50674 ZIP Code — Sumner, IA

Bremer County, Iowa

ZIP code 50674 is located in Sumner, Iowa, within Bremer County. It covers approximately 158.93 square miles and serves a population of 3,539 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 563.

About ZIP code 50674

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 $151,200. Owner-occupancy is high at 81%, well above the national average.

Median household income is $69,375. 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 19 minutes is near the national average.

College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 50674 reflects a community defined by high homeownership and a significant Social Security-dependent population.

3,539

population

158.93

sq mi land

Standard

ZIP type

Central (CT)

timezone

50674 ZIP code map

Cities in ZIP code 50674

Below are the cities the US Postal Service accepts for ZIP code 50674. Using any city not on this list may result in mail delivery delays.

City	Status
Sumner	Acceptable
Sumner	Preferred

Nearby ZIP codes

50676 Tripoli (7.5 mi) 50630 Fredericksburg (9.4 mi) 52147 Hawkeye (11.2 mi) 50668 Readlyn (11.5 mi) 50655 Maynard (12.1 mi) 50629 Fairbank (13.8 mi) 50662 Oelwein (14.2 mi) 50622 Denver (15.8 mi) 50677 Waverly (15.9 mi) 52142 Fayette (17.6 mi) 52171 Waucoma (17.6 mi) 50626 Dunkerton (18 mi)

Demographics updated 05/2026

Population
Total population	3,539
Population density	22 / sq mi
State FIPS	19
County FIPS	017

Geography
Land area	158.93 sq mi
Water area	1.42 sq mi
Latitude	42.8399
Longitude	-92.1244
Timezone	Central (CT)
Area code	563

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.9%	30.8%	40.1%
$50k – $100k	31.1%	37.7%	33.4%
$100k – $200k	26.3%	28.2%	21.5%
Over $200k	3.6%	3.3%	5.0%

Demographics & statistics

3,539

Population

People per sq mi

44.0

Median age

$69,375

Median household income

$38,326

Per capita income

$151,200

Median home value

$717

Median monthly rent

80.7%

Home ownership

8.7%

Poverty rate

4.6%

Unemployment

1,305

Housing units

20.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

121

5–9

116

130

10–14

125

107

15–19

103

20–24

134

25–34

129

262

35–44

251

265

45–54

254

139

55–59

133

60–64

198

65–74

190

137

75–84

131

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	786	22.2%
18 and over	2,753	77.8%
65 and over	777	22.0%
Median age	44.0 years

Race & ethnicity

White 97.4%

Two or more races 1.3%

Black or African American 0.7%

Hispanic or Latino 0.3%

American Indian / Alaska Native 0.3%

Group	Count	%
White	3,458	97.4%
Two or more races	47	1.3%
Black or African American	25	0.7%
Hispanic or Latino	10	0.3%
American Indian / Alaska Native	9	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.9%	30.8%	40.1%
$50k – $100k	31.1%	37.7%	33.4%
$100k – $200k	26.3%	28.2%	21.5%
Over $200k	3.6%	3.3%	5.0%

Under $10k 2.8%

$10k–$15k 3.5%

$15k–$25k 7.7%

$25k–$35k 5.5%

$35k–$50k 11.9%

$50k–$75k 20.6%

$75k–$100k 13.0%

$100k–$150k 21.5%

$150k–$200k 5.7%

$200k+ 7.5%

Range	% of households
Under $10k	2.8%
$10k–$15k	3.5%
$15k–$25k	7.7%
$25k–$35k	5.5%
$35k–$50k	11.9%
$50k–$75k	20.6%
$75k–$100k	13.0%
$100k–$150k	21.5%
$150k–$200k	5.7%
$200k+	7.5%
Median income	$69,375

Housing

Home values

Under $50k 5.7%

$50k–$100k 26.3%

$100k–$150k 17.6%

$150k–$200k 16.3%

$200k–$300k 22.4%

$300k–$500k 6.5%

$500k–$1M 3.5%

$1M+ 1.6%

Housing overview

Metric	Value
Median home value	$151,200
Median rent / month	$717
Owner occupied	80.7%
Renter occupied	19.3%
Vacant	8.6%
Single-family detached	86.0%
Large apartment buildings	0.0%
Mobile homes	1.7%
Median rooms	6.8
Avg household size (owned)	2.47

Year built

Era	%
2020 or later	0.3%
2010–2019	1.1%
2000–2009	4.8%
1990–1999	3.2%
1980–1989	2.9%
1970–1979	8.5%
1960–1969	4.6%
1950–1959	14.0%
1940–1949	5.7%
1939 or earlier	54.9%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	5.7%
2 bedrooms	20.3%
3 bedrooms	41.2%
4 bedrooms	24.2%
5+ bedrooms	7.3%

