Delta ZIP Codes — Keokuk County, IA
There is one unique ZIP code in Delta, Iowa and it is 52550. Area code: 641.
1
ZIP codes
38.07
sq mi land
0.06
sq mi water
641
area code
Delta, IA ZIP code map
ZIP codes for Delta, IA (1)
Demographics & statistics
640
Population
39.2
Median age
$52,853
Median household income
$30,300
Per capita income
$109,900
Median home value
$600
Median monthly rent
94.2%
Home ownership
10.6%
Poverty rate
1.9%
Unemployment
309
Housing units
7.8%
Bachelor's or higher
Age distribution
Male
Female
38
Under 5
24
33
5–9
21
15
10–14
9
17
15–19
11
13
20–24
8
37
25–34
24
57
35–44
37
32
45–54
21
32
55–59
20
51
60–64
32
35
65–74
23
13
75–84
8
18
85+
11
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 155 | 24.2% |
| 18 and over | 485 | 75.8% |
| 65 and over | 108 | 16.9% |
| Median age | 39.2 years | |
Race & ethnicity
White
91.7%
Hispanic or Latino
3.3%
Other race
3.2%
Black or African American
0.8%
Two or more races
0.6%
American Indian / Alaska Native
0.5%
| Group | Count | % |
|---|---|---|
| White | 607 | 91.7% |
| Hispanic or Latino | 22 | 3.3% |
| Other race | 21 | 3.2% |
| Black or African American | 5 | 0.8% |
| Two or more races | 4 | 0.6% |
| American Indian / Alaska Native | 3 | 0.5% |
Household income
Under $10k
10.9%
$10k–$15k
1.4%
$15k–$25k
14.7%
$25k–$35k
7.5%
$35k–$50k
11.6%
$50k–$75k
25.3%
$75k–$100k
7.5%
$100k–$150k
12.3%
$150k–$200k
6.1%
$200k+
2.7%
| Range | % of households |
|---|---|
| Under $10k | 10.9% |
| $10k–$15k | 1.4% |
| $15k–$25k | 14.7% |
| $25k–$35k | 7.5% |
| $35k–$50k | 11.6% |
| $50k–$75k | 25.3% |
| $75k–$100k | 7.5% |
| $100k–$150k | 12.3% |
| $150k–$200k | 6.1% |
| $200k+ | 2.7% |
| Median income | $52,853 |
Housing
Home values
Under $50k
25.0%
$50k–$100k
15.9%
$100k–$150k
31.9%
$150k–$200k
18.1%
$200k–$300k
3.6%
$1M+
5.4%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $109,900 |
| Median rent / month | $600 |
| Owner occupied | 94.2% |
| Renter occupied | 5.8% |
| Vacant | 10.1% |
| Single-family detached | 93.6% |
| Large apartment buildings | 0.9% |
| Mobile homes | 2.5% |
| Median rooms | 5.9 |
| Avg household size (owned) | 2.12 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 7.1% |
| 2000–2009 | 4.6% |
| 1990–1999 | 3.4% |
| 1980–1989 | 7.4% |
| 1970–1979 | 18.7% |
| 1960–1969 | 3.7% |
| 1950–1959 | 1.8% |
| 1940–1949 | 1.5% |
| 1939 or earlier | 51.8% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.6% |
| 1 bedroom | 4.0% |
| 2 bedrooms | 53.4% |
| 3 bedrooms | 31.9% |
| 4 bedrooms | 9.5% |
| 5+ bedrooms | 0.6% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 2.4% |
| 1 vehicle | 19.1% |
| 2 vehicles | 53.6% |
| 3 or more | 24.9% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 7.2% |
| Electricity | 19.5% |
| Propane / LP gas | 49.8% |
| Fuel oil | 0.7% |
| Wood | 17.1% |
| No fuel used | 0.3% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 102 | 34.8% |
| Cohabiting couple | 1 | 0.3% |
| Male householder, no spouse | 148 | 50.5% |
| Female householder, no spouse | 42 | 14.3% |
| Households with children under 18 | 43 | 14.7% |
| Households with seniors (65+) | 91 | 31.1% |
| Average household size | 2.18 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 29.8% | 11.6% |
| Married | 38.6% | 65.7% |
