52218 ZIP Code — Coggon, IA
Linn County, Iowa
ZIP code 52218 is located in Coggon, Iowa, within Linn County. It covers approximately 75.59 square miles and serves a population of 1,709 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 319.
About ZIP code 52218
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 $170,700. Owner-occupancy is high at 95%, well above the national average.
Median household income is $91,645. The poverty rate of 2% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 35 minutes is near the national average.
Educational attainment is near the national average, with 24% of residents holding a bachelor's degree or higher.
1,709
population
75.59
sq mi land
Standard
ZIP type
Central (CT)
timezone
52218 ZIP code map
Cities in ZIP code 52218
Below are the cities the US Postal Service accepts for ZIP code 52218. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Coggon | Preferred |
Nearby ZIP codes
52330 Ryan (6.1 mi)
52214 Central City (8.1 mi)
52202 Alburnett (10.3 mi)
52352 Walker (10.5 mi)
50654 Masonville (10.8 mi)
52326 Quasqueton (11.8 mi)
50682 Winthrop (11.9 mi)
52213 Center Point (13.3 mi)
52223 Delhi (14.4 mi)
52057 Manchester (14.5 mi)
52329 Rowley (15.5 mi)
52237 Hopkinton (15.7 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 1,709 |
| Population density | 23 / sq mi |
| State FIPS | 19 |
| County FIPS | 113 |
| Geography | |
|---|---|
| Land area | 75.59 sq mi |
| Water area | 0.44 sq mi |
| Latitude | 42.3012 |
| Longitude | -91.5613 |
| Timezone | Central (CT) |
| Area code | 319 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 33.5% | 36.3% | 40.1% |
| $50k – $100k | 39.9% | 33.7% | 33.4% |
| $100k – $200k | 20.8% | 23.6% | 21.5% |
| Over $200k | 5.8% | 6.4% | 5.0% |
Demographics & statistics
1,709
Population
23
People per sq mi
37.4
Median age
$91,645
Median household income
$40,582
Per capita income
$170,700
Median home value
$625
Median monthly rent
94.6%
Home ownership
2.1%
Poverty rate
0.6%
Unemployment
717
Housing units
23.5%
Bachelor's or higher
Age distribution
Male
Female
57
Under 5
47
99
5–9
82
78
10–14
65
45
15–19
37
29
20–24
25
123
25–34
103
120
35–44
100
110
45–54
91
54
55–59
45
63
60–64
52
95
65–74
79
39
75–84
32
21
85+
18
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 486 | 28.4% |
| 18 and over | 1,223 | 71.6% |
| 65 and over | 284 | 16.6% |
| Median age | 37.4 years | |
Race & ethnicity
White
99.4%
Black or African American
0.5%
Asian
0.1%
| Group | Count | % |
|---|---|---|
| White | 1,699 | 99.4% |
| Black or African American | 9 | 0.5% |
| Asian | 1 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 33.5% | 36.3% | 40.1% |
| $50k – $100k | 39.9% | 33.7% | 33.4% |
| $100k – $200k | 20.8% | 23.6% | 21.5% |
| Over $200k | 5.8% | 6.4% | 5.0% |
Under $10k
2.0%
$10k–$15k
0.6%
$15k–$25k
5.2%
$25k–$35k
10.4%
$35k–$50k
6.6%
$50k–$75k
16.5%
$75k–$100k
18.4%
$100k–$150k
22.4%
$150k–$200k
7.4%
$200k+
10.6%
| Range | % of households |
|---|---|
| Under $10k | 2.0% |
| $10k–$15k | 0.6% |
| $15k–$25k | 5.2% |
| $25k–$35k | 10.4% |
| $35k–$50k | 6.6% |
| $50k–$75k | 16.5% |
| $75k–$100k | 18.4% |
| $100k–$150k | 22.4% |
| $150k–$200k | 7.4% |
| $200k+ | 10.6% |
| Median income | $91,645 |
Housing
Home values
Under $50k
1.5%
$50k–$100k
13.4%
$100k–$150k
25.1%
$150k–$200k
23.9%
$200k–$300k
20.4%
$300k–$500k
7.3%
$500k–$1M
7.3%
$1M+
1.1%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $170,700 |
| Median rent / month | $625 |
| Owner occupied | 94.6% |
| Renter occupied | 5.4% |
| Vacant | 13.2% |
| Single-family detached | 96.8% |
| Large apartment buildings | 0.0% |
| Mobile homes | 0.0% |
| Median rooms | 6.2 |
| Avg household size (owned) | 2.61 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 3.3% |
| 2000–2009 | 4.7% |
| 1990–1999 | 4.9% |
| 1980–1989 | 7.4% |
| 1970–1979 | 12.1% |
| 1960–1969 | 12.1% |
| 1950–1959 | 15.0% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 40.4% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 4.9% |
| 2 bedrooms | 27.9% |
| 3 bedrooms | 31.3% |
| 4 bedrooms | 29.5% |
| 5+ bedrooms | 6.4% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.6% |
| 1 vehicle | 18.8% |
| 2 vehicles | 32.3% |
| 3 or more | 48.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 41.5% |
| Electricity | 14.7% |
| Propane / LP gas | 37.7% |
| Fuel oil | 3.8% |
| Wood | 0.6% |
| No fuel used | 1.7% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 398 | 60.9% |
| Cohabiting couple | 75 | 11.5% |
| Male householder, no spouse | 127 | 19.4% |
