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 Moderate-density area
- $86,250
- Median income Above-median income area
- $239,300
- Median home value Near-median home value
- 30.3%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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 average New Hampshire ZIP), while per-capita income is $40,657. Both reported hardship measures are comparatively low in absolute terms: poverty is 7.4% and unemployment is 1.8%. Home values sit below the statewide ZIP benchmark: the median is $239,300 (41% below the average New Hampshire ZIP); owner occupancy is 98.2%.
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 -. The page also surfaces 8 ZIP codes within roughly 10 miles and 6 more in Sullivan County, so 03605 can be compared with both its immediate and county-level context.
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
Who lives in ZIP 03605?
50.7
Median Age
53.3%
Male
46.7%
Female
0.0%
Foreign-Born
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 ZIP avg
$40,657
Per Capita Income
7.4%
Poverty Rate
1.8%
Unemployment Rate
How ZIP 03605 ranks among New Hampshire ZIPs
Lempster, NH household income vs. every New Hampshire ZIP code
Median household income among 236 reporting New Hampshire ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$86,250 33rd percentile higher than 33% of 236 New Hampshire ZIPs
Each bar is a $20K-wide band; taller bars hold more New Hampshire 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
602housing units
602
Total Housing Units
327
Occupied Units
275
Vacant Units
2.77
Avg Household Size
Occupancy Type
$239,300
Median Home Value
-41% vs state ZIP avg
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.
- 03743
Claremont (03743)
14,103 residents
- 03602 2,654
Alstead (03602)
2,654 residents
- 03605 1,160
Lempster (03605)
1,160 residents
- 03280 1,123
Washington (03280)
1,123 residents
- 03464 1,109
Stoddard (03464)
1,109 residents
- 03752 810
Goshen (03752)
810 residents
- 03456 742
Marlow (03456)
742 residents
- 03601 477
Acworth (03601)
477 residents
- 03607 322
South Acworth (03607)
322 residents
What this shows Among its immediate neighbors, ZIP 03605 ranks #3 by population - useful context the national average alone can't give.
ZIP 03605 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 03456
Marlow (03456)
$110,455 median income
- 03464
Stoddard (03464)
$93,625 median income
- 03280
Washington (03280)
$90,096 median income
- 03605
Lempster (03605)
$86,250 median income
- 03607
South Acworth (03607)
$84,306 median income
- 03601
Acworth (03601)
$81,250 median income
- 03602
Alstead (03602)
$70,455 median income
- 03752
Goshen (03752)
$70,417 median income
- 03743
Claremont (03743)
$59,625 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 03605, both outside NH so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,160 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Sullivan County
Related Areas
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.
Related
Take this with you
What to do with ZIP 03605's numbers, next.
- See how ZIP 03605 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Lempster, NH ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.