Alexander ZIP Codes — Franklin County, IA

There is one unique ZIP code in Alexander, Iowa and it is 50420. Area code: 641.

ZIP codes

47.35

sq mi land

0.00

sq mi water

641

area code

Alexander, IA ZIP code map

About Alexander, IA

Alexander is a small, charming city located in Franklin County, Iowa. It is known for its close-knit community and serene rural atmosphere. This quaint city offers the tranquility of small-town living while being close to larger urban areas.

Location & geography

Situated in north-central Iowa, Alexander is surrounded by beautiful agricultural land. Neighboring cities include Hampton to the southeast, which is approximately 12 miles away, and Sheffield to the south, about 11 miles distant. The city spans a land area of 47.35 square miles with no water area, providing a largely flat terrain suitable for farming.

Community & economy

The character of Alexander is defined by its friendly residents and a sense of local pride. Agricultural industries play a significant role in the economy, with many locals involved in farming and related businesses. Daily life in Alexander reflects a slower pace, where community events and gatherings are important aspects of the social fabric.

Transportation

Alexander is accessible via several local roads, with nearby Highway 65 providing a main route for travelers. The closest airport for commercial flights is the Mason City Municipal Airport, located about 30 miles away. Public transportation options are limited, emphasizing the town's rural setting.

History

Alexander was originally founded in the late 19th century as part of the expansion into Iowa's agricultural lands. Historically, the community has relied heavily on farming and related industries for its economic stability. Over the years, Alexander has maintained its rural identity while adapting to the changing agricultural landscape.

Did you know?

One surprising fact about Alexander is that it has remained a relatively undiscovered gem in Iowa, with few tourists compared to larger cities. Despite its small size, the city's commitment to community development and agriculture makes it an integral part of Franklin County's economy.

ZIP codes for Alexander, IA (1)

ZIP code	City	County	Map
50420	Alexander	Franklin	View map

Demographics & statistics

403

Population

37.8

Median age

$72,596

Median household income

$29,342

Per capita income

$58,100

Median home value

$375

Median monthly rent

81.9%

Home ownership

15.1%

Poverty rate

0.0%

Unemployment

145

Housing units

35.5%

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	115	28.5%
18 and over	288	71.5%
65 and over	74	18.4%
Median age	37.8 years

Race & ethnicity

White 90.1%

Hispanic or Latino 5%

Two or more races 4.5%

Other race 0.5%

Group	Count	%
White	382	90.1%
Hispanic or Latino	21	5%
Two or more races	19	4.5%
Other race	2	0.5%

Household income

Under $10k 2.7%

$10k–$15k 1.3%

$15k–$25k 3.4%

$25k–$35k 11.4%

$35k–$50k 18.1%

$50k–$75k 21.5%

$75k–$100k 19.5%

$100k–$150k 8.1%

$150k–$200k 14.1%

Range	% of households
Under $10k	2.7%
$10k–$15k	1.3%
$15k–$25k	3.4%
$25k–$35k	11.4%
$35k–$50k	18.1%
$50k–$75k	21.5%
$75k–$100k	19.5%
$100k–$150k	8.1%
$150k–$200k	14.1%
Median income	$72,596

Housing

Home values

Under $50k 32.0%

$50k–$100k 30.3%

$100k–$150k 10.7%

$150k–$200k 7.4%

$200k–$300k 18.0%

$300k–$500k 0.8%

$500k–$1M 0.8%

Housing overview

Metric	Value
Median home value	$58,100
Median rent / month	$375
Owner occupied	81.9%
Renter occupied	18.1%
Vacant	13.4%
Single-family detached	95.3%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	7.0
Avg household size (owned)	2.76

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	9.9%
1990–1999	2.3%
1980–1989	1.2%
1970–1979	5.2%
1960–1969	16.3%
1950–1959	14.0%
1940–1949	8.7%
1939 or earlier	42.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.9%
2 bedrooms	14.5%
3 bedrooms	59.3%
4 bedrooms	19.8%
5+ bedrooms	3.5%

