Madison ZIP Codes — Lake County, SD

There is one unique ZIP code in Madison, South Dakota and it is 57042. Area code: 605.

ZIP codes

193.22

sq mi land

3.71

sq mi water

605

area code

Madison, SD ZIP code map

About Madison, SD

Madison, South Dakota, is a charming city located in Lake County. Known for its friendly atmosphere and strong sense of community, it offers a cozy small-town vibe. With a variety of recreational opportunities and cultural attractions, Madison is an appealing destination for both residents and visitors.

Location & geography

Madison is situated in eastern South Dakota, approximately 45 miles northwest of Sioux Falls and 20 miles east of Brookings. The city encompasses a land area of 193.22 square miles, with an additional 3.71 square miles covered by water. The terrain is characterized by rolling hills and numerous lakes, providing beautiful scenery and opportunities for outdoor activities.

Community & economy

The character of Madison reflects its rich history and commitment to community values, with a population that is close-knit and welcoming. The city has a diverse economic base, with key industries including education, healthcare, and agriculture. Daily life in Madison is vibrant, with numerous local events and activities that foster community spirit.

Transportation

Madison is served by U.S. Highway 34 and South Dakota Highway 34, providing easy access to neighboring areas. The nearest major airport is Sioux Falls Regional Airport, located about 45 miles away, offering regional flights. Public transportation options may be limited, but the city’s walkability makes it easy to navigate.

History

Madison was founded in the late 19th century and has since developed into a vital regional center in South Dakota. Agriculture has historically been a key industry in the area, providing livelihoods for many residents. Over the years, notable events such as the annual Madison Harvest Fest have highlighted the city’s agricultural heritage and community spirit.

Did you know?

A surprising fact about Madison is that it is home to the Dakota State University, which is known for its emphasis on technology and computer science. Additionally, Madison features several lakes, including Lake Madison, which is popular for recreational activities such as fishing and boating.

ZIP codes for Madison, SD (1)

ZIP code	City	County	Map
57042	Madison	Lake	View map

Demographics & statistics

8,178

Population

42.4

Median age

$70,046

Median household income

$37,243

Per capita income

$173,400

Median home value

$813

Median monthly rent

66.8%

Home ownership

11.6%

Poverty rate

1.9%

Unemployment

2,654

Housing units

36.9%

Bachelor's or higher

Age distribution

Male Female

238

Under 5

230

247

5–9

237

254

10–14

244

341

15–19

328

343

20–24

330

392

25–34

377

427

35–44

410

366

45–54

352

334

55–59

321

299

60–64

287

610

65–74

588

196

75–84

189

121

85+

117

← Male

Female →

Age summary

Group	Count	%
Under 18	1,713	20.9%
18 and over	6,465	79.1%
65 and over	1,821	22.3%
Median age	42.4 years

Race & ethnicity

White 94.8%

Two or more races 2.8%

American Indian / Alaska Native 1.6%

Hispanic or Latino 0.4%

Black or African American 0.3%

Group	Count	%
White	7,782	94.8%
Two or more races	229	2.8%
American Indian / Alaska Native	134	1.6%
Hispanic or Latino	35	0.4%
Black or African American	28	0.3%

Household income

Under $10k 6.6%

$10k–$15k 1.7%

$15k–$25k 12.8%

$25k–$35k 4.8%

$35k–$50k 8.3%

$50k–$75k 20.2%

$75k–$100k 11.4%

$100k–$150k 22.5%

$150k–$200k 5.3%

$200k+ 6.6%

Range	% of households
Under $10k	6.6%
$10k–$15k	1.7%
$15k–$25k	12.8%
$25k–$35k	4.8%
$35k–$50k	8.3%
$50k–$75k	20.2%
$75k–$100k	11.4%
$100k–$150k	22.5%
$150k–$200k	5.3%
$200k+	6.6%
Median income	$70,046

Housing

Home values

Under $50k 7.1%

$50k–$100k 14.9%

$100k–$150k 15.7%

$150k–$200k 18.5%

$200k–$300k 22.4%

$300k–$500k 14.7%

$500k–$1M 5.8%

$1M+ 1.0%

Housing overview

Metric	Value
Median home value	$173,400
Median rent / month	$813
Owner occupied	66.8%
Renter occupied	33.2%
Vacant	13.9%
Single-family detached	68.1%
Large apartment buildings	7.9%
Mobile homes	6.2%
Median rooms	5.8
Avg household size (owned)	2.62

