PlainZIP

Lempster, NH · standard

ZIP Code 03605

Sullivan County, New Hampshire - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,160
14/sq mi
$86,250
Median income
$239,300
Median home value
30.3%
Bachelor's or higher

The verdict

Lempster pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.

Top 31%
household income, US ZIPs
Top 45%
home value, US ZIPs
14
people per sq mi
98%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 03605 against every reporting US ZIP.

ZIP code 03605 is a sparsely populated ZIP (a standard USPS delivery area) in Lempster, Sullivan County, New Hampshire, home to just 1,160 residents across 84.1 square miles, a density of 14 people per square mile, in the New York time zone.

ZIP 03605 lands in the middle-income range, with a median household income of $86,250 (16% below the New Hampshire average), while per-capita income is $40,657. Local economic indicators show a 7.4% poverty rate alongside 1.8% unemployment. Housing costs here run $239,300 for a typical home value (41% below the state average), with rent averaging - a month; 98.2% of homes are owner-occupied.

A solid share of residents have a four-year degree: 30.3% of adults hold a bachelor's degree or higher, the median age is 50.7, and the average commute is -. To put 03605 in local context, 8 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Sullivan County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 03605, Lempster, NH · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

1,160

Population

84.1

Area (sq mi)

14

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 03605?

50.7

Median Age

53.3%

Male

46.7%

Female

0.0%

Foreign-Born

White 90.0%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 9.9%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$86,250

Median Household Income

-16% vs state

$40,657

Per Capita Income

7.4%

Poverty Rate

1.8%

Unemployment Rate

How ZIP 03605 ranks nationally

Lempster, NH household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$86,250 Top 31% higher than 69% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 63.2%
Bachelor's Degree or Higher 30.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

602

Total Housing Units

327

Occupied Units

275

Vacant Units

2.77

Avg Household Size

Occupancy Type

Owner 98.2%
Renter 1.8%

$239,300

Median Home Value

-41% vs state

1977

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 12 business establishments in ZIP 03605, employing approximately 29 people with a combined annual payroll of $1,513,000.

12

Businesses

29

Employees

$1.5M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Construction 4 33.3%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 03605 vs 03607 →

ZIP 03605 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 03605 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 03605 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 03605 ranks #4 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
03607 South Acworth, NH 322 4.9 mi
03601 Acworth, NH 477 5.8 mi
03752 Goshen, NH 810 5.4 mi
03456 Marlow, NH 742 6.9 mi
03280 Washington, NH 1,123 5.6 mi
03464 Stoddard, NH 1,109 10.8 mi
03602 Alstead, NH 2,654 9.9 mi
03743 Claremont, NH 14,103 11.6 mi

More ZIP Codes in Sullivan County

03743 standard
Claremont, NH
Pop: 14,103
03773 standard
Newport, NH
Pop: 7,841
03603 standard
Charlestown, NH
Pop: 5,412
03753 standard
Grantham, NH
Pop: 2,971
03782 standard
Sunapee, NH
Pop: 2,945
03781 standard
Plainfield, NH
Pop: 1,840

Related Areas

Sullivan County Lempster, NH New Hampshire

Frequently Asked Questions

What county is ZIP code 03605 in? ▼
ZIP code 03605 (Lempster) is located in Sullivan County, New Hampshire. Sullivan County contains multiple ZIP codes, see the full list at /counties/sullivan-nh.
What is the population of ZIP code 03605? ▼
ZIP code 03605 in Lempster, NH has a population of 1,160 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 03605? ▼
The median household income in ZIP 03605 is $86,250, which is 13% above the national average of $76,288.
What is the average home value in ZIP 03605? ▼
The median home value in ZIP 03605 is $239,300, which is 14% below the national average of $278,155.
What is the demographic makeup of ZIP 03605? ▼
The largest racial group in ZIP 03605 is White at 90.0%.
How many businesses are in ZIP code 03605? ▼
ZIP code 03605 has 12 business establishments employing approximately 29 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 03605? ▼
In ZIP code 03605, 63.2% of residents aged 25+ have a high school diploma or higher, and 30.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 03605? ▼
In ZIP code 03605, approximately 98.2% of occupied housing units are owner-occupied and 1.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 03605? ▼
The poverty rate in ZIP code 03605 is 7.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.