Buchanan County, IA ZIP Codes
Iowa (IA) · 11 ZIP codes · 11 cities
11
ZIP codes
20,657
population (2021)
-1.4%
pop change since 2010
19019
FIPS code
Buchanan County ZIP code map
About Buchanan County
Buchanan County is located in Iowa and contains 11 ZIP codes across 11 cities and communities.
The county's population was 20,657 as of 2021,
a decrease of
1.4% from 20,958 in 2010.
The timezone is Mountain Time (observes DST).
The Federal Information Processing System (FIPS) code for Buchanan County is 19019.
| Population | |
|---|---|
| 2021 population | 20,657 |
| 2010 population | 20,958 |
| Change | -1.4% |
| County details | |
|---|---|
| State | Iowa |
| FIPS code | 19019 |
| Timezone | Mountain |
| Daylight saving | Yes |
Cities in Buchanan County
ZIP codes for Buchanan County, IA (11)
| ZIP code | City | County | Map |
|---|---|---|---|
| 50607 | Aurora | Buchanan | View map |
| 50629 | Fairbank | Buchanan | View map |
| 50641 | Hazleton | Buchanan | View map |
| 50644 | Independence | Buchanan | View map |
| 50648 | Jesup | Buchanan | View map |
| 50650 | Lamont | Buchanan | View map |
| 50671 | Stanley | Buchanan | View map |
| 50682 | Winthrop | Buchanan | View map |
| 52210 | Brandon | Buchanan | View map |
| 52326 | Quasqueton | Buchanan | View map |
| 52329 | Rowley | Buchanan | View map |
Demographics & statistics
21,758
Population
40.2
Median age
$77,786
Median household income
$35,412
Per capita income
$154,540
Median home value
$712
Median monthly rent
83.8%
Home ownership
8.7%
Poverty rate
2.9%
Unemployment
7,781
Housing units
19.4%
Bachelor's or higher
Age distribution
Male
Female
697
Under 5
685
628
5–9
617
931
10–14
914
764
15–19
750
554
20–24
544
1,210
25–34
1,189
1,380
35–44
1,356
1,303
45–54
1,280
674
55–59
662
851
60–64
836
1,169
65–74
1,148
601
75–84
591
214
85+
210
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 5,533 | 27.5% |
| 18 and over | 16,225 | 72.6% |
| 65 and over | 3,933 | 17.4% |
| Median age | 40.2 years | |
Race & ethnicity
White
95.5%
Two or more races
2.3%
Hispanic or Latino
1.1%
Black or African American
0.7%
American Indian / Alaska Native
0.2%
Other race
0.1%
Native Hawaiian / Pacific Islander
0.1%
Asian
0.1%
| Group | Count | % |
|---|---|---|
| White | 20,995 | 95.5% |
| Two or more races | 508 | 2.3% |
| Hispanic or Latino | 233 | 1.1% |
| Black or African American | 159 | 0.7% |
| American Indian / Alaska Native | 35 | 0.2% |
| Other race | 28 | 0.1% |
| Native Hawaiian / Pacific Islander | 19 | 0.1% |
| Asian | 14 | 0.1% |
Household income
Under $10k
2.4%
$10k–$15k
2.5%
$15k–$25k
6.1%
$25k–$35k
8.3%
$35k–$50k
14.0%
$50k–$75k
19.6%
$75k–$100k
15.3%
$100k–$150k
20.8%
$150k–$200k
7.0%
$200k+
3.9%
| Range | % of households |
|---|---|
| Under $10k | 2.4% |
| $10k–$15k | 2.5% |
| $15k–$25k | 6.1% |
| $25k–$35k | 8.3% |
| $35k–$50k | 14.0% |
| $50k–$75k | 19.6% |
| $75k–$100k | 15.3% |
| $100k–$150k | 20.8% |
| $150k–$200k | 7.0% |
| $200k+ | 3.9% |
| Median income | $77,786 |
Housing
Home values
Under $50k
9.2%
$50k–$100k
17.3%
$100k–$150k
20.0%
$150k–$200k
18.8%
$200k–$300k
19.5%
$300k–$500k
11.4%
$500k–$1M
3.3%
$1M+
0.4%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $154,540 |
| Median rent / month | $712 |
| Owner occupied | 83.8% |
| Renter occupied | 16.2% |
| Vacant | 10.0% |
| Single-family detached | 86.0% |
| Large apartment buildings | 0.5% |
| Mobile homes | 7.3% |
| Median rooms | 6.4 |
| Avg household size (owned) | 2.70 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.5% |
| 2010–2019 | 5.1% |
| 2000–2009 | 8.6% |
| 1990–1999 | 10.4% |
| 1980–1989 | 7.2% |
| 1970–1979 | 18.5% |
| 1960–1969 | 8.3% |
| 1950–1959 | 6.6% |
| 1940–1949 | 2.9% |
| 1939 or earlier | 32.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.3% |
| 1 bedroom | 3.9% |
| 2 bedrooms | 21.0% |
| 3 bedrooms | 44.5% |
| 4 bedrooms | 19.7% |
| 5+ bedrooms | 9.7% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.1% |
| 1 vehicle | 18.4% |
| 2 vehicles | 35.0% |
| 3 or more | 42.6% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 49.5% |
| Electricity | 19.2% |
| Propane / LP gas | 27.1% |
| Fuel oil | 0.6% |