Year built

Era	%
2020 or later	0.0%
2010–2019	4.3%
2000–2009	8.4%
1990–1999	15.0%
1980–1989	8.5%
1970–1979	13.6%
1960–1969	14.3%
1950–1959	7.2%
1940–1949	4.2%
1939 or earlier	24.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	13.3%
2 bedrooms	27.1%
3 bedrooms	32.3%
4 bedrooms	19.9%
5+ bedrooms	6.9%

Vehicles per household

Vehicles	% of households
No vehicle	3.3%
1 vehicle	27.7%
2 vehicles	39.7%
3 or more	29.4%

Heating fuel

Fuel type	%
Utility gas	59.2%
Electricity	26.9%
Propane / LP gas	9.4%
Fuel oil	1.2%
Wood	0.2%
No fuel used	2.5%

Households & families

Household type	Count	%
Married-couple family	1,504	47.0%
Cohabiting couple	251	7.8%
Male householder, no spouse	656	20.5%
Female householder, no spouse	787	24.6%
Households with children under 18	770	24.1%
Households with seniors (65+)	1,156	36.1%
Average household size	2.39

Marital status

Status	Male	Female
Never married	38.5%	26.8%
Married	49.9%	45.9%
Separated	2.0%	4.1%
Widowed	1.0%	13.4%
Divorced	8.6%	9.7%

Education

Less than 9th grade 1.1%

Some HS, no diploma 5.3%

HS graduate 24.7%

Some college, no degree 20.8%

Associate's degree 11.2%

Bachelor's degree 25.9%

Graduate / professional 11.0%

Metric	%
HS diploma or higher	93.6%
Bachelor's or higher	36.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	150	6.7%
Kindergarten	119	5.3%
Elementary school	811	36.4%
High school	327	14.7%
College / grad school	822	36.9%

Employment

Industry of employment

Education & healthcare 29.2%

Retail trade 14.0%

Manufacturing 10.9%

Arts, food & hospitality 8.9%

Transportation & utilities 8.0%

Agriculture & mining 5.8%

Public administration 5.8%

Professional & management 4.6%

Other services 4.6%

Construction 4.2%

Finance & real estate 2.4%

Information 0.9%

Wholesale trade 0.7%

Occupation

Category	%
Management, business & arts	36.6%
Service	19.1%
Sales & office	23.3%
Natural resources & construction	8.8%
Production & transportation	12.1%

Employment type

Type	%
Private sector	65.3%
Government	24.4%
Self-employed	10.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	83.1%
Carpool	4.5%
Public transit	0.6%
Walk	4.1%
Other means	1.0%
Avg commute (minutes)	13.5

Poverty

All people 11.6%

Under 18 years 17.0%

18 and over 10.0%

Married-couple families 2.4%

Female-led households 9.3%

Income support

Source	% of households
Social Security	37.8%
Retirement income	23.1%
Supplemental Security	6.2%
Cash public assistance	2.8%
Food stamps / SNAP	5.5%

Health indicators

Condition	%
High blood pressure	28.7%
High cholesterol	28.5%
Heart disease	6.8%
Stroke	3.1%
Asthma	9.0%
Arthritis	23.0%
Kidney disease	3.0%
Pulmonary disease	5.9%
Cancer	7.2%

Behavior / access	%
Binge drinking	20.7%
No physical activity	23.1%
Less than 7 hrs sleep	27.3%
Fair or poor health	11.2%
Poor mental health	10.9%
Poor physical health	8.7%
No health insurance	11.9%
Visited doctor (checkup)	74.3%
Visited dentist	67.7%
Cholesterol screening	86.5%
Teeth loss	14.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	407	6.3%

Disability	%
Any disability	13.0%
Under 18	3.6%
18–64 years	10.2%
65 and over	30.3%

Health insurance coverage

Type	%
Private insurance	74.0%
Public insurance	37.9%
Uninsured under 19	1.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,710	94.3%
Spanish	18	0.2%
Other Indo-European	10	0.1%
Asian & Pacific Islander	8	0.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,108	99.1%
Born in same state	8,096	99.0%
Born in different state	5,593	68.4%
Foreign born	12	0.1%
Naturalized citizen	70	0.9%
Not a US citizen	49	70.0%

Ancestry

Ancestry	Count	%
Polish	1,692	20.7%
Italian	873	10.7%
French	687	8.4%
Arab	616	7.5%

Ancestry	Count	%
English	260	3.2%
Dutch	35	0.4%
German	19	0.2%
Irish	14	0.2%

Technology access

Metric	% of households
Computer access	39.1%
Internet access	96.0%

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

Frequently asked questions

What ZIP codes does Madison, SD have?

Madison, SD has one ZIP code: 57042. Each ZIP code serves a distinct delivery area within the city and surrounding region.