The album was met with commercial success and favorable reviews, citing the album's catchy song structures and well-crafted lyrics reflecting struggles of the middle class lifestyle in the American East Coast. Review aggregating website
Metacritic reports a weighted average score of 86 out of 100 based on 24 reviews, indicating "universal acclaim". Annie Zaleski of
Billboard praised the group's "clever lyrical portraits" and stated they expand on their "power pop palette as well, exploring more subdued territory." Paul Clarke of
BBC Music gave the album an 8/10 rating, writing, "this is a wonderfully droll pop album that has a number of mini-classics that could quite easily chart in these days when 1000 copies or so will get you into the hit parade. Fountains Of Wayne are back and their contemporaries has better take heed as should you, the record buying public." Sara Lovejoy of
Drowned in Sound also gave the album the same score, remarking, "There's nothing new, refreshing or ground breaking about 'Welcome Interstate Managers', and as the tempo drops slightly towards the end, it could have been rapped up on a neat high much earlier on than song 15, but who cares?." Chris Burland of
Chart Attack remarked that the album "is high-test grade Ethanol from start to finish; doing for an album other more successful band will struggle for years to match." Beth Johnson of
Entertainment Weekly described the album as "a triple punch of joyously clever power pop." Jay Milikan of
Stylus Magazine rated the album an A− writing, "In addition to the usual blissed-out power pop that we've come to expect from them, Adam Schlesinger and Chris Collingwood branch out to include low-key acoustic numbers, buzzing trad-rock, and even a dollop of country jangling to create what will surely be an enduring classic. The record is sprawling and beautiful, a genuine pop masterpiece through and through." Though the album was well received by most music critics, a review written by
Uncut wrote a negative response to the album, stating, "Disappointing return for literate New York quartet [...] The lyrics are sly dissections of US life, but the fizz seems to have flattened [...] here they're diminished by trying to touch too many bases, often lapsing into sub-
Oasis stodge." In 2003,
Drowned in Sound staff writer, Sean Adams listed the album as one of the Top 75 Albums of the Year. In later years, the album became widely regarded as the band's best effort and a prime example of early 2000s power pop. On the 20th anniversary of the album, Annie Zaleski of
Stereogum wrote, "Musically,
Welcome Interstate Managers is also far more earnest and genuine than 'Stacy's Mom' might lead you to believe [...] the album scans like a trip through rock history: the '70s AM Gold trip 'Fire Island'. the boogie-rock epic 'Bright Future In Sales'. the shiny '80s rock radio nod 'No Better Place', punkish power-pop of 'Little Red Light'. This music isn't cheesy, however, or something meant to be a spoof of these genres. The style of each song fit the themes." "Stacy's Mom" was ranked at No. 350 on
Blender's "500 Greatest Songs Since You Were Born" and No. 88 on
VH1's "100 Greatest Songs of the '00s". "Hackensack" was named one of the "250 Greatest Songs of the 21st Century So Far" by
Rolling Stone, listed at No. 123. ==Commercial performance==