Vehicles per household

Vehicles	% of households
No vehicle	2.1%
1 vehicle	26.2%
2 vehicles	36.2%
3 or more	35.4%

Heating fuel

Fuel type	%
Utility gas	46.7%
Electricity	16.4%
Propane / LP gas	32.8%
Fuel oil	0.7%
Wood	3.2%

Households & families

Household type	Count	%
Married-couple family	827	57.1%
Cohabiting couple	37	2.6%
Male householder, no spouse	330	22.8%
Female householder, no spouse	254	17.5%
Households with children under 18	360	24.9%
Households with seniors (65+)	502	34.7%
Average household size	2.40

Marital status

Status	Male	Female
Never married	23.5%	25.9%
Married	60.9%	57.8%
Separated	0.0%	0.5%
Widowed	2.3%	8.6%
Divorced	13.3%	7.1%

Education

Less than 9th grade 1.6%

Some HS, no diploma 3.5%

HS graduate 39.8%

Some college, no degree 18.2%

Associate's degree 16.7%

Bachelor's degree 12.9%

Graduate / professional 7.2%

Metric	%
HS diploma or higher	94.9%
Bachelor's or higher	20.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	19	2.4%
Kindergarten	86	11.0%
Elementary school	384	48.9%
High school	209	26.6%
College / grad school	87	11.1%

Employment

Industry of employment

Education & healthcare 30.6%

Manufacturing 15.9%

Finance & real estate 7.6%

Transportation & utilities 7.0%

Agriculture & mining 6.7%

Retail trade 6.6%

Construction 6.0%

Professional & management 4.9%

Arts, food & hospitality 4.3%

Other services 4.2%

Wholesale trade 2.8%

Information 2.1%

Public administration 1.3%

Occupation

Category	%
Management, business & arts	32.8%
Service	17.3%
Sales & office	22.1%
Natural resources & construction	8.6%
Production & transportation	19.2%

Employment type

Type	%
Private sector	85.7%
Government	9.4%
Self-employed	4.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.4%
Carpool	6.6%
Public transit	0.0%
Walk	4.8%
Work from home	8.2%
Other means	0.0%
Avg commute (minutes)	19.3

Poverty

All people 8.7%

Under 18 years 14.9%

18 and over 6.9%

Married-couple families 3.0%

Female-led households 36.0%

Income support

Source	% of households
Social Security	36.3%
Retirement income	22.2%
Supplemental Security	7.3%
Cash public assistance	0.6%
Food stamps / SNAP	6.4%

Health indicators

Condition	%
Obesity	38.5%
High blood pressure	35.3%
High cholesterol	34.3%
Diabetes	10.2%
Heart disease	7.3%
Stroke	3.2%
Asthma	8.8%
Arthritis	27.4%
Kidney disease	3.0%
Pulmonary disease	6.9%
Cancer	8.3%

Behavior / access	%
Smoking	16.1%
Binge drinking	20.6%
No physical activity	24.1%
Less than 7 hrs sleep	28.4%
Depression	16.4%
Fair or poor health	12.2%
Poor mental health	12.3%
Poor physical health	9.5%
No health insurance	8.6%
Visited doctor (checkup)	76.9%
Visited dentist	70.9%
Cholesterol screening	90.2%
Teeth loss	11.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	209	7.6%

Disability	%
Any disability	12.1%
Under 18	4.2%
18–64 years	10.9%
65 and over	24.0%

Health insurance coverage

Type	%
Private insurance	78.7%
Public insurance	38.8%
No insurance	1.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,370	95.2%
Spanish	24	0.7%
Other Indo-European	24	0.7%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,524	99.6%
Born in same state	3,524	99.6%
Born in different state	3,211	90.7%
Foreign born	0	0.0%
Naturalized citizen	15	0.4%
Not a US citizen	15	100.0%

Ancestry

Ancestry	Count	%
Italian	619	17.5%
French	341	9.6%
Polish	140	4%
Arab	127	3.6%

Ancestry	Count	%
English	63	1.8%
Dutch	25	0.7%
Irish	5	0.1%

Technology access

Metric	% of households
Computer access	40.9%
Internet access	90.5%

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

Frequently asked questions about ZIP code 50674

What city is ZIP code 50674 in?

ZIP code 50674 is primarily assigned to Sumner, Iowa.

What county is ZIP code 50674 in?

ZIP code 50674 falls within Bremer County, Iowa.

Is ZIP code 50674 mostly owner-occupied?

81% of occupied units in ZIP code 50674 are owner-occupied, well above the national average.

Does ZIP code 50674 have a large retiree population?

36% of households in ZIP code 50674 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 50674?

The median home value in ZIP code 50674 is $151,200.

What is the population of ZIP code 50674?

ZIP code 50674 has an estimated population of 3,539 residents, with a density of 22 people per square mile.

What timezone is ZIP code 50674 in?

ZIP code 50674 observes the CST timezone.