Zip code 03823: Madbury, New Hampshire
Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.
About 03823
03823 is a small-town zip code in Madbury, New Hampshire (Strafford County), covering 12 sq mi of land. About 2,203 people live here, or 189 per square mile. The median resident is 37.7 years old, compared with 38.9 nationally.
The median household earns $148,365 a year, 84% above the national median of $80,734. 4.9% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $476,900, or 3.2 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 83% of occupied homes are lived in by their owners, and renters pay a median of $1,574 a month.
53% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 25.4 minutes each way, and 14% of workers work from home. The most common jobs among working residents are in management; office and administrative support; and healthcare.
How 03823 compares
- Broadband access97.4%95thStrengthU.S. 91% · NH 92.9%39th of 239 in NH
- Median household income$148,36594thStrengthU.S. $80,734 · NH $99,03123rd of 234 in NH
- 93rdU.S. 22% · NH 18.2%7th of 239 in NH
- Homeownership rate82.9%85thStrengthU.S. 65.2% · NH 72.8%139th of 239 in NH
- Median earnings per worker$65,16383rdStrengthU.S. $49,666 · NH $56,07955th of 239 in NH
- Per capita income$57,42382ndStrengthU.S. $44,673 · NH $52,79877th of 239 in NH
- 82ndStrengthU.S. 35.7% · NH 40.6%46th of 239 in NH
- Median home value$476,90073rdU.S. $332,700 · NH $402,50051st of 235 in NH
- Tech workers3.9%67thU.S. 3.8% · NH 4.3%72nd of 239 in NH
- Median gross rent$1,57460thU.S. $1,413 · NH $1,49164th of 197 in NH
- 56thU.S. 15.1% · NH 16.8%130th of 239 in NH
- 53rdU.S. 9.7% · NH 9.6%121st of 239 in NH
- Veterans5.6%47thU.S. 6.2% · NH 7.6%198th of 239 in NH
- Average commute25.4 min46thU.S. 26.4 min · NH 26.7 min152nd of 234 in NH
- 43rdU.S. 10% · NH 9.3%162nd of 239 in NH
- Median age37.740thU.S. 38.9 · NH 43.3221st of 239 in NH
- 36thU.S. 14.1% · NH 6.1%31st of 239 in NH
- Uninsured rate5.2%35thU.S. 8.4% · NH 5.3%113th of 239 in NH
- 32ndU.S. 17.2% · NH 20.1%219th of 239 in NH
- 27thU.S. 61.4 · NH 2412th of 239 in NH
- Population density189/sq mi20thU.S. 95/sq mi · NH 156/sq mi80th of 239 in NH
- Poverty rate4.9%11thStrengthU.S. 12.5% · NH 7.2%156th of 239 in NH
- Housing vacancy2.8%9thU.S. 10.1% · NH 14.3%214th of 239 in NH
- 9thU.S. 14.5% · NH 13.1%212th of 239 in NH
- 6thStrengthU.S. 5.2% · NH 3.3%153rd of 239 in NH
- Population2,2033rdU.S. 334,922,499 · NH 1,394,868141st of 239 in NH
- 2ndStrengthU.S. 0.483 · NH 0.444215th of 239 in NH
- 1stStrengthU.S. 51.1% · NH 48.2%203rd of 230 in NH
| Measure | 03823 | Strafford | NH | U.S. | National percentile | Rank in NH |
|---|---|---|---|---|---|---|
| Broadband accessStrength | 97.4% | 93.5% | 92.9% | 91% | 39th of 239 | |
| Median household incomeStrength | $148,365 | $88,570 | $99,031 | $80,734 | 23rd of 234 | |
| Residents under 18 | 29% | 17.6% | 18.2% | 22% | 7th of 239 | |
| Homeownership rateStrength | 82.9% | 67.1% | 72.8% | 65.2% | 139th of 239 | |
| Median earnings per workerStrength | $65,163 | $51,705 | $56,079 | $49,666 | 55th of 239 | |
| Per capita incomeStrength | $57,423 | $46,304 | $52,798 | $44,673 | 77th of 239 | |
| Bachelor's degree or higherStrength | 52.6% | 39.3% | 40.6% | 35.7% | 46th of 239 | |
| Median home value | $476,900 | $362,800 | $402,500 | $332,700 | 51st of 235 | |
| Tech workers | 3.9% | 4.3% | 4.3% | 3.8% | 72nd of 239 | |
| Median gross rent | $1,574 | $1,488 | $1,491 | $1,413 | 64th of 197 | |
| Work from home | 14% | 16.2% | 16.8% | 15.1% | 130th of 239 | |
| Healthcare workers | 9.7% | 8.8% | 9.6% | 9.7% | 121st of 239 | |
| Veterans | 5.6% | 7.3% | 7.6% | 6.2% | 198th of 239 | |
| Average commute | 25.4 min | 26 min | 26.7 min | 26.4 min | 152nd of 234 | |
| Self-employed workers | 8.8% | 8.2% | 9.3% | 10% | 162nd of 239 | |
| Median age | 37.7 | 38.2 | 43.3 | 38.9 | 221st of 239 | |
