Zip code 50440: Grafton, Iowa
Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.
About 50440
50440 is a rural zip code in Grafton, Iowa (Worth County), covering 29 sq mi of land. About 361 people live here, or 12 per square mile. The median resident is 56.2 years old, compared with 38.9 nationally. With so few residents, the Census figures below are rough estimates with wide margins of error.
The median household earns $76,429 a year, close to the national median of $80,734. 7.5% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $122,500, or 1.6 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 75% of occupied homes are lived in by their owners, and renters pay a median of $638 a month.
16% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 21 minutes each way, and 18% of workers work from home. The most common jobs among working residents are in construction and repair; management; and office and administrative support. 32% of them are self-employed (U.S.: 10%).
How 50440 compares
Only about 361 people live here, so these survey estimates have wide margins of error.
- 99thU.S. 10% · IA 10.2%30th of 911 in IA
- Median age56.298thU.S. 38.9 · IA 38.667th of 911 in IA
- 93rdU.S. 17.2% · IA 18.1%207th of 911 in IA
- Housing vacancy10.6%74thU.S. 10.1% · IA 8.5%358th of 909 in IA
- Work from home17.9%71stU.S. 15.1% · IA 11.3%104th of 911 in IA
- Homeownership rate74.7%66thU.S. 65.2% · IA 71.7%690th of 909 in IA
- Government workers15.9%65thU.S. 14.5% · IA 14.5%290th of 911 in IA
- Median household income$76,42946thU.S. $80,734 · IA $75,059393rd of 896 in IA
- Veterans5.4%44thU.S. 6.2% · IA 6.5%654th of 911 in IA
- Per capita income$37,74543rdU.S. $44,673 · IA $40,877486th of 911 in IA
- Median earnings per worker$45,65242ndU.S. $49,666 · IA $47,712547th of 910 in IA
- 36thU.S. 5.2% · IA 3.6%216th of 911 in IA
- Uninsured rate4.7%29thU.S. 8.4% · IA 5%352nd of 911 in IA
- Poverty rate7.5%28thU.S. 12.5% · IA 11.1%525th of 909 in IA
- Residents under 1818.6%22ndU.S. 22% · IA 22.9%712th of 911 in IA
- 18thStrengthU.S. 0.483 · IA 0.444462nd of 908 in IA
- Average commute21 min17thStrengthU.S. 26.4 min · IA 19.8 min576th of 902 in IA
- 13thU.S. 9.7% · IA 9.2%621st of 911 in IA
- 12thWeaknessU.S. 35.7% · IA 31.4%666th of 911 in IA
- Median home value$122,5005thU.S. $332,700 · IA $208,000652nd of 881 in IA
- Broadband access76.9%3rdWeaknessU.S. 91% · IA 88.9%844th of 909 in IA
- 3rdU.S. 14.1% · IA 5.9%555th of 911 in IA
- 2ndU.S. $1,413 · IA $972660th of 771 in IA
- 2ndU.S. 61.4 · IA 31.4703rd of 911 in IA
- Population3611stU.S. 334,922,499 · IA 3,210,507764th of 911 in IA
- Population density12/sq mi1stU.S. 95/sq mi · IA 58/sq mi694th of 911 in IA
- 1stStrengthU.S. 51.1% · IA 43.9%881st of 882 in IA
- 1stU.S. 3.8% · IA 2.9%905th of 911 in IA
| Measure | 50440 | Worth | IA | U.S. | National percentile | Rank in IA |
|---|---|---|---|---|---|---|
| Self-employed workers | 31.7% | 17% | 10.2% | 10% | 30th of 911 | |
| Median age | 56.2 | 44.1 | 38.6 | 38.9 | 67th of 911 | |
| Residents 65 and older | 25.5% | 22.9% | 18.1% | 17.2% | 207th of 911 | |
| Housing vacancy | 10.6% | 8.5% | 8.5% | 10.1% | 358th of 909 | |
| Work from home | 17.9% | 11.3% | 11.3% | 15.1% | 104th of 911 | |
| Homeownership rate | 74.7% | 83.2% | 71.7% | 65.2% | 690th of 909 | |
| Government workers | 15.9% | 12.3% | 14.5% | 14.5% | 290th of 911 | |
| Median household income | $76,429 | $78,008 | $75,059 | $80,734 | 393rd of 896 | |
| Veterans | 5.4% | 9.1% | 6.5% | 6.2% | 654th of 911 | |
| Per capita income | $37,745 | $39,261 | $40,877 | $44,673 | 486th of 911 | |
| Median earnings per worker | $45,652 | $46,662 | $47,712 | $49,666 | 547th of 910 | |
| Unemployment rate | 4.1% | 3.5% | 3.6% | 5.2% | 216th of 911 | |
| Uninsured rate | 4.7% | 7% | 5% | 8.4% | 352nd of 911 | |
| Poverty rate | 7.5% | 8.2% | 11.1% | 12.5% | 525th of 909 | |
| Residents under 18 | 18.6% | 20.7% | 22.9% | 22% | 712th of 911 | |
| Income inequality (Gini)Strength | 0.396 | 0.398 | 0.444 | 0.483 | 462nd of 908 | |
| Average commuteStrength | 21 min | 21.4 min | 19.8 min | 26.4 min | 576th of 902 | |
| Healthcare workers | 6.7% | 8.6% | 9.2% | 9.7% | 621st of 911 | |
| Bachelor's degree or higherWeakness | 16.3% | 19.1% | 31.4% | 35.7% | 666th of 911 | |
| Median home value | $122,500 | $145,800 | $208,000 | $332,700 | 652nd of 881 | |
| Broadband accessWeakness | 76.9% | 85% | 88.9% | 91% | 844th of 909 | |
| Foreign-born residents | 0.6% | 0.9% | 5.9% | 14.1% | 555th of 911 | |
| Median gross rent | $638 | $758 | $972 | $1,413 | 660th of 771 | |
| Diversity index | 7 | 12.8 | 31.4 | 61.4 | 703rd of 911 | |
| Population | 361 | 7,350 | 3,210,507 | 334,922,499 | 764th of 911 | |
| Population density | 12/sq mi | 18/sq mi | 58/sq mi | 95/sq mi | 694th of 911 | |
| Rent-burdened rentersStrength | 0% | 21.4% | 43.9% | 51.1% | 881st of 882 | |
| Tech workers | 0% | 0.8% | 2.9% | 3.8% | 905th of 911 |
The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.
