High Ridge 17,480 $90,234 $209,200 $926 3.6% 41.3%
63050 Hillsboro 17,681 $79,462 $255,500 $1,000 4.2% 36.6%
63051 House Springs 12,589 $71,513 $186,300 $1,010 2.6% 37.9%
63052 Imperial 28,741 $95,891 $259,400 $965 3.0% 44.1%
63053 Kimmswick 60 $68,750 $217,100 $1,109 0.0% 21.1%
63070 Pevely 8,365 $65,330 $209,200 $846 5.7% 32.2%