Jefferson County, Missouri

25 cities & places have their primary county here.

Population: 228,227
Median household income: $80,522
Median home value: $218,800

Jefferson County is a county in Missouri with a population of 228,227. 25 cities and places have their primary county here. Its median household income of $80,522 runs above the Missouri figure of $68,920.

From 2019 to 2023, Jefferson County's population grew 1.9% from 223,951 to 228,227, while its median household income rose 23.0% from $65,454 to $80,522.

Owners occupy 81.4% of the area's occupied homes. The median resident is 40.2 years old.

Demographics

ACS 2019–2023

Population: 228,227
Median age: 40.2 yrs
Median household income: $80,522
Median home value: $218,800
Median gross rent: $972
Housing units: 93,276
Homeownership rate: 81.4%
Bachelor's degree or higher: 23.6%
Unemployment rate: 3.6%

Trends

ACS 5-year · 2019–2023

Population

223,951228,227

Median household income

$65,454$80,522

Median home value

$161,800$218,800

Median gross rent

$855$972

Year	Population	Median household income	Median home value	Median gross rent
2019	223,951	$65,454	$161,800	$855
2020	224,777	$67,606	$167,700	$871
2021	225,913	$71,285	$175,000	$889
2022	226,984	$77,217	$202,500	$957
2023	228,227	$80,522	$218,800	$972

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.6%

5 to 1717.1%

18 to 247.5%

25 to 3412.2%

35 to 4413.8%

45 to 5412.8%

55 to 6414.8%

65 to 7410.3%

75 and over5.8%

	Count	Share
Under 5	12,861	5.6%
5 to 17	39,135	17.1%
18 to 24	17,123	7.5%
25 to 34	27,941	12.2%
35 to 44	31,402	13.8%
45 to 54	29,321	12.8%
55 to 64	33,674	14.8%
65 to 74	23,572	10.3%
75 and over	13,198	5.8%

Race & ethnicity

	Count	Share
White (non-Hispanic)	203,032	89.0%
Black or African American	2,431	1.1%
American Indian & Alaska Native	191	0.1%
Asian	2,297	1.0%
Native Hawaiian & Pacific Islander	60	0.0%
Some other race	674	0.3%
Two or more races	13,749	6.0%
Hispanic or Latino (any race)	5,793	2.5%

Educational attainment (age 25+)

No high school diploma8.5%

High school graduate31.7%

Some college or associate's36.1%

Bachelor's degree16.0%

Graduate or professional degree7.6%

	Count	Share
No high school diploma	13,602	8.5%
High school graduate	50,457	31.7%
Some college or associate's	57,475	36.1%
Bachelor's degree	25,515	16.0%
Graduate or professional degree	12,059	7.6%

Commute to work

Mean travel time to work: 30 min

Drove alone81.0%

Carpooled7.1%

Public transit0.1%

Walked0.7%

Bicycle0.0%

Worked from home10.1%

Other means0.9%

How workers get to work

	Count	Share
Drove alone	93,113	81.0%
Carpooled	8,192	7.1%
Public transit	147	0.1%
Walked	813	0.7%
Bicycle	18	0.0%
Worked from home	11,665	10.1%
Other means	1,021	0.9%

Travel time

	Count	Share
Under 15 min	16,976	16.4%
15 to 29 min	31,880	30.9%
30 to 44 min	30,165	29.2%
45 to 59 min	14,897	14.4%
60+ min	9,386	9.1%

Households

Average household size: 2.60
Poverty rate: 8.6% (19,263 of 225,281)

	Count	Share
Family households	61,435	70.6%
Nonfamily households	25,590	29.4%

Housing

Median year structure built: 1986

Occupancy

	Count	Share
Occupied	87,025	93.3%
Vacant	6,251	6.7%

Tenure (of occupied units)

	Count	Share
Owner-occupied	70,872	81.4%
Renter-occupied	16,153	18.6%

1-unit, detached79.7%

1-unit, attached1.7%

2 to 4 units3.6%

5 to 19 units4.0%

20 or more units1.4%

Mobile home & other9.5%

Units in structure

	Count	Share
1-unit, detached	74,314	79.7%
1-unit, attached	1,618	1.7%
2 to 4 units	3,337	3.6%
5 to 19 units	3,777	4.0%
20 or more units	1,348	1.4%
Mobile home & other	8,882	9.5%

Geography

County GEOID: 29099
State: Missouri
Land area: 656 sq mi
Water area: 7.82 sq mi
Center point: 38.2576, -90.5437

Compare with nearby counties

Other counties in Missouri

114