People
Age
Race and ethnicity
- White96%
- Black1%
- Hispanic2%
- Asian0%
- Native American0%
- Pacific Islander0%
- Other0%
- Multiracial0%
Language spoken at home (households)
Households
- Households
- 186
- Average household size
- 1.9
- Family households
- 55.9%
- Married couples
- 49.5%
- Living alone
- 37.6%
- Veterans (of adults)
- 5.4%
- Male / female
- 56% / 44%
Income and poverty
Household income distribution
Median household income
Housing
Median home value
Median gross rent
Types of housing
- Housing units
- 208
- Owner-occupied
- 74.7%
- Vacant
- 10.6%
- Median year built
- 1947
- Median rooms
- 6.6
- Renters paying 30%+ of income
- 0%
- Renters paying 50%+ of income
- 0%
- Home value to income
- 1.6× (U.S. 4.1×)
Work and commute
How people get to work
Commute time (one way)
Jobs and careers
Occupations
Industries
Median earnings by type of work
| Type of work | 50440 | U.S. |
|---|---|---|
| Management, business, science and arts | $38,333 | $74,888 |
| Service | $43,021 | $26,804 |
| Sales and office | $43,750 | $40,476 |
| Construction and maintenance | $50,625 | $49,199 |
| Production and transportation | $60,625 | $39,989 |
Education, internet and health coverage
Highest education (adults 25+)
- High school graduate or higher
- 90.6%
- Bachelor's degree or higher
- 16.3%
- Graduate or professional degree
- 3.6%
- Households with broadband
- 76.9%
- Cable, fiber or DSL
- 52.2%
- No internet access
- 23.1%
- Without health insurance
- 4.7%
- Limited-English households
- 0%
Geography
- City (USPS)
- Grafton
- State
- Iowa
- County
- Worth County
- Center point
- 43.3324° N, 93.0690° W
- Land area
- 29 sq mi
- Water area
- under 0.1 sq mi
- Time zone
- Central Time (UTC-6, UTC-5 in summer)
- Zip type
- Residential delivery area
Cities and towns within this zip
- Grafton1% of zip
Census places overlapping the zip's area. Mail may use a different city name than the municipality.
Zip codes near 50440
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 50464 | Plymouth, IA | 5.6 mi | $91,750 |
| 50426 | Carpenter, IA | 6.3 mi | $74,107 |
| 50456 | Manly, IA | 7.9 mi | $81,339 |
| 50467 | Rock Falls, IA | 8.5 mi | $63,750 |
| 50472 | Saint Ansgar, IA | 8.5 mi | $93,482 |
| 50448 | Kensett, IA | 8.7 mi | $62,059 |
| 50458 | Nora Springs, IA | 12 mi | $99,643 |
| 50459 | Northwood, IA | 13 mi | $71,618 |
| 50461 | Osage, IA | 13 mi | $68,886 |
| 50401 | Mason City, IA | 14 mi | $66,072 |
| 50402 | Mason City, IA · PO box | 14 mi | — |
| 50481 | Toeterville, IA · PO box | 14 mi | — |
Questions about 50440
What city is zip code 50440?
50440 is assigned to Grafton, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 50440 in?
50440 is in Worth County, Iowa.
What is the population of 50440?
About 361 people live in 50440, according to the Census Bureau's American Community Survey.
What time zone is 50440 in?
50440 is in Central Time.
What is the median household income in 50440?
The median household income in 50440 is $76,429.
What zip codes are near 50440?
The closest zip codes to 50440 are 50464, 50426, 50456, 50467, 50472.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 50440, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.