66006 ZIP Code — Baldwin City, KS

Douglas County, Kansas

ZIP code 66006 is located in Baldwin City, Kansas, within Douglas County. It covers approximately 108.72 square miles and serves a population of 7,688 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 785.

About ZIP code 66006

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $286,000. Owner-occupancy sits near the national average at 75%.

Median household income is $86,468. The poverty rate of 7% is below the national average. 36% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.

Educational attainment is high — 49% of residents hold a bachelor's degree or higher, well above the national average of 33%.

7,688

population

108.72

sq mi land

Standard

ZIP type

Central (CT)

timezone

66006 ZIP code map

Cities in ZIP code 66006

Below are the cities the US Postal Service accepts for ZIP code 66006. Using any city not on this list may result in mail delivery delays.

City	Status
Baldwin City	Acceptable
Baldwin City	Preferred

Nearby ZIP codes

66046 Lawrence (7.2 mi) 66047 Lawrence (8.3 mi) 66092 Wellsville (9.4 mi) 66025 Eudora (9.7 mi) 66045 Lawrence (10.8 mi) 66021 Edgerton (12.1 mi) 66067 Ottawa (12.6 mi) 66049 Lawrence (13.4 mi) 66524 Overbrook (13.7 mi) 66030 Gardner (16.2 mi) 66030 Gardner (16.2 mi) 66044 Lawrence (16.6 mi)

Demographics updated 05/2026

Population
Total population	7,688
Population density	71 / sq mi
State FIPS	20
County FIPS	045

Geography
Land area	108.72 sq mi
Water area	1.20 sq mi
Latitude	38.8006
Longitude	-95.2370
Timezone	Central (CT)
Area code	785

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.8%	41.9%	41.1%
$50k – $100k	35.4%	30.0%	32.2%
$100k – $200k	30.4%	21.8%	21.0%
Over $200k	5.3%	6.2%	5.7%

Demographics & statistics

7,688

Population

People per sq mi

39.4

Median age

$86,468

Median household income

$38,727

Per capita income

$286,000

Median home value

$1,001

Median monthly rent

74.6%

Home ownership

6.6%

Poverty rate

4.5%

Unemployment

2,208

Housing units

48.8%

Bachelor's or higher

Age distribution

Male Female

163

Under 5

164

265

5–9

267

226

10–14

227

433

15–19

435

318

20–24

319

284

25–34

286

551

35–44

554

366

45–54

368

315

55–59

317

297

60–64

299

405

65–74

407

136

75–84

136

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,659	21.6%
18 and over	6,029	78.4%
65 and over	1,234	16.1%
Median age	39.4 years

Race & ethnicity

White 89.6%

Two or more races 3.6%

Asian 2.2%

Hispanic or Latino 1.8%

Other race 1.5%

Black or African American 1.1%

American Indian / Alaska Native 0.3%

Group	Count	%
White	7,010	89.6%
Two or more races	282	3.6%
Asian	171	2.2%
Hispanic or Latino	137	1.8%
Other race	115	1.5%
Black or African American	87	1.1%
American Indian / Alaska Native	23	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.8%	41.9%	41.1%
$50k – $100k	35.4%	30.0%	32.2%
$100k – $200k	30.4%	21.8%	21.0%
Over $200k	5.3%	6.2%	5.7%

Under $10k 2.8%

$10k–$15k 4.4%

$15k–$25k 5.0%

$25k–$35k 2.9%

$35k–$50k 9.9%

$50k–$75k 16.9%

$75k–$100k 19.6%

$100k–$150k 15.5%

$150k–$200k 13.1%

$200k+ 9.9%

Range	% of households
Under $10k	2.8%
$10k–$15k	4.4%
$15k–$25k	5.0%
$25k–$35k	2.9%
$35k–$50k	9.9%
$50k–$75k	16.9%
$75k–$100k	19.6%
$100k–$150k	15.5%
$150k–$200k	13.1%
$200k+	9.9%
Median income	$86,468

Housing

Home values

Under $50k 4.5%

$50k–$100k 1.2%

$100k–$150k 6.1%

$150k–$200k 13.0%

$200k–$300k 28.7%

$300k–$500k 30.1%

$500k–$1M 14.0%

$1M+ 2.3%

Housing overview

Metric	Value
Median home value	$286,000
Median rent / month	$1,001
Owner occupied	74.6%
Renter occupied	25.4%
Vacant	4.1%
Single-family detached	82.9%
Large apartment buildings	2.4%
Mobile homes	2.1%
Median rooms	6.2
Avg household size (owned)	2.58

Year built

Era	%
2020 or later	0.0%
2010–2019	11.1%
2000–2009	18.5%
1990–1999	14.9%
1980–1989	7.7%
1970–1979	12.7%
1960–1969	10.3%
1950–1959	4.7%
1940–1949	2.0%
1939 or earlier	18.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	7.5%
2 bedrooms	19.9%
3 bedrooms	35.1%
4 bedrooms	31.2%
5+ bedrooms	6.3%

