Fredericksburg ZIP Codes — Chickasaw County, IA

There is one unique ZIP code in Fredericksburg, Iowa and it is 50630. Area code: 319/563.
1
ZIP codes
83.97
sq mi land
0.12
sq mi water
319/563
area code
Fredericksburg, IA ZIP code map

About Fredericksburg, IA

Fredericksburg, Iowa is a small, close-knit community located in Chickasaw County in the northeastern part of the state. Served by a single ZIP code, 50630, the city offers residents a quiet rural lifestyle rooted in Midwestern traditions and agricultural heritage. Fredericksburg is part of the greater northeast Iowa region, a landscape defined by rolling hills, fertile farmland, and a strong sense of community pride.

Location & geography

Fredericksburg sits in Chickasaw County in northeastern Iowa, positioned roughly between the larger regional centers of Waterloo to the southwest and Decorah to the north. The city lies near the Volga River corridor, and the surrounding terrain features the gently rolling hills and rich agricultural plains characteristic of the Driftless-adjacent region of Iowa. The community encompasses 83.97 square miles of land area and just 0.12 square miles of water area, reflecting its predominantly rural, farmland character.

Community & economy

Fredericksburg has the welcoming atmosphere of a small Iowa farming town, where neighbors know each other and local events draw the whole community together. Agriculture remains the backbone of the local economy, with grain farming, livestock operations, and related agribusiness providing livelihoods for many residents. Daily life in Fredericksburg revolves around local schools, churches, small businesses along its main streets, and seasonal activities tied to the rhythms of rural northeastern Iowa.

Transportation

Fredericksburg is accessible via Iowa Highway 18, a key east-west corridor through northern Iowa that connects the town to surrounding communities and regional markets. The nearest commercial airport with scheduled passenger service is the Waterloo Regional Airport, located approximately 40 miles to the southwest, providing residents with connections to major national hubs. Most residents rely on personal vehicles for daily transportation, as public transit options are limited in this rural northeastern Iowa setting.

History

Fredericksburg was established in the mid-to-late 19th century as settlers moved into the fertile lands of Chickasaw County, attracted by the promise of productive farmland and opportunities for community building in northeastern Iowa. Like many small Iowa towns, its early growth was closely tied to agriculture and the arrival of rail infrastructure that helped move grain and livestock to wider markets. The town has retained its small-town character through the decades, serving as a stable and enduring community anchor in Chickasaw County.

Did you know?

Despite its modest size, Fredericksburg sits within one of Iowa's most scenic corners, where the transition toward the Driftless Area creates unusually varied terrain compared to much of the flat Iowa landscape. The community's tight geographic footprint and single ZIP code, 50630, make it one of the more straightforwardly navigated small towns in Chickasaw County.

ZIP codes for Fredericksburg, IA (1)
ZIP code City County Map
50630 Fredericksburg Chickasaw View map

Demographics & statistics

1,568
Population
41.3
Median age
$71,500
Median household income
$35,708
Per capita income
$193,200
Median home value
$743
Median monthly rent
76.3%
Home ownership
8.4%
Poverty rate
0.7%
Unemployment
541
Housing units
22.4%
Bachelor's or higher

Age distribution

Male Female
67
Under 5
63
43
5–9
41
44
10–14
42
53
15–19
50
63
20–24
59
78
25–34
74
104
35–44
98
63
45–54
60
33
55–59
32
51
60–64
49
82
65–74
78
94
75–84
90
29
85+
28
← Male
Female →

Age summary

GroupCount%
Under 1836823.5%
18 and over1,20076.5%
65 and over40125.6%
Median age41.3 years

Race & ethnicity

White 89.4%
Two or more races 6.3%
Hispanic or Latino 2.8%
American Indian / Alaska Native 1.4%
Asian 0.1%
GroupCount%
White1,44289.4%
Two or more races1026.3%
Hispanic or Latino452.8%
American Indian / Alaska Native221.4%
Asian20.1%

Household income

Under $10k 2.6%
$10k–$15k 1.2%
$15k–$25k 12.3%
$25k–$35k 7.9%
$35k–$50k 10.6%
$50k–$75k 19.3%
$75k–$100k 10.4%
$100k–$150k 19.9%
$150k–$200k 12.8%
$200k+ 2.8%
Range% of households
Under $10k2.6%
$10k–$15k1.2%
$15k–$25k12.3%
$25k–$35k7.9%
$35k–$50k10.6%
$50k–$75k19.3%
$75k–$100k10.4%
$100k–$150k19.9%
$150k–$200k12.8%
$200k+2.8%
Median income$71,500

Housing

Home values

Under $50k 4.5%
$50k–$100k 18.0%
$100k–$150k 18.4%
$150k–$200k 9.8%
$200k–$300k 42.9%
$300k–$500k 4.7%
$500k–$1M 0.8%
$1M+ 1.0%