Vehicles per household

Vehicles	% of households
No vehicle	0.7%
1 vehicle	21.5%
2 vehicles	34.9%
3 or more	43.0%

Heating fuel

Fuel type	%
Utility gas	39.6%
Electricity	16.8%
Propane / LP gas	34.2%
Fuel oil	1.3%
Wood	4.0%

Households & families

Household type	Count	%
Married-couple family	96	64.4%
Cohabiting couple	8	5.4%
Male householder, no spouse	44	29.5%
Female householder, no spouse	1	0.7%
Households with children under 18	34	22.8%
Households with seniors (65+)	45	30.2%
Average household size	2.70

Marital status

Status	Male	Female
Never married	35.8%	6.3%
Married	57.8%	88.3%
Separated	1.2%	0.0%
Widowed	2.9%	0.0%
Divorced	2.3%	5.5%

Education

Less than 9th grade 7.3%

Some HS, no diploma 9.3%

HS graduate 20.8%

Some college, no degree 19.7%

Associate's degree 7.3%

Bachelor's degree 32.8%

Graduate / professional 2.7%

Metric	%
HS diploma or higher	83.4%
Bachelor's or higher	35.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	8	8.2%
Kindergarten	0	0.0%
Elementary school	59	60.8%
High school	17	17.5%
College / grad school	13	13.4%

Employment

Industry of employment

Education & healthcare 24.6%

Agriculture & mining 21.6%

Retail trade 14.6%

Transportation & utilities 13.5%

Manufacturing 8.2%

Professional & management 5.8%

Construction 3.5%

Arts, food & hospitality 2.9%

Other services 2.9%

Wholesale trade 1.2%

Finance & real estate 1.2%

Occupation

Category	%
Management, business & arts	37.4%
Service	14.0%
Sales & office	14.6%
Natural resources & construction	2.9%
Production & transportation	31.0%

Employment type

Type	%
Private sector	69.6%
Government	11.7%
Self-employed	18.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	67.8%
Carpool	13.5%
Public transit	0.0%
Walk	1.2%
Other means	0.0%
Avg commute (minutes)	27.9

Poverty

All people 15.1%

Under 18 years 18.3%

18 and over 13.9%

Married-couple families 9.4%

Female-led households 0.0%

Income support

Source	% of households
Social Security	43.6%
Retirement income	15.4%
Supplemental Security	2.7%
Cash public assistance	6.0%
Food stamps / SNAP	19.5%

Health indicators

Condition	%
High blood pressure	35.2%
High cholesterol	32.7%
Heart disease	7.5%
Stroke	3.4%
Asthma	9.6%
Arthritis	26.4%
Kidney disease	3.1%
Pulmonary disease	7.6%
Cancer	7.3%

Behavior / access	%
Binge drinking	20.9%
No physical activity	26.1%
Less than 7 hrs sleep	30.1%
Fair or poor health	14.0%
Poor mental health	13.8%
Poor physical health	10.5%
No health insurance	9.6%
Visited doctor (checkup)	74.8%
Visited dentist	64.9%
Cholesterol screening	88.4%
Teeth loss	14.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	46	16.0%

Disability	%
Any disability	6.7%
Under 18	3.5%
18–64 years	9.3%
65 and over	4.1%

Health insurance coverage

Type	%
Private insurance	72.2%
Public insurance	51.1%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	370	91.8%
Spanish	5	1.4%
Other Indo-European	5	1.4%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	388	96.3%
Born in same state	388	96.3%
Born in different state	310	76.9%
Foreign born	0	0.0%
Naturalized citizen	15	3.7%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	52	12.9%
French	36	8.9%
Polish	11	2.7%

Ancestry	Count	%
Arab	6	1.5%
Dutch	2	0.5%

Technology access

Metric	% of households
Computer access	37.0%
Internet access	84.6%

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

Frequently asked questions

What ZIP codes does Alexander, IA have?

Alexander, IA has one ZIP code: 50420. Each ZIP code serves a distinct delivery area within the city and surrounding region.