| Female householder, no spouse | 53 | 8.1% |
| Households with children under 18 | 243 | 37.2% |
| Households with seniors (65+) | 176 | 27.0% |
| Average household size | 2.62 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 26.5% | 11.5% |
| Married | 57.7% | 67.2% |
| Separated | 4.8% | 0.0% |
| Widowed | 2.4% | 5.0% |
| Divorced | 8.5% | 16.3% |
Education
Less than 9th grade
0.2%
Some HS, no diploma
6.6%
HS graduate
34.8%
Some college, no degree
16.6%
Associate's degree
18.3%
Bachelor's degree
20.4%
Graduate / professional
3.1%
| Metric | % |
|---|---|
| HS diploma or higher | 93.2% |
| Bachelor's or higher | 23.5% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 45 | 9.9% |
| Kindergarten | 46 | 10.1% |
| Elementary school | 250 | 54.9% |
| High school | 67 | 14.7% |
| College / grad school | 47 | 10.3% |
Employment
Industry of employment
Education & healthcare
19.7%
Manufacturing
11.9%
Transportation & utilities
11.6%
Agriculture & mining
11.1%
Construction
9.3%
Finance & real estate
8.7%
Professional & management
7.6%
Other services
5.9%
Retail trade
4.7%
Public administration
4.3%
Wholesale trade
2.7%
Information
1.3%
Arts, food & hospitality
1.2%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 38.4% |
| Service | 8.9% |
| Sales & office | 13.7% |
| Natural resources & construction | 17.9% |
| Production & transportation | 21.1% |
Employment type
| Type | % |
|---|---|
| Private sector | 71.4% |
| Government | 20.9% |
| Self-employed | 7.7% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 79.8% |
| Carpool | 8.6% |
| Public transit | 0.0% |
| Walk | 1.4% |
| Work from home | 8.8% |
| Other means | 1.3% |
| Avg commute (minutes) | 34.8 |
Poverty
All people
2.1%
Under 18 years
0.0%
18 and over
2.9%
Married-couple families
0.5%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 25.6% |
| Retirement income | 15.6% |
| Supplemental Security | 0.0% |
| Cash public assistance | 1.1% |
| Food stamps / SNAP | 4.4% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 37.2% |
| High blood pressure | 33.8% |
| High cholesterol | 33.6% |
| Diabetes | 9.7% |
| Heart disease | 6.5% |
| Stroke | 2.9% |
| Asthma | 9.2% |
| Arthritis | 25.5% |
| Kidney disease | 2.8% |
| Pulmonary disease | 6.4% |
| Cancer | 7.4% |
| Behavior / access | % |
|---|---|
| Smoking | 16.0% |
| Binge drinking | 21.5% |
| No physical activity | 21.4% |
| Less than 7 hrs sleep | 30.3% |
| Depression | 18.1% |
| Fair or poor health | 11.8% |
| Poor mental health | 12.9% |
| Poor physical health | 9.0% |
| No health insurance | 8.4% |
| Visited doctor (checkup) | 77.4% |
| Visited dentist | 70.0% |
| Cholesterol screening | 89.6% |
| Teeth loss | 11.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 107 | 8.7% |
| Disability | % |
|---|---|
| Any disability | 11.1% |
| Under 18 | 4.5% |
| 18–64 years | 7.2% |
| 65 and over | 35.2% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 81.6% |
| Public insurance | 32.0% |
| No insurance | 2.2% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 1,605 | 93.9% |
| Spanish | 1 | 0.1% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 1 | 0.1% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 1,707 | 99.9% |
| Born in same state | 1,706 | 99.8% |
| Born in different state | 1,477 | 86.4% |
| Foreign born | 1 | 0.1% |
| Naturalized citizen | 2 | 0.1% |
| Not a US citizen | 1 | 50.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 340 | 19.9% |
| French | 107 | 6.3% |
| Arab | 50 | 2.9% |
| Ancestry | Count | % |
|---|---|---|
| English | 48 | 2.8% |
| Polish | 43 | 2.5% |
| Dutch | 4 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 38.2% |
| Internet access | 94.9% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 52218
What city is ZIP code 52218 in?
ZIP code 52218 is primarily assigned to Coggon, Iowa.
What county is ZIP code 52218 in?
ZIP code 52218 falls within Linn County, Iowa.
Is ZIP code 52218 mostly owner-occupied?
95% of occupied units in ZIP code 52218 are owner-occupied, well above the national average.
What is the typical home value in ZIP code 52218?
The median home value in ZIP code 52218 is $170,700.
What is the population of ZIP code 52218?
ZIP code 52218 has an estimated population of 1,709 residents, with a density of 23 people per square mile.
What is the median household income in ZIP code 52218?
The median household income in ZIP code 52218 is $91,645, above the national median of ~$75,000.
What timezone is ZIP code 52218 in?
ZIP code 52218 observes the CST timezone.