Housing overview

MetricValue
Median home value$193,200
Median rent / month$743
Owner occupied76.3%
Renter occupied23.7%
Vacant7.4%
Single-family detached91.5%
Large apartment buildings1.6%
Mobile homes3.0%
Median rooms6.3
Avg household size (owned)2.25

Year built

Era%
2020 or later0.0%
2010–20192.6%
2000–200915.4%
1990–19999.4%
1980–19894.2%
1970–197922.7%
1960–196910.4%
1950–19598.2%
1940–19494.0%
1939 or earlier23.1%

Bedrooms

Size% of units
No bedroom (studio)0.9%
1 bedroom2.0%
2 bedrooms29.7%
3 bedrooms38.5%
4 bedrooms21.9%
5+ bedrooms6.9%

Vehicles per household

Vehicles% of households
No vehicle1.7%
1 vehicle23.4%
2 vehicles27.1%
3 or more47.8%

Heating fuel

Fuel type%
Utility gas50.9%
Electricity24.8%
Propane / LP gas23.2%
Fuel oil1.1%

Households & families

Household typeCount%
Married-couple family34053.0%
Cohabiting couple355.5%
Male householder, no spouse9214.3%
Female householder, no spouse17527.3%
Households with children under 1818929.4%
Households with seniors (65+)27042.1%
Average household size2.40

Marital status

StatusMaleFemale
Never married36.0%17.9%
Married57.9%52.6%
Separated0.0%0.3%
Widowed1.9%18.8%
Divorced4.2%10.4%

Education

Less than 9th grade 2.3%
Some HS, no diploma 4.6%
HS graduate 41.3%
Some college, no degree 16.9%
Associate's degree 12.5%
Bachelor's degree 18.0%
Graduate / professional 4.4%
Metric%
HS diploma or higher93.1%
Bachelor's or higher22.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool3612.0%
Kindergarten124.0%
Elementary school15150.2%
High school7926.2%
College / grad school237.6%

Employment

Industry of employment

Manufacturing 29.9%
Education & healthcare 19.7%
Retail trade 8.2%
Agriculture & mining 7.2%
Public administration 6.9%
Other services 5.6%
Finance & real estate 4.6%
Construction 4.3%
Arts, food & hospitality 4.0%
Wholesale trade 3.9%
Professional & management 3.4%
Transportation & utilities 2.4%

Occupation

Category%
Management, business & arts31.6%
Service12.0%
Sales & office14.7%
Natural resources & construction8.6%
Production & transportation33.0%

Employment type

Type%
Private sector72.1%
Government14.3%
Self-employed13.6%
Unpaid family workers0.0%

Commute

Method%
Drive alone77.0%
Carpool5.6%
Public transit0.0%
Walk5.3%
Other means0.0%
Avg commute (minutes)21.4

Poverty

All people 8.4%
Under 18 years 8.1%
18 and over 8.5%
Married-couple families 4.4%
Female-led households 17.0%

Income support

Source% of households
Social Security45.2%
Retirement income26.3%
Supplemental Security2.5%
Cash public assistance1.1%
Food stamps / SNAP4.8%

Health indicators

Condition%
High blood pressure35.1%
High cholesterol35.4%
Heart disease7.1%
Stroke3.1%
Asthma8.7%
Arthritis26.0%
Kidney disease2.9%
Pulmonary disease6.6%
Cancer7.8%
Behavior / access%
Binge drinking22.1%
No physical activity22.8%
Less than 7 hrs sleep30.2%
Fair or poor health11.9%
Poor mental health12.3%
Poor physical health9.2%
No health insurance9.2%
Visited doctor (checkup)73.6%
Visited dentist69.4%
Cholesterol screening90.0%
Teeth loss12.0%

Veterans & disability

VeteransCount%
Civilian veterans877.3%
Disability%
Any disability17.5%
Under 183.3%
18–64 years12.1%
65 and over43.3%

Health insurance coverage

Type%
Private insurance73.2%
Public insurance44.3%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,43891.7%
Spanish151.0%
Other Indo-European151.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,55499.1%
Born in same state1,54498.5%
Born in different state1,36086.7%
Foreign born100.6%
Naturalized citizen140.9%
Not a US citizen214.3%

Ancestry

AncestryCount%
Italian22414.3%
Polish1338.5%
French382.4%
Arab241.5%
AncestryCount%
English191.2%
German130.8%
Dutch130.8%

Technology access

Metric% of households
Computer access40.9%
Internet access86.8%

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

Frequently asked questions
What ZIP codes does Fredericksburg, IA have?
Fredericksburg, IA has one ZIP code: 50630. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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