Sullivan

Source:

New Hampshire

Sullivan is a smaller county in New Hampshire with 17 ZIP codes, 42,836 people, and top-decile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

National county placement

According to ACS 5-Year Estimates, Sullivan, NH sits among US counties with a top-decile household income, on a smaller county population base, across a multi-ZIP patchwork.

Top 10%
household income vs 3,210 US counties
42,836
combined ZIP population
17
USPS ZIP codes covered
$92,483
avg ZIP median income

Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.

Sullivan lands in the national county income distribution as top-decile household income on smaller county footing (FIPS 33019, 17 ZIPs, combined population 42,836). Sort the ZIP table by population before treating the county mean as uniform.

High-income counties with wide ZIP mosaics hide sharp internal gradients. The densest ZIP here is 03743 (Claremont) with 14,103 residents - open it beside a thin rural code from the table before treating the county mean as uniform. HUD Fair Market Rents and FBI county tables attach to FIPS 33019, so scorecards stay county-keyed while household income stays ZIP-keyed.

Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.

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17

Total ZIPs

42,836

Total Population

ZIP Codes in Sullivan

Side-by-side: Compare 03743 vs 03773 →

ZIP Code City Population Density
03743 Claremont 14,103 89
03773 Newport 7,841 33
03603 Charlestown 5,412 49
03753 Grantham 2,971 42
03782 Sunapee 2,945 54
03781 Plainfield 1,840 15
03745 Cornish 1,424 16
03605 Lempster 1,160 14
03280 Washington 1,123 10
03284 Springfield 999 10
03752 Goshen 810 14
03751 Georges Mills 583 74
03770 Meriden 524 41
03601 Acworth 477 10
03607 South Acworth 322 8
03746 Cornish Flat 216 12
03754 Guild 86 865

Frequently Asked Questions

What is the population of Sullivan?

Sullivan has a total population of 42,836 across 17 ZIP codes, based on U.S. Census Bureau ACS 2023 data.

What ZIP codes are in Sullivan?

Sullivan includes 17 ZIP codes: 03743, 03773, 03603, 03753, 03782, 03781, 03745, 03605, 03280, 03284, and more.

Sullivan's figures come from Census ACS 5-Year Estimates (2023), mapped to ZIP codes via the HUD USPS Crosswalk. PlainZIP is not affiliated with the U.S. Census Bureau or any government agency. See our methodology for details.

Related

Compare any two ZIPs side by side

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