| Separated | 0.0% | 3.3% |
| Widowed | 3.8% | 10.5% |
| Divorced | 27.9% | 8.8% |
Education
Less than 9th grade
1.8%
Some HS, no diploma
2.9%
HS graduate
52.3%
Some college, no degree
17.5%
Associate's degree
17.7%
Bachelor's degree
5.1%
Graduate / professional
2.7%
| Metric | % |
|---|---|
| HS diploma or higher | 95.3% |
| Bachelor's or higher | 7.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 5 | 3.7% |
| Kindergarten | 29 | 21.5% |
| Elementary school | 66 | 48.9% |
| High school | 21 | 15.6% |
| College / grad school | 14 | 10.4% |
Employment
Industry of employment
Manufacturing
26.5%
Agriculture & mining
25.8%
Wholesale trade
7.9%
Finance & real estate
7.3%
Professional & management
7.3%
Education & healthcare
7.3%
Retail trade
4.0%
Arts, food & hospitality
3.6%
Public administration
3.6%
Transportation & utilities
3.3%
Construction
3.0%
Other services
0.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 38.7% |
| Service | 8.6% |
| Sales & office | 15.9% |
| Natural resources & construction | 8.9% |
| Production & transportation | 27.8% |
Employment type
| Type | % |
|---|---|
| Private sector | 69.9% |
| Government | 10.6% |
| Self-employed | 19.5% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 82.0% |
| Carpool | 5.8% |
| Public transit | 0.0% |
| Walk | 6.8% |
| Other means | 0.7% |
| Avg commute (minutes) | 25.7 |
Poverty
All people
10.6%
Under 18 years
5.8%
18 and over
12.2%
Married-couple families
2.9%
Female-led households
40.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 34.1% |
| Retirement income | 23.2% |
| Supplemental Security | 4.1% |
| Cash public assistance | 3.1% |
| Food stamps / SNAP | 10.9% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 37.0% |
| High cholesterol | 34.7% |
| Heart disease | 7.8% |
| Stroke | 3.5% |
| Asthma | 9.4% |
| Arthritis | 27.6% |
| Kidney disease | 3.2% |
| Pulmonary disease | 7.8% |
| Cancer | 7.8% |
| Behavior / access | % |
|---|---|
| Binge drinking | 21.1% |
| No physical activity | 26.9% |
| Less than 7 hrs sleep | 31.5% |
| Fair or poor health | 14.0% |
| Poor mental health | 13.3% |
| Poor physical health | 10.4% |
| No health insurance | 9.6% |
| Visited doctor (checkup) | 75.9% |
| Visited dentist | 65.2% |
| Cholesterol screening | 88.6% |
| Teeth loss | 14.2% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 59 | 12.2% |
| Disability | % |
|---|---|
| Any disability | 20.6% |
| Under 18 | 8.4% |
| 18–64 years | 16.7% |
| 65 and over | 51.9% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 75.5% |
| Public insurance | 39.7% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 578 | 90.3% |
| Spanish | 5 | 0.9% |
| Other Indo-European | 5 | 0.9% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 621 | 97.0% |
| Born in same state | 621 | 97.0% |
| Born in different state | 528 | 82.5% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 19 | 3.0% |
| Not a US citizen | 19 | 100.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 81 | 12.7% |
| Arab | 44 | 6.9% |
| French | 40 | 6.3% |
| Ancestry | Count | % |
|---|---|---|
| English | 25 | 3.9% |
| Polish | 12 | 1.9% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 45.8% |
| Internet access | 86.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.