| Wood | 2.9% |
| Solar | 0.1% |
| No fuel used | 0.3% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 4,806 | 57.5% |
| Cohabiting couple | 576 | 8.0% |
| Male householder, no spouse | 1,516 | 16.7% |
| Female householder, no spouse | 1,538 | 17.9% |
| Households with children under 18 | 2,675 | 33.5% |
| Households with seniors (65+) | 2,619 | 31.6% |
| Average household size | 2.67 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 27.9% | 20.7% |
| Married | 56.4% | 57.7% |
| Separated | 1.0% | 1.1% |
| Widowed | 3.4% | 9.5% |
| Divorced | 11.3% | 11.0% |
Education
Less than 9th grade
2.2%
Some HS, no diploma
4.4%
HS graduate
37.6%
Some college, no degree
21.3%
Associate's degree
15.0%
Bachelor's degree
15.1%
Graduate / professional
4.3%
| Metric | % |
|---|---|
| HS diploma or higher | 93.4% |
| Bachelor's or higher | 19.4% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 338 | 6.4% |
| Kindergarten | 249 | 4.1% |
| Elementary school | 2,610 | 51.1% |
| High school | 1,300 | 25.7% |
| College / grad school | 643 | 12.6% |
Employment
Industry of employment
Education & healthcare
19.9%
Manufacturing
17.9%
Retail trade
11.8%
Construction
9.9%
Transportation & utilities
7.4%
Agriculture & mining
7.3%
Other services
5.4%
Finance & real estate
5.0%
Arts, food & hospitality
4.4%
Professional & management
4.3%
Wholesale trade
3.6%
Public administration
2.4%
Information
0.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 29.1% |
| Service | 14.7% |
| Sales & office | 18.6% |
| Natural resources & construction | 13.6% |
| Production & transportation | 24.1% |
Employment type
| Type | % |
|---|---|
| Private sector | 79.8% |
| Government | 9.9% |
| Self-employed | 10.0% |
| Unpaid family workers | 0.4% |
Commute
| Method | % |
|---|---|
| Drive alone | 81.0% |
| Carpool | 6.5% |
| Public transit | 0.3% |
| Walk | 3.4% |
| Other means | 0.7% |
| Avg commute (minutes) | 23.0 |
Poverty
All people
8.7%
Under 18 years
10.1%
18 and over
7.8%
Married-couple families
2.7%
Female-led households
27.9%
Income support
| Source | % of households |
|---|---|
| Social Security | 37.1% |
| Retirement income | 22.5% |
| Supplemental Security | 4.6% |
| Cash public assistance | 1.8% |
| Food stamps / SNAP | 7.2% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 33.5% |
| High cholesterol | 33.3% |
| Heart disease | 6.5% |
| Stroke | 2.9% |
| Asthma | 9.3% |
| Arthritis | 25.9% |
| Kidney disease | 2.8% |
| Pulmonary disease | 6.8% |
| Cancer | 7.0% |
| Behavior / access | % |
|---|---|
| Binge drinking | 23.2% |
| No physical activity | 24.6% |
| Less than 7 hrs sleep | 31.9% |
| Fair or poor health | 12.4% |
| Poor mental health | 13.4% |
| Poor physical health | 9.5% |
| No health insurance | 9.1% |
| Visited doctor (checkup) | 75.4% |
| Visited dentist | 67.7% |
| Cholesterol screening | 88.5% |
| Teeth loss | 12.7% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,184 | 7.8% |
| Disability | % |
|---|---|
| Any disability | 13.1% |
| Under 18 | 4.7% |
| 18–64 years | 11.2% |
| 65 and over | 33.4% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 70.9% |
| Public insurance | 36.9% |
| Uninsured under 19 | 9.1% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 20,376 | 93.8% |
| Spanish | 285 | 1.6% |
| Other Indo-European | 136 | 0.8% |
| Asian & Pacific Islander | 142 | 0.7% |
| Other languages | 7 | 0.1% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 21,448 | 99.0% |
| Born in same state | 21,425 | 98.7% |
| Born in different state | 18,823 | 87.5% |
| Foreign born | 23 | 0.3% |
| Naturalized citizen | 310 | 1.0% |
| Not a US citizen | 72 | 60.3% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 3,076 | 14.1% |
| French | 2,135 | 9.8% |
| Arab | 1,340 | 6.2% |
| Polish | 1,227 | 5.6% |
| English | 468 | 2.2% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 326 | 1.5% |
| German | 26 | 0.1% |
| Irish | 21 | 0.1% |
| Norwegian | 6 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 37.7% |
| Internet access | 92.5% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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