57235 ZIP Code — Florence, SD

Codington County, South Dakota

ZIP code 57235 is located in Florence, South Dakota, within Codington County. It covers approximately 131.68 square miles and serves a population of 843 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57235

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $217,100. Owner-occupancy is high at 89%, well above the national average.

Median household income is $71,786. The poverty rate of 7% is below the national average. 43% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 25 minutes is near the national average.

College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 57235 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

843

population

131.68

sq mi land

Standard

ZIP type

Central (CT)

timezone

57235 ZIP code map

Cities in ZIP code 57235

Below are the cities the US Postal Service accepts for ZIP code 57235. Using any city not on this list may result in mail delivery delays.

City	Status
Florence	Preferred

Nearby ZIP codes

57272 Wallace (8 mi) 57201 Watertown (10.2 mi) 57243 Henry (11 mi) 57263 South Shore (12.9 mi) 57236 Garden City (15.7 mi) 57217 Bradley (16.6 mi) 57273 Waubay (18.2 mi) 57242 Hazel (18.5 mi)

Demographics updated 05/2026

Population
Total population	843
Population density	6 / sq mi
State FIPS	46
County FIPS	029

Geography
Land area	131.68 sq mi
Water area	8.24 sq mi
Latitude	45.0499
Longitude	-97.2781
Timezone	Central (CT)
Area code	605

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	29.7%	45.0%	41.7%
$50k – $100k	38.0%	34.1%	33.8%
$100k – $200k	30.3%	17.2%	20.1%
Over $200k	2.1%	3.7%	4.4%

Demographics & statistics

843

Population

People per sq mi

49.1

Median age

$71,786

Median household income

$33,678

Per capita income

$217,100

Median home value

$844

Median monthly rent

88.8%

Home ownership

7.3%

Poverty rate

1.2%

Unemployment

314

Housing units

16.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	214	25.4%
18 and over	629	74.6%
65 and over	214	25.4%
Median age	49.1 years

Race & ethnicity

White 92.7%

American Indian / Alaska Native 3.1%

Two or more races 1.8%

Asian 0.9%

Hispanic or Latino 0.8%

Other race 0.7%

Group	Count	%
White	788	92.7%
American Indian / Alaska Native	26	3.1%
Two or more races	15	1.8%
Asian	8	0.9%
Hispanic or Latino	7	0.8%
Other race	6	0.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	29.7%	45.0%	41.7%
$50k – $100k	38.0%	34.1%	33.8%
$100k – $200k	30.3%	17.2%	20.1%
Over $200k	2.1%	3.7%	4.4%

Under $10k 2.9%

$10k–$15k 0.3%

$15k–$25k 3.5%

$25k–$35k 11.5%

$35k–$50k 13.1%

$50k–$75k 21.8%

$75k–$100k 11.5%

$100k–$150k 25.3%

$150k–$200k 7.1%

$200k+ 2.9%

Range	% of households
Under $10k	2.9%
$10k–$15k	0.3%
$15k–$25k	3.5%
$25k–$35k	11.5%
$35k–$50k	13.1%
$50k–$75k	21.8%
$75k–$100k	11.5%
$100k–$150k	25.3%
$150k–$200k	7.1%
$200k+	2.9%
Median income	$71,786

Housing

Home values

Under $50k 7.6%

$50k–$100k 10.8%

$100k–$150k 16.2%

$150k–$200k 13.0%

$200k–$300k 30.0%

$300k–$500k 14.1%

$500k–$1M 7.2%

$1M+ 1.1%

Housing overview

Metric	Value
Median home value	$217,100
Median rent / month	$844
Owner occupied	88.8%
Renter occupied	11.2%
Vacant	10.6%
Single-family detached	84.8%
Large apartment buildings	0.0%
Mobile homes	9.5%
Median rooms	7.1
Avg household size (owned)	2.77

Year built

Era	%
2020 or later	0.0%
2010–2019	7.7%
2000–2009	17.2%
1990–1999	19.2%
1980–1989	0.9%
1970–1979	17.8%
1960–1969	3.7%
1950–1959	2.9%
1940–1949	2.9%
1939 or earlier	27.8%

Bedrooms

Size	% of units
No bedroom (studio)	2.6%
1 bedroom	5.7%
2 bedrooms	12.6%
3 bedrooms	38.1%
4 bedrooms	29.2%
5+ bedrooms	11.7%

Vehicles per household

Vehicles	% of households
No vehicle	1.6%
1 vehicle	12.2%
2 vehicles	37.8%
3 or more	48.4%

Heating fuel

Fuel type	%
Utility gas	1.0%
Electricity	49.0%
Propane / LP gas	45.8%
Fuel oil	2.9%