| Foreign-born residents | 6.4% | 4.4% | 6.1% | 14.1% | 31st of 239 | |
| Uninsured rate | 5.2% | 5.2% | 5.3% | 8.4% | 113th of 239 | |
| Residents 65 and older | 14.3% | 17.1% | 20.1% | 17.2% | 219th of 239 | |
| Diversity index | 33 | 22.8 | 24 | 61.4 | 12th of 239 | |
| Population density | 189/sq mi | 361/sq mi | 156/sq mi | 95/sq mi | 80th of 239 | |
| Poverty rateStrength | 4.9% | 8.7% | 7.2% | 12.5% | 156th of 239 | |
| Housing vacancy | 2.8% | 8% | 14.3% | 10.1% | 214th of 239 | |
| Government workers | 8.3% | 16% | 13.1% | 14.5% | 212th of 239 | |
| Unemployment rateStrength | 2.1% | 3.5% | 3.3% | 5.2% | 153rd of 239 | |
| Population | 2,203 | 132,575 | 1,394,868 | 334,922,499 | 141st of 239 | |
| Income inequality (Gini)Strength | 0.347 | 0.427 | 0.444 | 0.483 | 215th of 239 | |
| Rent-burdened rentersStrength | 16.7% | 50.3% | 48.2% | 51.1% | 203rd of 230 |
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
- White81%
- Black2%
- Hispanic2%
- Asian2%
- Native American0%
- Pacific Islander0%
- Other4%
- Multiracial9%
Language spoken at home (households)
Households
- Households
- 735
- Average household size
- 3
- Family households
- 79.6%
- Married couples
- 63.4%
- Living alone
- 14.4%
- Veterans (of adults)
- 5.6%
- Male / female
- 47% / 53%
Income and poverty
Household income distribution
Median household income
Housing
Median home value
Median gross rent
Types of housing
- Housing units
- 756
- Owner-occupied
- 82.9%
- Vacant
- 2.8%
- Median year built
- 1984
- Median rooms
- 7
- Renters paying 30%+ of income
- 16.7%
- Renters paying 50%+ of income
- 7.1%
- Home value to income
- 3.2× (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 | 03823 | U.S. |
|---|---|---|
| Management, business, science and arts | $100,956 | $74,888 |
| Service | $10,179 | $26,804 |
| Sales and office | $64,167 | $40,476 |
| Construction and maintenance | $62,303 | $49,199 |
| Production and transportation | $50,469 | $39,989 |
Education, internet and health coverage
Highest education (adults 25+)
- High school graduate or higher
- 97.6%
- Bachelor's degree or higher
- 52.6%
- Graduate or professional degree
- 24%
- Households with broadband
- 97.4%
- Cable, fiber or DSL
- 89.5%
- No internet access
- 1.4%
- Without health insurance
- 5.2%
- Limited-English households
- 1.6%
Geography
- City (USPS)
- Madbury
- State
- New Hampshire
- County
- Strafford County
- Center point
- 43.1746° N, 70.9415° W
- Land area
- 12 sq mi
- Water area
- 0.5 sq mi
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- Residential delivery area
Zip codes near 03823
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 03820 | Dover, NH | 3 mi | $94,897 |
| 03821 | Dover, NH · PO box | 3.8 mi | — |
| 03822 | Dover, NH · PO box | 3.8 mi | — |
| 03824 | Durham, NH | 4.1 mi | $124,056 |
| 03861 | Lee, NH | 5.1 mi | $131,579 |
| 03825 | Barrington, NH | 5.7 mi | $110,323 |
| 03869 | Rollinsford, NH | 5.9 mi | $87,215 |
| 03878 | Somersworth, NH | 6.1 mi | $75,136 |
| 03839 | Rochester, NH | 6.9 mi | $88,346 |
| 03857 | Newmarket, NH | 7.2 mi | $100,845 |
| 03903 | Eliot, ME | 8.6 mi | $101,522 |
| 03866 | Rochester, NH · PO box | 9.1 mi | — |
Zip codes like 03823 elsewhere
Questions about 03823
What city is zip code 03823?
03823 is assigned to Madbury, New Hampshire. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 03823 in?
03823 is in Strafford County, New Hampshire.
What is the population of 03823?
About 2,203 people live in 03823, according to the Census Bureau's American Community Survey.
What time zone is 03823 in?
03823 is in Eastern Time.
What is the median household income in 03823?
The median household income in 03823 is $148,365.
What zip codes are near 03823?
The closest zip codes to 03823 are 03820, 03821, 03822, 03824, 03861.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 03823, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.