Vehicles per household

Vehicles	% of households
No vehicle	7.6%
1 vehicle	17.2%
2 vehicles	42.7%
3 or more	32.4%

Heating fuel

Fuel type	%
Utility gas	40.6%
Electricity	31.9%
Propane / LP gas	24.2%
Wood	2.2%

Households & families

Household type	Count	%
Married-couple family	1,772	63.3%
Cohabiting couple	115	4.1%
Male householder, no spouse	402	14.4%
Female householder, no spouse	509	18.2%
Households with children under 18	1,025	36.6%
Households with seniors (65+)	967	34.6%
Average household size	2.47

Marital status

Status	Male	Female
Never married	30.3%	30.2%
Married	59.7%	56.9%
Separated	0.4%	0.0%
Widowed	3.7%	6.6%
Divorced	5.8%	6.2%

Education

Less than 9th grade 0.3%

Some HS, no diploma 1.4%

HS graduate 21.0%

Some college, no degree 21.7%

Associate's degree 6.8%

Bachelor's degree 33.2%

Graduate / professional 15.6%

Metric	%
HS diploma or higher	98.3%
Bachelor's or higher	48.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	117	4.9%
Kindergarten	22	0.9%
Elementary school	814	34.2%
High school	398	16.7%
College / grad school	1,027	43.2%

Employment

Industry of employment

Education & healthcare 30.9%

Transportation & utilities 11.5%

Manufacturing 10.1%

Construction 8.4%

Retail trade 8.2%

Arts, food & hospitality 6.8%

Professional & management 6.2%

Other services 5.6%

Public administration 4.5%

Wholesale trade 2.9%

Finance & real estate 1.8%

Information 1.6%

Agriculture & mining 1.4%

Occupation

Category	%
Management, business & arts	48.2%
Service	14.2%
Sales & office	14.2%
Natural resources & construction	14.4%
Production & transportation	9.0%

Employment type

Type	%
Private sector	73.2%
Government	21.7%
Self-employed	5.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.7%
Carpool	9.7%
Public transit	0.2%
Walk	8.9%
Work from home	6.4%
Other means	0.0%
Avg commute (minutes)	24.2

Poverty

All people 6.6%

Under 18 years 8.5%

18 and over 6.0%

Married-couple families 1.2%

Female-led households 40.6%

Income support

Source	% of households
Social Security	36.3%
Retirement income	28.1%
Supplemental Security	3.8%
Cash public assistance	0.0%
Food stamps / SNAP	4.4%

Health indicators

Condition	%
Obesity	29.5%
High blood pressure	28.0%
High cholesterol	32.1%
Diabetes	7.6%
Heart disease	5.1%
Stroke	2.2%
Asthma	9.3%
Arthritis	19.5%
Kidney disease	2.3%
Pulmonary disease	4.8%
Cancer	6.2%

Behavior / access	%
Smoking	14.5%
Binge drinking	20.5%
No physical activity	17.1%
Less than 7 hrs sleep	30.8%
Depression	21.9%
Fair or poor health	9.7%
Poor mental health	14.5%
Poor physical health	7.8%
No health insurance	11.5%
Visited doctor (checkup)	70.8%
Visited dentist	71.7%
Cholesterol screening	87.9%
Teeth loss	9.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	327	5.5%

Disability	%
Any disability	15.8%
Under 18	3.9%
18–64 years	12.6%
65 and over	45.3%

Health insurance coverage

Type	%
Private insurance	85.9%
Public insurance	26.5%
No insurance	2.9%
Uninsured under 19	0.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,361	95.7%
Spanish	61	0.8%
Other Indo-European	0	0.0%
Asian & Pacific Islander	13	0.2%
Other languages	48	0.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,576	98.5%
Born in same state	7,510	97.7%
Born in different state	4,747	61.7%
Foreign born	66	0.9%
Naturalized citizen	112	1.5%
Not a US citizen	54	48.2%

Ancestry

Ancestry	Count	%
French	1,619	21.1%
Italian	1,144	14.9%
Arab	483	6.3%
English	148	1.9%

Ancestry	Count	%
Polish	137	1.8%
German	119	1.5%
Dutch	85	1.1%
Norwegian	12	0.2%

Technology access

Metric	% of households
Computer access	36.4%
Internet access	97.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 66006

What city is ZIP code 66006 in?

ZIP code 66006 is primarily assigned to Baldwin City, Kansas.

What county is ZIP code 66006 in?

ZIP code 66006 falls within Douglas County, Kansas.

How educated is the population of ZIP code 66006?

49% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 66006 have a large retiree population?

36% of households in ZIP code 66006 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 66006?

ZIP code 66006 has an estimated population of 7,688 residents, with a density of 71 people per square mile.

What is the typical home value in ZIP code 66006?

The median home value in ZIP code 66006 is $286,000.

What timezone is ZIP code 66006 in?

ZIP code 66006 observes the CST timezone.