Households & families

Household type	Count	%
Married-couple family	219	70.2%
Cohabiting couple	10	3.2%
Male householder, no spouse	47	15.1%
Female householder, no spouse	36	11.5%
Households with children under 18	90	28.8%
Households with seniors (65+)	127	40.7%
Average household size	2.70

Marital status

Status	Male	Female
Never married	16.8%	12.9%
Married	74.0%	74.9%
Separated	0.0%	0.3%
Widowed	3.9%	8.1%
Divorced	5.3%	3.9%

Education

Less than 9th grade 2.5%

Some HS, no diploma 0.8%

HS graduate 51.1%

Some college, no degree 13.4%

Associate's degree 15.8%

Bachelor's degree 10.9%

Graduate / professional 5.5%

Metric	%
HS diploma or higher	96.7%
Bachelor's or higher	16.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	14	8.3%
Kindergarten	15	8.9%
Elementary school	114	67.9%
High school	18	10.7%
College / grad school	7	4.2%

Employment

Industry of employment

Manufacturing 26.8%

Agriculture & mining 14.6%

Education & healthcare 13.9%

Retail trade 12.7%

Arts, food & hospitality 8.9%

Construction 7.2%

Information 4.5%

Finance & real estate 3.8%

Transportation & utilities 2.9%

Wholesale trade 1.7%

Professional & management 1.4%

Other services 1.0%

Public administration 0.7%

Occupation

Category	%
Management, business & arts	38.0%
Service	7.7%
Sales & office	24.6%
Natural resources & construction	10.5%
Production & transportation	19.1%

Employment type

Type	%
Private sector	78.5%
Government	9.1%
Self-employed	11.2%
Unpaid family workers	1.2%

Commute

Method	%
Drive alone	78.3%
Carpool	5.5%
Public transit	0.0%
Walk	3.4%
Work from home	12.8%
Other means	0.0%
Avg commute (minutes)	24.5

Poverty

All people 7.3%

Under 18 years 11.2%

18 and over 5.9%

Married-couple families 4.6%

Female-led households 7.1%

Income support

Source	% of households
Social Security	42.6%
Retirement income	17.6%
Supplemental Security	0.6%
Cash public assistance	0.0%
Food stamps / SNAP	3.5%

Health indicators

Condition	%
Obesity	34.7%
High blood pressure	30.2%
High cholesterol	28.6%
Diabetes	8.8%
Heart disease	6.6%
Stroke	3.0%
Asthma	8.2%
Arthritis	23.4%
Kidney disease	2.8%
Pulmonary disease	5.7%
Cancer	7.2%

Behavior / access	%
Smoking	18.9%
Binge drinking	22.6%
No physical activity	23.4%
Less than 7 hrs sleep	28.8%
Depression	15.7%
Fair or poor health	11.2%
Poor mental health	10.4%
Poor physical health	8.7%
No health insurance	10.9%
Visited doctor (checkup)	77.2%
Visited dentist	71.2%
Cholesterol screening	89.6%
Teeth loss	12.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	59	9.4%

Disability	%
Any disability	11.7%
Under 18	1.4%
18–64 years	5.6%
65 and over	34.0%

Health insurance coverage

Type	%
Private insurance	71.3%
Public insurance	31.3%
No insurance	4.5%
Uninsured under 19	5.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	789	93.6%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	835	99.1%
Born in same state	835	99.1%
Born in different state	725	86.0%
Foreign born	0	0.0%
Naturalized citizen	8	0.9%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Polish	170	20.2%
Italian	70	8.3%
Arab	42	5%

Ancestry	Count	%
French	27	3.2%
Dutch	15	1.8%
English	3	0.4%

Technology access

Metric	% of households
Computer access	37.0%
Internet access	94.2%

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

Frequently asked questions about ZIP code 57235

What city is ZIP code 57235 in?

ZIP code 57235 is primarily assigned to Florence, South Dakota.

What county is ZIP code 57235 in?

ZIP code 57235 falls within Codington County, South Dakota.

Does ZIP code 57235 have an older population?

25% of residents in ZIP code 57235 are 65 or older, above the national average of ~17%.

Is ZIP code 57235 mostly owner-occupied?

89% of occupied units in ZIP code 57235 are owner-occupied, well above the national average.

Does ZIP code 57235 have a large retiree population?

43% of households in ZIP code 57235 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 57235 have a large veteran population?

9% of civilians in ZIP code 57235 are veterans, above the national average of ~7%.

What timezone is ZIP code 57235 in?

ZIP code 57235 observes the CST timezone.